Pollak 54-540 40 Amp Type 1 Automatic Reset Circuit Breaker – Metal Housing with Straight Bracket

Safeguard your commercial vehicle’s high-draw electrical circuits with the Pollak 54-540 40 Amp Circuit Breaker. This heavy-duty Type 1 "Automatic Reset" breaker is a professional-grade alternative to standard fuses, engineered to automatically restore power once an electrical overload or short is cleared. Featuring a pre-installed straight mounting bracket, the 54-540 allows for a clean, flush-mount installation against firewalls, chassis rails, or mounting panels.

Constructed with a rugged metal housing, this 40 Amp breaker offers superior heat dissipation and impact resistance—critical for high-current applications in trucking, construction, and agricultural equipment. It is the ideal choice for protecting high-amperage 12V DC auxiliary systems, including hydraulic lift gates, snow plow motors, and large cooling fans. As a Type 1 breaker, it ensures maximum vehicle uptime by eliminating the need for manual fuse replacement.

Key Features:

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

• Type 1 Auto-Reset Functionality: Automatically cycles and resets after an overload is resolved, keeping your equipment operational without manual intervention.

• 40 Amp High-Capacity Rating: Optimized for high-draw 12V DC electrical motors and primary accessory leads.

• Heavy-Duty Metal Construction: Zinc-plated steel housing offers industrial-grade durability and excellent thermal management.

• Secure Stud Terminals: Features (2) #10-32 threaded studs for a vibration-proof connection with heavy-gauge ring terminals.

Technical Specifications:

• Part Number: 54-540 (Bulk: 54-540P)

• Amperage: 40 Amp

• Voltage: 12V DC

• Reset Type: Type 1 (Automatic)

• Mounting Style: Straight (Flush-Mount) Bracket

• Housing Material: Metal (Zinc-Plated Steel)