Pollak 54240PL 40 Amp Circuit Breaker with Automatic Reset

The Pollak 54240PL is a heavy-duty 40 amp thermal circuit breaker designed for 12-volt DC electrical systems in automotive, marine, RV, and powersports applications. This single-pole automatic reset circuit breaker provides reliable overcurrent protection for critical electrical circuits.

Key Features:

• 40 amp current rating for 12-volt DC systems
• Thermal-type automatic reset design eliminates need for manual reset or fuse replacement
• Durable plastic protective cover shields internal components
• Includes 90-degree mounting bracket for flexible installation options
• Single-pole configuration for straightforward wiring
• Trips automatically when circuit overload or short occurs, then resets when fault is cleared

This thermal circuit breaker uses a bimetallic element that responds to excessive current by opening the circuit. Once the breaker cools and the fault condition is removed, it automatically resets to restore power. The included right-angle mounting bracket allows for easy installation in tight spaces and provides secure mounting in various orientations.