Blue Sea

Blue Sea M-Series Link Bus Bar Switch Use as a paralleling devise for the ML Series Battery Switches.  Tin-plated copper for maximum conductivity and corrosion resistance 250 Ampere continuous rating Sold in packages of 2 Weight 0.30lb (0.14...

Blue Sea m-Series Selector 3 Position Battery Switch 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. Ignition...

Blue Sea m-Series Single Circuit ON-OFF with Locking Key 300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper studs for maximum conductivity and corrosion resistance Studs accept 3/8" (M10) ring terminals 7/8"...

Blue Sea M2 OLED DC Voltmeter Monitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to four battery banks. Auto-dimming, bright OLED display is easy to read Easy to adjust 80dB alarm on all models Isolated...

Blue Sea M2 OLED Digital AC Bilge Monitor BS-1842B M2 OLED Digital AC Bilge Monitor - Monitors up to 4 bilges The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2...

Blue Sea M2 OLED Digital AC Multimeter BS-1838B M2 OLED Digital AC Multimeter - Monitors voltage, current, frequency, and power on two circuits or both legs of 120/240V The M2 Organic LED Digital Monitor measures essential electrical system parameters...

Blue Sea M2 OLED Digital DC Multimeter with State of Charge Monitor Monitors state-of-charge on one battery bank & voltage on three battery banks The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable...

Blue Sea M2 OLED Digital Vessel System Monitor BS-1850B M2 OLED Digital Vessel System Monitor - Performs comprehensive monitoring of four systems The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms...

Blue Sea M2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to...

Blue Sea M2 OLED Temperature Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to...

Blue Sea MAXI Fuse Block BS-5006100B Ignition protected fuse block allows for installation in a gasoline engine compartment Snap-on terminal cover insulates all conductive parts, satisfying ABYC/USCG requirements Cover breakouts allow wires from sides or...

Blue Sea MAXI Fuses MAXI Fuses Provides economical branch circuit protection Color-coded for easy identification Silver-plated connector blades for corrosion resistance Visible indication of blown condition Economical Amperage 30A, 40A, 50A, 60A,...

Blue Sea MAXI In-Line Fuse Holder In-line fuse holder for MAXI Fuses Supplied with 5 inch #6 lead wires and two adhesive lined sealing shrink wrap tubes for sealed terminations Firewall mounting hole permits two or more holders to be mounted together...

Blue Sea MaxiBus Common Bus Bar - 250A, 12 Terminals Busbars are used to consolidate multiple wires or feed multiple circuits Insert molded stainless steel studs eliminate need for securing nut and allow high torquing for excellent electrical contact...

Blue Sea MaxiBus Common Bus Bar - 250A, 2/6 Terminals Busbars are used to consolidate multiple wires or feed multiple circuits Insert molded stainless steel studs eliminate need for securing nut and allow high torquing for excellent electrical contact...

Blue Sea MDL Slow Blow Glass Fuses BS-5226B MDL Slow Blow Glass Fuses Visible indication of blown condition Voltage Max. Operating: 32V DC Part Number Amps ENE-BS-5226B 3.0A ENE-BS-5227B 5.0A ENE-BS-5228B 6.25A ENE-BS-5229B 7.5A ENE-BS-5230B...

Blue Sea Medium Duty Circuit Breaker Provides circuit protection for 15 to 60 Amp loads when switching is provided elsewhere or not required. Weatherproof Can be used as Main, Branch or 24-hour circuit protection Compact design enables high density...

Blue Sea MEGA or AMG Fuse Block with Cover Provides an economical system for 100 to 300 Amp fusing Insulating cover with breakouts satisfies ABYC/USCG insulation requirements Insulating cover breakouts allow wire access in three directions Stainless...

Blue Sea Micro Ammeter with Internal Shunt - DC 0-15A BS-8038B Micro Ammeter with Internal Shunt - DC 0-15A Simple 4-wire connection Internal Shunt Backlit meter face (separate 12 or 24V DC backlight connections) Part Number Face Size Function Meter...

Blue Sea Micro Ammeter with Shunt - DC 50-0-50A BS-8254B Micro Ammeter with Shunt - DC 50-0-50A Meters read both discharge and charge current Simple 4-wire connection from shunt Meter senses and powers from shunt connection Includes appropriate DC shunt...

