Blue Seas

Blue Sea ML-RBS Remote Battery Switch w/ Manual Control 12V DC 500A

The ML-RBS Remote Battery Switch provides high amperage switching under load, manually or from remote locations. This 500 Amp magnetic latching switch features label recesses for circuit identification. A manual override knob provides an added level of safety, allowing control with or without power and offering LOCKED OFF capability for servicing.

Features an LED output to remotely indicate switch state - requires optional LED. 3/8"-16 tin-plated copper studs provide maximum connectivity and corrosion resistance. 7/8" stud length accepts multiple cable terminals. The silver alloy contacts provide high reliability for switching live loads.

Control Circuit Connection: Tinned Wire

Nominal Voltage: 12V DC

Manual Control: Yes

Coil Function: Bi-Stable

Mounting: #10

Terminal Stud Torque: 140 in-lb

Control Circuit Voltage: 10.1 to 16.5V DC

Continuous Rating: 500A

Intermittent Rating: 700A

Cranking Rating 30 sec: 1450A DC

Live Current Switching: 300A @ 12V DC

Terminal Ring Diameter Clearance: 1.18in

Terminal Stud Length: 0.875in

Terminal Stud Size: 3/8" - 16

Frequently Asked Questions

• What is the Blue Sea ML-RBS Remote Battery Switch with Manual Control 12V DC 500A used for? The Blue Sea ML-RBS Remote Battery Switch with Manual Control 12V DC 500A provides high-amperage battery switching under load from a manual control or remote location. Its manual override knob allows the switch to be controlled with or without power and provides a locked-off position for servicing.
• What are the current ratings of the Blue Sea ML-RBS Remote Battery Switch? The Blue Sea ML-RBS has a 500A continuous rating, a 700A intermittent rating, and a 1,450A DC cranking rating for 30 seconds. It is also rated for live current switching of 300A at 12V DC.
• What voltage does the Blue Sea ML-RBS Remote Battery Switch use? The Blue Sea ML-RBS Remote Battery Switch is designed for 12V DC systems. Its control circuit voltage range is 10.1 to 16.5V DC, and the control circuit connection uses tinned wire.
• How does the manual override work on the Blue Sea ML-RBS? The manual override knob provides direct control of the Blue Sea ML-RBS with or without power. It also provides a locked-off capability for servicing, adding a manual control option beyond remote operation.
• What are the terminal specifications for the Blue Sea ML-RBS Remote Battery Switch? The Blue Sea ML-RBS uses 3/8"-16 tin-plated copper terminal studs with a specified torque of 140 in-lb. The studs are 0.875 inches long and accept multiple cable terminals, with 1.18 inches of clearance for the terminal ring diameter.
• Does the Blue Sea ML-RBS provide a way to remotely indicate switch status? Yes. The Blue Sea ML-RBS has an LED output for remotely indicating the switch state. An optional LED is required for this status indication feature.

Blue Sea Systems Add-A-Battery Solenoid

The ADD-A-BATTERY is as simple to operate as an ON-OFF switch, yet effectively manages the switching and charging of two batteries from a single charge source

The Add-A-Battery includes a Dual Circuit Plus™ Battery Switch and an Automatic Charging Relay. These components simplify switching and automate charging, so that all you have to do is turn the battery switch ON when you arrive and OFF when you leave.

Dual Circuit Plus™ Battery Switch

Simplifies switching

Isolates engine and house circuits

Combines batteries for emergency starting

Tin-plated copper studs for maximum conductivity and corrosion resistance

ACR Automatic Charging Relay

Automatically combines batteries during charging

Isolates batteries during engine cranking and when not charging

Shares the charge between two batteries more efficiently than a battery isolator

Allows efficient dual battery charging without needing regulator adjustment or rewiring

Kit consists on the 7601 charging relay and the 5511e switch.

The ADD-A-BATTERY is as simple to operate as an ON-OFF switch, yet effectively manages the switching and charging of two batteries from a single charge source

The Add-A-Battery includes a Dual Circuit Plus™ Battery Switch and an Automatic Charging Relay. These components simplify switching and automate charging, so that all you have to do is turn the battery switch ON when you arrive and OFF when you leave.

