Pollak 54-520 20 Amp Type 1 Automatic Reset Circuit Breaker – Metal Housing with Straight Bracket

Ensure consistent power protection for your commercial vehicle with the Pollak 54-520 20 Amp Circuit Breaker. This Type 1 "Automatic Reset" breaker is a rugged, professional-grade alternative to standard fuses, engineered to automatically restore the circuit once an electrical overload or short is cleared. Featuring a pre-installed straight mounting bracket, the 54-520 allows for a clean, flush-mount installation against firewalls, chassis rails, or interior accessory panels.

Built with a heavy-duty metal housing, this breaker provides the industrial-level durability and thermal dissipation required for the demanding environments of trucking, construction, and agricultural machinery. With a 20 Amp rating, it is the perfect fit for protecting 12V DC auxiliary systems, such as wiper motors, power window circuits, heater fans, and supplemental lighting. As a Type 1 breaker, it eliminates the need for manual fuse replacement, keeping your equipment on the road and reducing maintenance downtime.

Key Features:

• Integrated Straight Bracket: Designed for flush-mounting, providing a secure and space-saving installation on any flat surface.

• Type 1 Auto-Reset Functionality: Automatically cycles and resets after an overload is resolved, ensuring continuous circuit uptime.

• 20 Amp Performance Rating: Optimized for mid-range 12V DC electrical loads and accessories.

• Rugged Metal Construction: Zinc-plated steel housing offers superior heat management and protection against mechanical impact.

• Standard Stud Terminals: Features (2) #10-32 threaded studs for a reliable, vibration-proof connection with ring terminals.

Technical Specifications:

• Part Number: 54-520 (Bulk: 54-520P)

• Amperage: 20 Amp

• Voltage: 12V DC

• Reset Type: Type 1 (Automatic)

• Mounting Style: Straight (Flush-Mount) Bracket

• Housing Material: Metal (Zinc-Plated Steel)