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30A-300A Amp Waterproof Circuit Breaker Auto/Marine/Solar 12-48V DC Manual Reset

30A-300A Amp Waterproof Circuit Breaker Auto/Marine/Solar 12-48V DC Manual Reset

Available in from 30/40/60/70/80/90/100/120/140/150/180/250A Works with 12V-48V DC Systems Perfect for car audio/video system, boat, trucks, buses, RV's, ATV winches, marine and DC sound amplifier system Manual Reset, just press on the button and the circuit will close/open Protect from being damaged by over-load current or voltage Screw terminals hold cables securely in place Made of alloy materials, high-tech waterproof housing with 1/4" Stainless steel studs How to Find the Amps you Need! AMPs = Watts / Volts x 1.25 Example: AMPS = 1000 Watts / 12 Volts x 1.25 = 104.1 AMPS (Round up to 110 or 120 Amp) Most of the time you want 25% more than what is the actual requirement. If the AMPs aren't available as the exact Amperage, then round up to the next available.