Pollak 54-140 40 Amp Type 1 Automatic Reset Circuit Breaker – Heavy-Duty Metal Housing

Ensure the safety and reliability of your high-power electrical circuits with the Pollak 54-140 40 Amp Circuit Breaker. This Type 1 "Automatic Reset" breaker is a critical component for heavy-duty trucks, trailers, and specialized machinery. Engineered by Pollak (an SMP brand), the 54-140 provides essential protection against overcurrent and short circuits, automatically resetting once the fault is cleared to keep your equipment operational without the need for manual fuse replacements.

The 54-140 features a rugged metal housing specifically designed for superior heat dissipation and maximum impact resistance. Its zinc-plated steel construction is built to survive high-vibration environments and the extreme temperatures found in engine compartments. Whether you are protecting high-draw hydraulic pumps, electric cooling fans, or auxiliary power feeds, this 40 Amp breaker delivers the industrial-grade performance required for professional-grade vehicles.

Key Features:

• Type 1 Auto-Reset: Automatically cycles (Off-On) until the electrical fault is corrected, ensuring your systems stay online.

• High-Capacity 40 Amp Protection: Optimized for 12V DC circuits with heavy electrical loads.

• Heavy-Duty Metal Case: Durable, zinc-plated steel housing protects internal components from mechanical damage and thermal stress.

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

• Universal Compatibility: A versatile choice for automotive, agricultural, and commercial trucking applications.

Technical Specifications:

• Part Number: 54-140 (Bulk: 54-140P)

• Amperage: 40 Amp

• Voltage: 12V DC

• Reset Type: Type 1 (Automatic)

• Housing Material: Metal (Zinc-Plated Steel)

• Terminal Type: Threaded Studs