Description

Overview

20 amp automatic reset metal circuit breaker protects vehicle and trailer electrical circuits from overload and short circuit damage. The metal automatic reset style suits accessory and control circuits where resettable protection is needed without replacing a fuse after a temporary overload.

Features

• 20 Amp rating for vehicle and trailer circuit protection.
• Automatic reset operation restores the circuit after the breaker cools.
• Metal circuit breaker body for automotive electrical installations.
• Blister pack of 1 suits single circuit repair or replacement work.

Specifications and Materials

Narva metal automatic resetting circuit breaker in a blister pack of 1. Current rating: 20 Amp. Body size: 51 x 32mm. Part number: 54620BL.

See Narva circuit breaker technical information

Compatibility and Fitment

Match the 20 Amp rating to the circuit load, cable size and connected accessory before ordering. The main mistake is fitting a breaker that is too large for the wiring, which can leave the circuit under-protected, or choosing automatic reset where manual fault isolation would be safer.

Related Parts

Check the related service parts below against the wiring job before ordering.

Compliance and Safety

Mount the breaker securely, keep terminals protected from accidental contact, and route wiring away from heat, sharp edges and moving parts. If the breaker keeps cycling, inspect the circuit for overload, short circuit, damaged insulation or incorrect cable size before returning the trailer or vehicle to service.

Trailer Applications

Workshops use 20 Amp automatic reset metal circuit breakers for accessory feeds, lighting support circuits, control wiring, pump wiring, auxiliary trailer circuits and general vehicle electrical repairs where resettable protection is preferred.

Why Choose ICS Trailers

ICS Trailers supplies trailer electrical parts including circuit breakers, cable, terminals, lugs, heatshrink, junction boxes, plugs and sockets for transport repair work. For breaker matching, check the existing amp rating, circuit load, cable size and mounting space before ordering.

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