Dual Circuit Plus™ Battery Switch

Simplifies switching

Isolates engine and house circuits

Combines batteries for emergency starting

Tin-plated copper studs for maximum conductivity and corrosion resistance

ACR Automatic Charging Relay

Automatically combines batteries during charging

Isolates batteries during engine cranking and when not charging

Shares the charge between two batteries more efficiently than a battery isolator

7601 Charging Relay:

• The Mini Automatic Charging Relay (M-ACR) is designed to manage the charging current from alternators up to 65 Amps found on most outboards and many inboard engines.
• Start Isolation (SI) protects sensitive electronics by temporarily isolating house loads from the engine circuit during engine cranking, protecting the house circuit from voltage sags and spikes.
• The compact design allows for three mounting styles: surface, rear, or panel mount. The M-ACR is also available as a module in a Custom 360 Panel.
• Features

Senses charging on two battery banks

Pull off and snap on insulating cover

LED indicates ACR status

1 ∕4" x .032" male quick connect terminal for ground

7∕ 16" (11 mm) stud length to accept multiple cable terminals

Waterproof – rated IP67 for temporary immersion

6011 Battery Switch:

• Simultaneously switches two isolated battery banks or combines battery banks to all loads

Make before break contact design allows switching between battery banks without power interruption

Frequently Asked Questions

• What is the Blue Sea Systems ADD-A-BATTERY kit used for? The Blue Sea Systems ADD-A-BATTERY kit manages the switching and charging of two batteries from a single charge source. It includes a Dual Circuit Plus Battery Switch and an Automatic Charging Relay to simplify battery switching and automate charging.
• How does the Dual Circuit Plus Battery Switch work in the ADD-A-BATTERY system? The Dual Circuit Plus Battery Switch isolates the engine and house circuits, combines batteries for emergency starting, and simplifies battery switching. Its make-before-break contact design allows switching between battery banks without power interruption.
• How does the Automatic Charging Relay manage two batteries? The Automatic Charging Relay automatically combines batteries during charging and isolates them during engine cranking and when they are not charging. It is designed to share charging between two batteries more efficiently than a battery isolator.
• What is the Blue Sea Systems 7601 Mini Automatic Charging Relay designed for? The 7601 Mini Automatic Charging Relay is designed to manage charging current from alternators up to 65 amps found on most outboards and many inboard engines. It senses charging on two battery banks and includes an LED to indicate ACR status.
• What is the Start Isolation feature on the Mini Automatic Charging Relay? Start Isolation temporarily isolates house loads from the engine circuit during engine cranking. According to the product description, this protects the house circuit from voltage sags and spikes during engine starting.
• What mounting and environmental features does the Mini Automatic Charging Relay have? The Mini Automatic Charging Relay supports surface, rear, or panel mounting. It has a pull-off and snap-on insulating cover, a 1/4-inch x .032-inch male quick-connect ground terminal, and an IP67 waterproof rating for temporary immersion.

Blue Sea Systems m-LVD Low Voltage Disconnect

The m-LVD senses low battery voltage and automatically disconnects non-essential devices to save power for starting or to preserve battery life. The m-LVD is ideal for any single battery boat or vehicle that wants to avoid getting stranded with a dead battery.

Remote Control Switch Functions:

Disconnect Voltage Adjustment - Sets desired disconnect voltage

Override - Temporarily delays circuit disconnect for 10 minutes

OFF - Temporarily disconnects circuits until voltage rises

Override or OFF - Silences alarm (optional alarm required)

Features:

Status light in both m-LVD and Remote Control Switch provides visual warning of low voltage state prior to disconnect

Alarm output available for audible warning of low voltage state prior to disconnect (optional alarm required)

Case design allows surface, front panel, or rear panel mounting

Rear insulating cover protects rear contacts

Waterproof – rated IP67 for temporary immersion

Specifications:

Nominal Voltage: 12V DC

Amperage Operating Current: 95mA (Connected)  |  4mA (Open)

Terminal Stud Torque: 60 in-lb

Continuous Rating: 65A

Intermittent Rating: 115A (5 min)

Maximum Cable Size: 1/0 AWG

Terminal Stud Length: 7/16"

Terminal Stud Size: 1/4" - 20

Weight: 0.77 lb.

