Relays-&-Power-Distribution > Blue-Sea-Systems-Automatic-Charging-Relays

Blue Sea Systems ML-Series Remote Control Contura Switch - Relays

Switch for ACR Relays

Blue Sea Systems ML-Series Remote Control Contura Switch: Durable and Reliable Control for ML-ACR Relays

The Blue Sea Systems ML-Series Remote Control Contura Switch is designed for seamless integration with the ML-ACR Automatic Charging Relays, including AGM/GEL and Lithium models. This SPDT (Single Pole Double Throw) ON-OFF-ON switch offers exceptional durability and performance in demanding environments. It is resistant to vibration, shock, thermoshock, moisture, and salt spray, ensuring reliable operation in harsh conditions.

With a maximum operating amperage of 20A at 12V DC and 15A at 24V DC, this Contura Switch is built for high-performance applications. The red actuator provides a clear visual indication of switch status, while the integrated LED illumination is rated for 100,000 hours of half-life, ensuring long-lasting visibility. The switch is sealed with internal and external gasket panel seals, making it IP67-rated when mounted properly, protecting against immersion in water up to 1 meter for 30 minutes.

The Contura Switch is designed for a mounting hole size of 1.45" x 0.83" (36.83 mm x 21.08 mm), making it easy to install on various panels. It also meets UL 1500 and ISO 8846 external ignition protection standards, ensuring safety in marine and automotive environments.


  • Used with ML-ACR Automatic Charging Relays.
  • Amperage Max. Operating: 20A @ 12V DC, 15A @ 24V DC
  • Actuator Type: ON-OFF-ON
  • Pole/Throw: SPDT
  • Actuator Color: Red
  • Temperature Range: -40°C (-40°F) to 85°C (185°F)
  • Illumination: LED rated 100,000 hours half-life
  • Seals: Internal and external gasket panel seal
  • Mounting Hole: Mounting Hole 1.45" x 0.83" (36.83 mm x 21.08 mm)
  • Meets UL 1500 and ISO 8846 external ignition protection requirements, Switch front is IP67 when mounted with gasket in place – protected against immersion up to 1 meter for 30 minutes

Item Description Price Qty in
Package 		In Stock Add to Cart
5457 Blue Sea Systems 2146-BSS, ML-Series Remote Control Contura Switch, SPDT, ON-OFF-ON, LED, 20/15 Amp 12/24V (1 MIN) 27.95 1 EA Call

Blue Sea Systems ML-Series Remote Control Contura Switch - Battery Switches and Solenoids

Switch for RBS and Solenoids

Blue Sea Systems ML-Series Remote Control Contura Switch for ML-RBS Remote Battery Switches and Solenoids

The Blue Sea Systems ML-Series Remote Control Contura Switch is engineered for use with the ML-RBS Series Remote Battery Switches and ML-Series Solenoids, offering reliable control in demanding environments. Available in two actuator types—(ON)-OFF-(ON) and ON-ON—this SPDT switch provides precise control for battery management. Designed to withstand vibration, shock, thermoshock, moisture, and salt spray, the Contura Switch ensures long-lasting durability in harsh conditions.

With a maximum operating amperage of 20A at 12V DC and 15A at 24V DC, the switch is built for high-performance applications. The red actuator is paired with LED illumination, rated for 100,000 hours half-life, providing clear visibility and status indication. The switch features internal and external gasket seals for an IP67 rating, protecting it from immersion in water up to 1 meter for 30 minutes when mounted properly.

The switch is designed for a standard 1.45" x 0.83" (36.83 mm x 21.08 mm) mounting hole, making installation easy across different applications. It also meets stringent safety requirements, including UL 1500 and ISO 8846 external ignition protection standards, ensuring safe operation in marine and automotive environments.


  • Used with the ML-RBS Series Remote Battery Switches and ML-Series Solenoids
  • Amperage Max. Operating: 20A @ 12V DC, 15A @ 24V DC
  • Actuator Types: (ON)-OFF-(ON) or ON-ON, Red
  • Pole/Throw: SPDT
  • Temperature Range: -40°C (-40°F) to 85°C (185°F)
  • Illumination: LED rated 100,000 hours half-life
  • Seals: Internal and external gasket panel seal
  • Mounting Hole: Mounting Hole 1.45" x 0.83" (36.83 mm x 21.08 mm)
  • Meets UL 1500 and ISO 8846 external ignition protection requirements, Switch front is IP67 when mounted with gasket in place – protected against immersion up to 1 meter for 30 minutes

Item Description Price Qty in
Package 		In Stock Add to Cart
5456 Blue Sea Systems 2145-BSS, ML-Series Remote Control Contura Switch, SPDT, (ON)-OFF-(ON), LED, 20/15 Amp 12/24V (1 MIN) 29.95 1 EA Call
5458 Blue Sea Systems 2155-BSS, ML-Series Remote Control Contura Switch, SPDT, ON-ON, LED, 20/15 Amp 12/24V (1 MIN) 29.95 1 EA ✓

