Blue Sea Systems

OPEN BOX 9003e e-Series Battery Switch Single Circuit ON/OFF  Features: CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows...

OPEN BOX 5511eDual Circuit Plus Battery Switch CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Meets...

OPEN BOX 9001e e-Series Battery Switch Selector  Features: Make-before-break contact design allows switching between battery banks without power interruption CE Marked Ignition...

9001e e-Series Battery Switch Selector  Features: Make-before-break contact design allows switching between battery banks without power interruption CE Marked Ignition protected -...

1058 DIN AC DIN Ammeter - 0 to 50A with CoilFeatures:Standard European 72mm designWhite matte dial with black printed scale and knife-edge pointerBacklit meter face (separate 12 or 24V DC backlight...

DC Analog Micro VoltmeterSimple 2-wire connectionMeter Senses Powers from same connectionBacklit meter face WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate...

1800Features:Three intuitive display modes Flexible case design offers three mounting options Fully programmable legends and adjustable alarm functions can be customized to fit every boat Monitors DC...

M2 DC MultimeterAccurately measures and monitors the voltage of two batteries and the current of 1 circuit. Supports programmable shunt ratios.Features: Auto-dimming, bright OLED display is easy to...

5511eDual Circuit Plus Battery Switch CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Meets American Boat...

9003e e-Series Battery Switch Single Circuit ON/OFF  Features: CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface or rear...