Click to Download Blue Sea m-LVD Low Voltage Disconnect Instructions

Blue Sea ML-ACR Auto Charging Relay w/ Manual Control

The Blue Sea Auto Charging Relay is a 500 Amp magnetic latching (bi-stable) relay that automatically combines batteries during charging and isolates batteries when discharging and when starting engine. The manual control switch provides an added level of safety allowing control with or without power, and offering LOCK OFF capability for servicing. The ML-ACR relay draws very low current in the "ON" or "OFF" states, and draws moderate current for a very short time when changing state. Start Isolation (SI) can be configured for temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics. Engine Isolation (EI) can be configured for isolation of two engines while both are running to protect engine electronics and maximize alternator output. The Blue Seas Auto Charging Relay also features label recesses for circuit identification.

Features:

Includes manual control switch

Includes ML-Series remote control contura switch

Automatically manages the charging of two large battery banks

Allows paralleling of battery banks for emergency starting

Dual sensing - senses charge on both battery banks

LED output to remotely indicate when batteries are combined, isolated, in voltage lockout of in Start or Engine isolation

Tin-plated copper studs for maximum conductivity and corrosion resistance

7/8" Stud length accepts multiple cable terminals

Silver alloy contacts provide high reliability for switching live loads

Label recesses for circuit identification

Specifications:

Nominal Voltage: 12V DC

Mounting: #10

Amperage Operating Current: 13mA

Amperage Operating Current when Changing State: <7.0A

Terminal Stud Torque: 140 in-lb

Continuous Rating: 500A

Intermittent Rating: 700A (5 min)

Cable Size to Meet Ratings: 4/0 AWG x 2

Live Current Switching: 300A @ 12V DC

Terminal Ring Diameter Clearance: 1.12"

Terminal Stud Length: 1.50"

Terminal Stud Size: 3/8" - 16 (M10)

Wire Size: 20 AWG

Dimensions:

Click to Download Blue Sea 7622 Auto Charging Relay Instructions

Frequently Asked Questions

• What is the Blue Sea ML-ACR Auto Charging Relay w/ Manual Control used for? The Blue Sea ML-ACR Auto Charging Relay automatically combines two battery banks during charging and isolates them during discharge and engine starting. It also allows the battery banks to be paralleled for emergency starting and includes a manual control switch for additional control during servicing.
• How does the Blue Sea ML-ACR manage two battery banks? The ML-ACR uses dual sensing to detect charging voltage on both battery banks. It automatically combines the banks when charging and isolates them when discharging or when starting the engine, helping manage the charging of two large battery banks.
• What does the manual control switch do on the Blue Sea ML-ACR? The included manual control switch provides control of the relay with or without power and offers a LOCK OFF capability for servicing. The ML-Series remote control Contura switch is also included.
• What are the Start Isolation and Engine Isolation functions on the Blue Sea ML-ACR? Start Isolation can be configured to temporarily isolate house loads from the engine circuit during engine cranking. Engine Isolation can be configured to isolate two engines while both are running. These functions are designed to protect engine electronics and maximize alternator output as described by the manufacturer.
• What is the current rating of the Blue Sea ML-ACR Auto Charging Relay? The Blue Sea ML-ACR has a 500A continuous rating and a 700A intermittent rating for up to 5 minutes. It is rated for 300A of live current switching at 12V DC and uses 3/8"-16 (M10) terminal studs.
• What are the electrical specifications of the Blue Sea ML-ACR? The Blue Sea ML-ACR is designed for 12V DC systems and has an operating current of 13mA. It draws less than 7.0A while changing state. The specified cable s…

Blue Sea BatteryLink Automatic Charging Relay - 12V/24V DC 120A

Features:

120 Amp continuous rating

12/24V DC auto ranging voltage input

Senses charging on two battery banks

Side and bottom knockouts for cable connections

Clip-on cover insulates terminal connections

7∕8" (22 mm) stud length to accept multiple cable terminals

Integrated LED indicates ACR status

1∕4" × .032" male quick connect terminals for ground and optional features

Largest battery bank cannot exceed Group 27

Blue Sea Systems SI Series Automatic Charging Relay

Features:

Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking

Designed for 12 or 24 volt systems

12/24 volt auto ranging voltage input

Hermetically sealed contacts/vaporproof

Waterproof rated IP67 - temporary immersion for 30 minutes

Ignition protected - safe for installation aboard gasoline powered boats

Remote LED output indicates relay state away from ACR

Supports high-output alternators up to 120 Amperes

Dual sensing

Continuous Rating 120 Amps

Intermittent Rating 210 Amps

Inrush Rating 280 Amps

Closed Current Draw 175mA@12 Volts

115mA@24 Volts

Open Current Draw 15mA

Maximum Cable Size 1/0 AWG

Terminal Stud Size 3/8"-16 (accepts M10 ring terminal)

Maximum Torque 140 in-lbs

Relay Contact Position: Combine (30 sec.) 13.6 Volts@12 Volt and 27.2 Volts@24 Volt

Relay Contact Position: Combine (2 min.) 13.0 Volts@12 Volt and 26.0 Volts@ 24 Volt

Relay Contact Position: Open Low (10 sec.) 12.35 Volts@12 Volt and 24.7 Volts@ 24 Volt

Relay Contact Position: Open Low (30 sec.) 12.75 Volts@ 12 Volt and 25.5 Volts@ 24 Volt

Relay Contact Position - Open High 16.0 Volts@12 Volt and 30.0 Volts@24 Volt

Blue Sea M-Series Mini Automatic Charging Relay 65A

The Blue Sea Mini Automatic Charging Relay is designed to manage the charging current from alternators up to 65 Amps found on most outboards and many inboard engines. The m-series charging relay features a compact design that allows for three mounting styles: surface, rear, or panel mount. The Start Isolation option protects sensitive electronics by temporarily isolating house loads from the engine circuit during engine cranking, protecting the house circuit from voltage sags and spikes. This charging relay is ignition protected, making it safe for installation aboard gasoline powered boats.

Features:

Automatically combines batteries during charging, isolates batteries when discharging

Supports alternators up to 65 Amps

Senses charging on two battery banks

Pull off and snap on insulating cover

LED indicates ACR status

1/4" x 0.32" male quick connect terminal for ground

7/16" stud length to accept multiple cable terminals

Waterproof - rated IP67 for temporary immersion

CE marked for ignition protection

Meets ISO 8846 and SAE J1171 external ignition protection requirements

Specifications:

Nominal Voltage: 12V DC, 24V DC

Amperage Operating Current: 90mA (Combine), 15mA (Open)

Terminal Stud Torque: 60 in-lb

Continuous Rating: 65 A

Intermittent Rating: 115 A (5 mins)

Cable Size to Meet Ratings: 6 AWG

Terminal Stud Size: 1/4"-20 (M6)

Relay Contact Position:

Combine 30 Sec: 13.6V DC

Open 10 Sec: 12.35V DC

Open 30 Sec: 12.75V DC

Open High: 16.0V

Under Voltage Lockout: 9.5V

Click to Download Blue Sea Mini Automatic Relay Instructions

Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch

The m-Series Mini Dual Circuit Plus Battery Switch simultaneously switches two isolated battery banks or combines battery banks to all loads. The make before break contact design allows for switching between battery banks without power interruption.

The case design of this battery switch allows for surface moutning, front or rear panel mounting. Features a removable knob for security and service lockout.

Specifications:

Switch Type: Dual Circuit Plus

Color: Red

Switch Positions: 3

Maximum Voltage: 32V DC

Terminal Stud Torque: 120 in-lb.

Continuous Rating: 300A

Intermittent Rating: 450A (5 min)

Battery Inputs: 2

Cable Clearance for 4/0 AWG Cables: 1.12 in.

Cable Size to Meet Ratings: 4/0 AWG

Mounting Holes: Accepts #10 Screw

Terminal Stud Size: 3/8" - 16

Weight: 0.80 lb.

Meets all American Boat and Yacht Council (ABYC) requirements for battery switches.