Blue Sea Systems ML-Series Remote Control 360 Panel

REMOTE CONTROL 360 PANEL

REMOTE CONTROL 360 PANEL REMOTE CONTROL 360 PANEL

Blue Sea Systems ML-Series Remote Control 360 Panel: Precision Control for ML-Series Battery Switches and Relays

The Blue Sea Systems ML-Series Remote Control 360 Panel is designed for precise and efficient control of multiple ML-Series devices. The 901147 model operates with two ML-Series Remote Battery Switches (RBS) and one ML-Series Automatic Charging Relay (ACR), while the 901148 model is tailored for use with three ML-Series Remote Battery Switches. Both panels feature lockout slides that significantly reduce the risk of accidental switching, enhancing safety during operation.

These control panels are fully compatible with a variety of ML-Series items, including models 75984, 75985, 75986, 75987, 5450, 5453, 5463, 5464, 5465, 5468, 5473, and 5474. With intuitive labels included, the panels make battery and charging management straightforward, providing clear feedback and control over your system. They support both 12V and 24V DC applications, offering flexibility across different power setups.


  • For use with two ML-Series RBS and one ML-Series ACR or three ML-Series RBS
  • Item 901147 (1147 BSS) Recomended for ML-Series items: 75984,75985,75986,75987, 5450, 5453, 5463, 5464, 5465, 5468, 5473 and 5474
  • Item 901148 (1148 BSS) Recomended for ML-Series items: 5450, 5453, 5463, 5464, 5465, 5468, 5473 and 5474
  • Lockout slides reduce the risk of accidental switching
  • Includes labels illustrated only
  • Voltage: 12V/24V DC
  • Positions: 3
  • Dimensions: 2x4.88x4.75 inches
  • Weight: 0.83lbs
  • Download installation manual here.

Item Description Price Qty in
Package 		In Stock Add to Cart
901147 Blue Sea Systems 1147-BSS, ML-Series Remote Control 360 Panel, 2X ML-Series Switches, 1 ML-ACR, 12/24V (1 MIN) drawing 196.95 1 EA ✓
901148 Blue Sea Systems 1148-BSS, ML-Series Remote Control 360 Panel, 3X ML-Series Switches, 12/24V (1 MIN) drawing 194.95 1 EA ✓

Blue Sea Systems 9160, ML-Series Paralleling Bus Link for Relays

Blue Sea Systems 9160, ML-Series Paralleling Bus Link for Relays

Blue Sea Systems ML-Series Parallel Link Bus: High-Conductivity Connection for ML-Series Relays and Switches

The Blue Sea Systems ML-Series Parallel Link Bus is designed to provide a reliable, high-conductivity connection for ML-Series ACR AGM/GEL and Lithium Automatic Charging Relays, Remote Battery Switches, and Solenoids. Manufactured from tin-plated copper, this link bus ensures maximum conductivity while offering superior corrosion resistance, making it ideal for high-demand marine and automotive applications. With a robust 500 Amp continuous rating, it is engineered to handle substantial electrical loads, ensuring reliable performance across your power management system.


  • Used with ML-ACR Automatic Charging Relays, Remote Battery Switches and Solenoids
  • Manufactured of Tin-plated Copper.
  • 500 Amp continuous rating.
  • Download drawing here.
Item Description Price Qty in
Package 		In Stock Add to Cart
75988 Blue Sea Systems 9160-BSS, ML-Series Paralleling Bus Link for Relays (1 MIN) drawing 17.90 1 EA ✓

Blue Sea Systems 4000, ML-Series Stud Mount Insulating Boots

Blue Sea Systems 4000, ML-Series Stud Mount Insulating Boots

Blue Sea Systems ML-Series Stud Mount Insulating Boots: Quick and Easy Insulation for Conductive Posts and Studs

Blue Sea Systems ML-Series Stud Mount Insulating Boots are designed to provide quick and efficient insulation for a variety of conductive posts and studs, ensuring safety and reliability in your electrical systems. These boots are ideal for use with ML-Series Remote Battery Switches, Solenoids, Automatic Charging Relays, as well as battery terminals, power posts, bus bars, and battery switches. The press-fit design fits seamlessly with 5/16" (M8) and 3/8" (M10) posts and studs, offering a secure and easy-to-install solution. These insulating boots are intended for use with insulated ring terminals and lugs only, providing added protection and preventing accidental electrical contact.


  • Ideal for ML-Series Remote Battery Switches, Solenoids & Automatic Charging Relays, battery terminals, power posts, bus bars, battery switches, and much more.
  • Press-fit design works with all 5/16" (M8) and 3/8" (M10) posts and studs
  • Quickly and easily insulate conductive posts and studs
  • For use with insulated ring terminals and lugs only
  • Material Color: Red

Item Description Price Qty in
Package 		In Stock Add to Cart
904000 Blue Sea Systems 4000-BSS, ML-Series Stud Mount Insulating Boots, Red (1 MIN) 4.95 1 EA Call
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