30-300A Circuit Breaker with Manual Reset for Boat Marine RV Yacht Battery Trailer Bus Truck, 12V - 72V DC,
Waterproof,30A/40A/50A/60A/80A/100A/150A/200A/250A/300A/70A
Installation scope: surface installation
Reset type: T3, manual
Operating temperature: -32oC (-25oF) to 82oC (180oF)

Interruption capacity:
2,500A @ 14Vdc (25-200A)
1,500A @ 48Vdc (25-200A)
1,500A @ 14Vdc (225A-300A)

Regulatory standards: SAE J1625; SAE J1171; UL 1500; ABYC E-11; Chief Executive; IP67
Termination: 1/4" stainless steel stud
Main body: UL grade 94V0 thermosetting plastic
Storage temperature: -34oC (-30oF) to 149oC (300oF)
Commonly used in auxiliary and accessory circuits in trucks, buses, RVs, and marine applications.
Others include battery chargers and DC audio systems.
Way of working:

1. Circuit break protection: When the current reaches the cut-off value,
the long handle automatically bounces to cut off the power supply. Usually,
it trips under short-circuit conditions. After troubleshooting,
press the long handle back to its original position to form a path.

2. Manually cut off the power supply: We need to disconnect the circuit when refitting,
and directly press the oval red button on the insurance. At this time,
the long handle automatically pops up to cut off the power supply.
Connect as above, and then press the long handle back to its original position.

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