Click to Download Blue Sea's Battery Management Wiring Schematics

Frequently Asked Questions

• What is the Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch used for? The Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch simultaneously switches two isolated battery banks or combines the battery banks to all loads. Its make-before-break contact design allows switching between battery banks without power interruption.
• How many battery banks can the Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch control? The Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch has two battery inputs and is designed to switch two isolated battery banks or combine them to all loads. It has three switch positions for battery management.
• What is the maximum voltage and amperage rating of the Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch? The switch is rated for a maximum of 32V DC, with a continuous rating of 300 amps and an intermittent rating of 450 amps for 5 minutes. Cable size to meet the listed ratings is 4/0 AWG.
• How can the Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch be mounted? The Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch can be surface mounted or mounted on the front or rear of a panel. Its mounting holes accept #10 screws.
• What cable and terminal specifications does the Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch use? The switch has 3/8"-16 terminal studs and provides 1.12 inches of cable clearance for 4/0 AWG cables. The terminal stud torque specification is 120 in-lb.
• Does the Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch meet marine requirements? Yes. The Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch meets all American Boat and Yacht Council (ABYC) requirements for battery switches.

Blue Sea m-Series Mini Dual Circuit Battery Switch

The m-Series Mini Dual Circuit Battery Switch simultaneously switches two isolated battery banks or switches positive and negative terminals of one battery bank.

The case design of this battery switch allows for surface mounting, front or rear panel mounting. Features a removable knob for security and service lockout.

Specifications:

Switch Type: Dual Circuit

Color: Red

Switch Positions: 2

Maximum Voltage: 32V DC

Terminal Stud Torque: 120 in-lb.

Continuous Rating: 300A

Intermittent Rating: 450A (5 min)

Battery Inputs: 2

Cable Clearance for 4/0 AWG Cables: 1.12 in.

Cable Size to Meet Ratings: 4/0 AWG

Mounting Holes: Accepts #10 Screw

Terminal Stud Size: 3/8" - 16

Weight: 0.80 lb.

Meets all American Boat and Yacht Council (ABYC) requirements for battery switches.

Click to Download Blue Sea's Battery Management Wiring Schematics

Frequently Asked Questions

• What is the Blue Sea m-Series Mini Dual Circuit Battery Switch used for? The Blue Sea m-Series Mini Dual Circuit Battery Switch simultaneously switches two isolated battery banks or switches the positive and negative terminals of one battery bank. It is designed for marine battery switching applications.
• How can the Blue Sea m-Series Mini Dual Circuit Battery Switch be mounted? The Blue Sea m-Series Mini Dual Circuit Battery Switch can be surface mounted, front-panel mounted, or rear-panel mounted. Its mounting holes accept #10 screws, providing multiple installation options.
• What are the amperage and voltage ratings of the Blue Sea m-Series Mini Dual Circuit Battery Switch? The switch has a 300A continuous rating and a 450A intermittent rating for 5 minutes. Its maximum voltage rating is 32V DC, and it has two battery inputs.
• What cable and terminal specifications does the Blue Sea m-Series Mini Dual Circuit Battery Switch have? The Blue Sea m-Series Mini Dual Circuit Battery Switch has 3/8"-16 terminal studs with a terminal stud torque specification of 120 in-lb. A 4/0 AWG cable is specified to meet its ratings, with 1.12 inches of clearance for 4/0 AWG cables.
• Does the Blue Sea m-Series Mini Dual Circuit Battery Switch meet marine requirements? Yes. The Blue Sea m-Series Mini Dual Circuit Battery Switch meets all American Boat and Yacht Council (ABYC) requirements for battery switches.
• What security feature does the Blue Sea m-Series Mini Dual Circuit Battery Switch have? The Blue Sea m-Series Mini Dual Circuit Battery Switch features a removable knob that provides a security and service lockout function. The switch has two positions and a red case.

Blue Sea "M" Series Battery Switch - 3-Position

This Blue Sea "M" Series Battery Switch - 3-Position is ignition protected making it safe for installation aboard gasoline powered boats. It switches a single battery to a single load group. The case design allows for surface or rear panel mounting. This 3-Position "M" series battery switch is an ideal choice among many.

