Exterior Components Body Panels and Components

BLUE SEA

SWITCH BATTERY E DUALCIRCPLUS

$69.94

SKU: B03C 5511E-BSS

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

Beginner — under 30 min

Description

The Blue Sea Systems 5511e is a dual circuit plus battery switch designed for simultaneous switching of two isolated battery banks or for emergency starting. It features a make-before-break contact design for uninterrupted power transfer.

This ignition-protected switch is safe for installation on gasoline-powered boats and meets American Boat and Yacht Council (ABYC) requirements. It includes 3/8"-16 tin-plated copper studs for conductivity and corrosion resistance, accommodating 3/8" and M10 ring terminals. The stud length is 7/8" to allow for multiple cable terminals.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandBLUE SEA
Part NumberB03C 5511E-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.

View Full Return Policy