Ignitions and Electrical Charging Systems

BLUE SEA

SWITCH BATTERY M ON/OFF LOCKING

$44.35

SKU: B03C 6004-BSS

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Blue Sea Systems M-Series 6004 is a single-circuit ON-OFF battery switch featuring a locking key. It has a continuous rating of 300A and a cranking rating of 900A for 30 seconds, with an intermittent rating of 500A for 5 minutes. The switch is designed for maximum conductivity and corrosion resistance with tin-plated copper studs that accept 3/8" (M10) ring terminals and have a 7/8" (22mm) stud length.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBLUE SEA
Part NumberB03C 6004-BSS

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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