Features:

Case Design Allows For Surface Or Rear Panel Mounting

Ignition Protected

Safe For Installation Aboard Gasoline Powered Boats

Switches A Single Battery To A Single Load Group

Specifications:

Maximum Voltage: 32V DC

Switch Positions: 3

Continuous Rating: 300A

Battery Combine: No

Switch Type: Selector 3 Position

Intermittent Rating: 500A (5 Min)

Color: Red

Alternator Field Disconnect: No

Cranking Rating 30 Seconds: 900A

Terminal Stud Torque: 120 in-lb (13.56 Nm)

Terminal Stud Size: 3/8" - 16 (M10)

Battery Inputs: 2

Cable Size To Meet Ratings: 4/0 AWG (120mm²), 4/0 AWG (130mm²)

Mounting Holes: Accept #10 Screw

Cable Clearance For 4/0 AWG Cables: 1.12 in (28.45 mm)

Click to Download Blue Sea's Battery Management Wiring Schematics

Blue Sea M Series (Mini) Battery Switch 1/2/ALL/OFF

Switches isolated battery banks to all loads or combines battery banks to all loads. Make before break contact design allows switching between battery banks without power interruption

Features:

300 Amps continuous rating for outboards and small gasoline or diesel engines

Tin-plated copper studs for maximum conductivity and corrosion resistance

Case design allows surface, front panel, or rear panel mounting

Isolating cover with snap-on sections protects rear contacts

Cranking Rating: 10 sec. 1,500 Amps

Intermittent Rating: 5 min. 500 Amps

Voltage Max. Opening 32V DC

Studs accepts 3/8" (M-10) ring terminals

Terminal Stud Torque 120 in-lb (13.56 Nm) max.

Mounting Holes Accept #10 Screw

7/8" (22mm) stud length accepts multiple cable terminals

One-piece terminal stud never loosens over time

Available in black or red

Frequently Asked Questions

• What is the Blue Sea M Series Mini Battery Switch 1/2/ALL/OFF used for? The Blue Sea M Series Mini Battery Switch 1/2/ALL/OFF switches isolated battery banks to all loads or combines battery banks to all loads. Its make-before-break contact design allows switching between battery banks without power interruption.
• What are the amperage and voltage ratings of the Blue Sea M Series Mini Battery Switch? The Blue Sea M Series Mini Battery Switch has a 300-amp continuous rating, a 500-amp intermittent rating for 5 minutes, and a 1,500-amp cranking rating for 10 seconds. Its maximum opening voltage is 32V DC.
• What types of terminals does the Blue Sea M Series Mini Battery Switch accept? The Blue Sea M Series Mini Battery Switch has tin-plated copper studs that accept 3/8-inch (M10) ring terminals. The 7/8-inch (22mm) stud length accommodates multiple cable terminals, and the terminal stud torque specification is 120 in-lb (13.56 Nm) maximum.
• How can the Blue Sea M Series Mini Battery Switch be mounted? The Blue Sea M Series Mini Battery Switch can be surface mounted, front-panel mounted, or rear-panel mounted. The mounting holes accept #10 screws, providing multiple installation options.
• How does the make-before-break design work on the Blue Sea M Series Mini Battery Switch? The make-before-break contact design allows the switch to change between battery banks without power interruption. The switch can also combine battery banks to all loads.
• What features protect the connections on the Blue Sea M Series Mini Battery Switch? The Blue Sea M Series Mini Battery Switch includes an isolating cover with snap-on sections to protect the rear contacts. Its one-piece terminal stud is designed not to loosen over time, while tin-plated copper studs provide conductivity and corrosion resistance.

Blue Sea Systems M Series (Mini) Battery Switch Blue Sea Systems Battery Switch switches a single battery to a single load group. Blue Sea's versatile case design allows for multiple mounting options: rear, front, or surface. This battery switch has a 300 Amps continuous rating for outboards and small gasoline or diesel engines. Features: Single Circuit ON-OFF Ignition protected - safe for installation aboard gasoline powered boats Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts Tin-plated copper studs for maximum conductivity and corrosion resistance One-piece stainless flange nuts ensure safe and secure connections Regulatory Specifications: Meets American Boat and Yacht Council (ABYC) requirements Meets UL 1500 and SAE J1171 external ignition protection requirements CE Marked UL Listed - UL 1107 electric power switches Specifications: Switch Positions: 2 Maximum Voltage: 48V DC Terminal Stud Torque: 120 in-lb Continuous Rating: 300 Amp Intermittent Rating: 500 Amp (5 min) Cranking Rating (30 Sec): 900 Amp Cable Clearance for 4/0 AWG Cables: 1.12" Cable Size to Meet Ratings: 4/0 AWG Mounting Holes: Accepts #10 Screw Terminal Stud Size: 3/8" - 16 (M10) Weight: 0.65 lbs. Click to Download Blue Sea Systems M Series (Mini) Battery Switch Instructions  Click to Download Blue Sea's Battery Management Wiring SchematicsBlue Sea Systems M Series Battery Switch FAQs

