Pollak 54-921 Sealed 20 Amp Circuit Breaker – Type I Automatic Reset with 12-Inch Wire Loop & Mounting Bracket

Reliable, Secure Circuit Protection for Heavy-Duty Specs
The Pollak 54-921 20 Amp Sealed Circuit Breaker is the professional choice for electrical protection in demanding environments. Featuring an integrated metal mounting bracket, this model is designed for a secure, permanent installation on firewalls, chassis, or interior panels, ensuring the breaker stays in place even in high-vibration truck and trailer applications.

Engineered for Exposure and Ease of Use
Whether you are wiring auxiliary lights, battery chargers, or small motors, the 54-921 offers ultimate resilience. The breaker is fully sealed to protect internal components against moisture, dust, and road grime. The 12-inch wire loop provides a continuous lead that can be cut and stripped to create two custom-length wires, allowing for a seamless, professional splice without the need for additional ring terminals or exposed studs.

Key Features & Benefits:

• Automatic Reset (Type I): Automatically resets after the overload is cleared, providing continuous circuit protection without the need for manual intervention or fuse replacement.

• Sealed Weatherproof Housing: Specifically designed for "exposed applications," making it perfect for under-hood, exterior frame, or marine environments.

• Integrated Mounting Bracket: Provides a stable mounting surface with pre-drilled holes for easy installation using screws or bolts.

• 12-Inch Wire Loop: Offers maximum installation flexibility; the loop can be customized to the exact length needed for your specific wiring harness.

• Heavy-Duty Standards: Rated for 20 Amps at 12V DC and meets SAE J553 requirements for automotive circuit breakers.

Technical Specifications

• Brand: Pollak (Stoneridge)

• Part Number: 54-921 (also referenced as 54-921P)

• Amperage: 20 Amps

• Voltage: 12V DC

• Reset Type: Type I Automatic Reset

• Mounting: Metal Mounting Bracket Attached

• Wire Lead: 12-inch continuous loop (Black 12AWG)

• Housing: Sealed for environmental protection

• Compliance: SAE J553