Exterior Components› Body Panels and Components

SIERRAMARINE

SWITCH, BATTERY DISCONNECT (1-2-BOT

$53.97

SKU: S08C BS11030

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Sierra Marine BS11030 is a 4-function battery switch with Alternator Field Disconnect (AFD). It supports two battery inputs and offers a 1-2-BOTH-OFF function. The switch features a removable ergonomic knob for safety and isolation, and its enclosure is made of durable glass fiber reinforced nylon.

Designed for surface or panel mounting, this battery switch meets Ignition Protection Standard ISO8846/SAE J1171 and is CE certified with an IP66 rating. It has a maximum voltage rating of 48VDC, an M8 stud size, and tin-plated copper battery studs.

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

BrandSIERRAMARINE
Part NumberS08C BS11030

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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