• What does the Blue Sea Systems M Series Battery Switch do? The Blue Sea Systems M Series Battery Switch switches a single battery to a single load group using a single circuit ON-OFF design.
• Can this battery switch be used on gasoline powered boats? Yes, this battery switch is ignition protected and safe for installation aboard gasoline powered boats.
• What mounting options does this Blue Sea battery switch allow? This battery switch can be surface mounted, front panel mounted, or rear panel mounted.
• What is the continuous amperage rating of this battery switch? The Blue Sea Systems M Series Battery Switch has a 300 amp continuous rating.
• What is the maximum voltage rating of this switch? This battery switch has a maximum voltage rating of 48V DC.
• What cable size is needed to meet the switch ratings? A 4/0 AWG cable size is listed to meet the switch ratings.
• What standards does the Blue Sea Systems M Series Battery Switch meet? This battery switch meets ABYC requirements, UL 1500 and SAE J1171 external ignition protection requirements, is CE marked, and is UL listed under UL 1107 electric power switches. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What does the Blue Sea Systems M Series Battery Switch do?", "acceptedAnswer": { "@type": "Answer", "text": "The Blue Sea Systems M Series Battery Switch switches a single battery to a single load group using a single circuit ON-OFF design." } }, { "@type": "Question", "name": "Can this battery switch be used on gasoline powered boats?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, this battery switch is ignition protected and safe for installation aboard gasoline powered boats." } }, { "@type": "Question", "name": "What mounting options does this Blue Sea battery switch allow?", "acceptedAnswer": { "@type": "Answer", "text": "This battery switch can be surface mounted, front panel mounted, or rear panel mounted." } }, { "@type": "Question", "name": "What is the continuous amperage rating of this battery switch?", "acceptedAnswer": { "@type": "Answer", "text": "The Blue Sea Systems M Series Battery Switch has a 300 amp continuous rating." } }, { "@type": "Question", "name": "What is the maximum voltage rating of this switch?", "acceptedAnswer": { …

Blue Sea M-Series Mini Single Circuit Switch w/ Key

The Blue Sea Mini Single Circuit Battery Switch switches a single battery to a single load group. This battery switch features a case design that allows surface, front panel, or rear panel mounting. The one-piece terminal stud design never loosens over time; studs are tin-plated copper for maximum conductivity and corrosion resistance. The isolating cover with three snap-off side pieces protects rear contacts and allows wire access in any direction. This Battery switch meets all ABYC requirements for battery switches and is UL 1107 listed for electric power switches. Meets UL 1500 and SAE J1171 external ignition protection requirements

Features:

Switches single battery to single load group

Tin-plated copper studs

Studs accept 3/8" ring terminals

One-piece terminal stud design

Meets ABYC E-11 requirements

Meets SAE J1171 and UL 1500 requirements

Specifications:

Switch Type: Single Circuit ON-OFF

Switch Positions: 2

Maximum Voltage: 48V DC

Stud Size: 3/8"

Terminal Stud Torque: 120 in-lb

Continuous Rating: 300A

Intermittent Rating: 500A

Battery Inputs: 1

Cable Size to Meet Ratings: 4/0 AWG

Mounting Holes: Accepts #10 Screw

Weight: 0.62 lb.