Blue Sea Mini Clamp Multi-Meter Clamp allows measurement of AC and DC current in wires without disturbing the circuits or contacting live terminals Auto range simplifies operation: 0.01-400 Amps, 0.001-600 Volts Auto power-off selection - power turns...

Blue Sea Mini OLED Ammeter Monitors essential electrical system parameters, temperature, and tank levels, on a bright, waterproof, daylight readable OLED screen Compact size enables mounting in any convenient location Reverse polarity protected Mounts...

Blue Sea Mini OLED DC Voltmeter Monitors essential electrical system parameters, temperature, and tank levels, on a bright, waterproof, daylight readable OLED screen Compact size enables mounting in any convenient location Reverse polarity protected...

Blue Sea Mini OLED Temp Meter BS-1741B Mini OLED Temp Meter Monitors essential electrical system parameters, temperature, and tank levels, on a bright, waterproof, daylight readable OLED screen Compact size enables mounting in any convenient location...

Blue Sea ML Series Automatic Charging Relay - 500A, 24V 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine Includes ML-Series Remote Control...

Blue Sea ML Series Automatic Charging Relay with Manual Control 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine Manual control switch provides...

Blue Sea ML Series Remote Battery Switch Auto Release - 500A NOTE - Switch sold seperately - PN BS-2155B Description Auto Releasing ML-Series Remote Battery Switch with SPST Switching Provides 500A switching and features of current ML Remote Battery...

Blue Sea ML Series Remote Battery Switch with Manual Control - 500A  500 Amp magnetic latching switch provides high amperage switching under load, manually or from remote locations Manual override knob provides an added level of safety allowing...

Blue Sea ML Series Solenoid - 12V DC Includes ML-Series Remote Control Contura Switch 2145 500 Ampere continuous rating for engine, inverter, house loads, and emergency battery combined Magnetic latching draws no current in "ON" or "OFF" state, only...

Blue Sea ML-Series Automatic Charging Relay - 12V DC NOTE - Switch sold seperately - PN BS-2146B Description 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when...

Blue Sea ML-Series Solenoid Switch - 500A 500 Amp magnetic latching (bi-stable) solenoid provides switching under load where manual control is not required Includes ML-Series Remote Control Contura Switch 2145 500 Ampere continuous rating for engine,...

Blue Sea Mounting Panel Single Meter Panel mounts standard 2-3/4" Analog or Digital Meters Includes mounting screws and center adjustment hole plug Height 4.75in (120.65 mm) Width 4.88in (123.95 mm) Weight 0.56lb (0.25 kg)

Blue Sea MRBF Surface Mount Common Source 3 Fuse Block Surface mount fuse blocks accommodate three MRBF fuses for consolidated high amperage circuit protection The common source fuse block provides 3 loads from a single source Clip-on cover insulates...

Blue Sea MRBF Surface Mount Independent Source 3 Fuse Block Accommodates three MRBF fuses for consolidated high amperage circuit protection Ideal for 3 output battery chargers Clip-on insulating cover satisfies ABYC/USCG insulation requirements...

Blue Sea MRBF Terminal Fuse Requires the use of Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal Interrupt rating satisfies ABYC requirements for DC Main circuit protection on large battery...

Blue Sea MRBF Terminal Fuse Block - Single Fuse Satisfies ABYC 7" circuit protection rule by mounting on a 3/8" battery post, battery switch, or bus bar Appropriate for DC Main, inverter, windlass, and bow thruster circuit protection Weatherproof-...

Blue Sea Panel 360 Back Light for PBR & RS Enables backlighting for the Push Button Reset-Only Circuit Breaker and Rocker Switch 360 Panels Weight 0.08lb (0.04 kg)

Blue Sea 360 Panel 12V to 24V DC Conversion Kit Convert a 12 Volt DC 360 Panel with rocker or toggle circuit breakers to a 24 Volt panel Requires one kit per 12 Volt DC circuit breaker module Includes wire harness and panel identification label ...

Blue Sea Panel 360 Blank for M Series Switch Suitable for mounting M-Series Battery Switches Height 4.75in (120.65 mm) Width 4.88in (123.95 mm) Weight 0.61lb (0.28 kg)

Blue Sea Panel Adapter for Push Button Reset Only Adapters allow mounting alternative switches and circuit breakers in the flat rocker aperture. Plugs fill empty flat rocker apertures Adapts Push Button Reset-Only Thermal Circuit Breaker to Blue Sea...