DC Circuit Breaker, 12V Auto-Reset, 10A, 15A, 20A, 30A, 40A, 50A Ratings, #10-32 Studs

 

Auto-Reset Metal Automotive Circuit Breakers for 12V DC applications, including automotive, marine, and battery chargers. Type I Automatic Reset circuit breakers protect electrical wiring and components from short circuits and excessive current draw, and continue to cycle until the overcurrent is corrected.

 

This type of circuit breaker is very commonly used in battery chargers as DC circuit protection.

 

- Available in 10A, 15A, 20A, 30A, 40A, 50A ratings
- Provide continuous protection during an overcurrent
- Widely used in automotive battery chargers to protect the DC output circuit
- Metal housing
- No mounting bracket
- #10-32 connection studs, nuts & washers included

Specifications

Mounting: None / Stud Mount
Function Type: Type I - Thermal Trip-free, Cycling
Number of Poles: Single Pole, Normal Closed
Maximum Current Rating: as marked 10A - 50A 
Maximum Voltage Rating: 12V-28Vdc 
Calibration @ 25C: 100% Hold, 135% Trip (percent of rating) 
Interrupting Capacity: Branch Circuit Protection: 2,500A @ 12Vdc 
Termination: #10-32 Studs
Compliances: SAE J553, SAE J1171 (Ignition Protected)

 

Trip Characteristics

 

100% of rated current - no trip within 30 minutes
150% of rated current - trip within 30 minutes
200% of rated current - trip in 12-45 seconds
300% of rated current - trip in 3.5-15 seconds