Click to Download Blue Sea Mini Single Circuit Switch Instructions

Frequently Asked Questions

• What is the Blue Sea M-Series Mini Single Circuit Switch with Key used for? The Blue Sea M-Series Mini Single Circuit Switch with Key switches a single battery to a single load group. It is a single-circuit ON-OFF battery switch with two switch positions and one battery input.
• What is the maximum voltage and amperage rating of the Blue Sea M-Series Mini Single Circuit Switch? The Blue Sea M-Series Mini Single Circuit Switch is rated for a maximum of 48V DC. It has a continuous rating of 300 amps and an intermittent rating of 500 amps.
• How can the Blue Sea M-Series Mini Single Circuit Switch be mounted? The Blue Sea M-Series Mini Single Circuit Switch can be surface mounted or mounted on the front or rear of a panel. Its mounting holes accept #10 screws.
• What type of terminals does the Blue Sea M-Series Mini Single Circuit Switch use? The Blue Sea M-Series Mini Single Circuit Switch features tin-plated copper terminal studs that accept 3/8-inch ring terminals. The terminal stud torque specification is 120 in-lb, and 4/0 AWG cable is specified to meet the listed ratings.
• How does the isolating cover on the Blue Sea M-Series Mini Single Circuit Switch work? The isolating cover protects the rear contacts and has three snap-off side pieces. These removable pieces allow wire access in different directions while the cover remains part of the switch design.
• Does the Blue Sea M-Series Mini Single Circuit Switch meet marine and ignition protection requirements? Yes. The Blue Sea M-Series Mini Single Circuit Switch meets ABYC E-11 requirements and SAE J1171 and UL 1500 external ignition protection requirements. It is also UL 1107 listed for electric power switches.

Blue Sea "M" Battery Single Circuit ON/OFF Switch w/ Locking Key

This Blue Sea "M" Battery Single Circuit ON/OFF Switch w/ Locking Key features a one-piece terminal stud design that never loosens over time. It offers breakout tabs that allow wire access in any direction and has an isolating cover that protects rear contacts. With one-piece stainless flange nuts, this switch ensures safe and secure connections. The tin-plated copper studs allow for maximum conductivity and corrosion resistance.

Features:

Isolating Cover Protects Rear Contacts

One-Piece Terminal Stud Design Never Loosens Over Time

Tin-Plated Copper Studs For Maximum Conductivity and Corrosion Resistance

Breakout Tabs Allow Wire Access In Any Direction

7/8" (22 mm) Stud Length Accepts Multiple Cable Terminals

Studs Accept 3/8" (M10) Ring Terminals

One-Piece Stainless Flange Nuts Ensure Safe and Secure Connections

300 Amps Continuous Rating For Outboards and Small Gasoline Or Diesel Engines

Specifications:

Continuous Rating: 300A

Weight: 0.65 lb (0.29 kg)

Color: Red

Intermittent Rating: 500A

Cranking Rating 30 Seconds: 900A

Maximum Voltage: 48V DC

Blue Sea Systems e-Series Dual Circuit Plus Battery Switch

The Blue Sea e-Series Dual Circuit Battery Switch simultaneously switches two isolated battery banks or combines battery banks to all loads. The make-before-break contact design allows for switching without any power interruption. This battery switch is ignition protected, so it is safe for installation aboard gasoline powered boats.

The case of this unit allows for surface mounting or rear panel mounting.

Specifications:

Switch Type: Dual Circuit Plus

Color: Red

Switch Positions: 3

Maximum Voltage: 32V DC

Terminal Stud Torque: 140 in-lb.

Continuous Rating: 350A

Intermittent Rating: 525A (5 min)

Battery Inputs: 2

Cable Clearance for 4/0 AWG Cables: 1.10 in.

Cable Size to Meet Ratings: 4/0 AWG

Mounting Holes: Accepts 1/4" Screw

Terminal Stud Size: 3/8" - 16

Weight: 1.3 lb.

Meets all American Boat and Yacht Council (ABYC) requirements for battery switches.

Click to Download Blue Sea's Battery Management Wiring Schematics

Blue Sea Systems ANL Fuse Block w/ Insulating Cover - 350-750A

Cover included

Accepts 5/16" (M8) ring terminals

For use on systems up to 32 Volts DC

Swing out design allows replacement of the fuse without removing fasteners

Stainless steel studs provide resistance to corrosion and high torquing for excellent electrical contact

UL 94-V0 base resists high heat

Insert molded studs ensure secure fuse mounting

Insulating cover satisfies ABYC/USCG requirements

Cover breakouts allow wire access in any direction

Fuse sold separately

Specifications:

Maximum Voltage: 32V DC

Base Material: Reinforced Polycarbonate

Fuse Mounting Blocks: Tin-Plated Copper

Maximum Cable Size: 4/0 AWG

Maximum Torque: 107 in-lb (12.09 Nm)

Terminal Stud Size: 5/16-18 (M8)

Weight: 1.06lb (0.48 kg)