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Black rectangular circuit breaker with two stud terminals, manual reset button and thermoplastic housing

Battery Doctor

Battery Doctor 31209 180A 12VDC Circuit Breaker Body Repair Tool

SKU CH-6EKD-WSVKJ

An 180 A manual-reset circuit breaker for 12 V DC systems with stud terminals and a thermoplastic body measuring 1.5 by 1.62 by 3.0 inches

  • Manual reset protects 12 V circuits from 180 A overloads
  • 42 V DC rating covers higher-voltage automotive systems
  • Thermoplastic housing resists heat and corrosion in engine bays
  • Surface-mount design with stud terminals simplifies installation
  • Functionally equivalent to Bussmann Type III for direct replacement

180 A Manual-Reset Circuit Breaker

This Battery Doctor 31209 breaker protects 12 V DC automotive circuits up to 180 amps. It mounts on a flat surface and uses stud terminals for secure wiring. The thermoplastic body measures 1.5 in high, 1.62 in wide and 3.0 in deep. A manual reset button restores power after an overload.

Suits 12 V vehicle wiring.

Installers protecting 12 V accessory feeds, winch circuits or auxiliary batteries will find the 180 A interrupt rating and manual reset appropriate. The breaker is functionally equal to Bussmann Type III. Buyers working with 42 V DC architectures or needing automatic reset behaviour should choose a different device.

Manual reset type decides service routine

The single specification that determines fit is the manual reset mechanism. Technicians who prefer a breaker that stays open until deliberately pressed will select this unit; those who want power to restore automatically after cooling must specify an auto-reset model instead.

Highlights

  • Manual reset protects 12 V circuits from 180 A overloads
  • 42 V DC rating covers higher-voltage automotive systems
  • Thermoplastic housing resists heat and corrosion in engine bays
  • Surface-mount design with stud terminals simplifies installation
  • Functionally equivalent to Bussmann Type III for direct replacement

Specifications

BrandBATTERY DOCTOR

Questions about this item

Does the 180 A manual-reset breaker require a separate mounting bracket or can it fasten directly to a surface?

The breaker is designed for surface mounting and uses a stud terminal connection, so it bolts directly to a flat panel without an extra bracket.

Will the 1.5 in height and 1.62 in width fit in the same cut-out as my old Bussmann Type III unit?

Yes, the supplier notes it is functionally equal to Bussmann Type III, and the 1.5 in height by 1.62 in width matches that footprint.

After wiring the stud terminals, how can I confirm the breaker is protecting the 12 V circuit correctly?

Apply load up to 180 A at 12 V DC; the breaker should carry the current without tripping and only open manually via the reset lever.

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