Blue Sea Systems

Blue Sea Systems 6004200 Blue Sea 6004200 Single Circuit On-off W/locking Key - Black

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SKU:
18007490
MPN:
6004200
Availability:
Usually ships the same or next business day. In stock at our CA, TX warehouses.
Shipping:
Calculated at Checkout
Stock Update:
12/05/2025 05:25:56 PM PST
$36.53

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 and pay only $32.63 each 32.63
Buy 3 and pay only $30.35 each 30.35
Buy 4 or above and pay only $29.57 each 29.57
Stock Update:
12/05/2025 05:25:56 PM PST

Description

This item is brand-new, factory sealed.

Blue Sea Systems Single Circuit ON-OFF with Locking Key - Black

Model: 6004200-BSS
  • Tin-plated copper studs for maximum conductivity and corrosion resistance
  • Studs accept 3/8" (M10) ring terminals
  • 7/8" (22mm) stud length accepts multiple cable terminals
  • Blue Sea Systems one-piece terminal stud design never loosens over time
  • Isolating cover with three snap-in side pieces protects rear contacts and allows wire access in any direction
  • Case design allows surface, rear, or front panel mounting options
  • Waterproof — rated IP66 from water projected in powerful jets
  • One-piece stainless flange nuts ensure safe and secure connections
  • Breakout tabs allow wire access in any direction

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

Specifications
Switch TypeSingle Circuit ON-OFF
ColorBlack
Maximum Voltage48V DC
Stud Size3/8"
Continuous Rating300A
Intermittent Rating500A
Cranking Rating 30 sec900A
Stud MaterialTinned Copper
Stud Torque120 in-lb (13.56 Nm)
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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Blue Sea Systems 6004200 Blue Sea 6004200 Single Circuit On-off W/locking Key - Black
$36.53