Product size : 8.5 X4.5cm Voltage rating: 12-48V DC Interrupt rating: 3000A@30V DC Operating temperature: -32°C to 82°C Storage temperature: -34°C - 149°C Number of Poles: 2 Weatherproof rating: IP67 Circuit rating: 60A ,120A Color: Black  Package Include: 1 x Manual Reset Switch  Suitable for a wide range of DC system voltages from 12V to 48V. Safe,Designed to protect the system from over-current as a result of high power draw, short-circuits, wiring mistakes, equipment faults or any other high current event.With mount cover protective the stud to be isolated, splash&dust proof  Typically used in auxiliary and accessory circuits for Boat, Marine, RV, Winch, Tractor and ATV applications.  Manual Reset Design-Visible reset lever shows open condition, unique push button reset Can also be used as a kill switch. Button on circuit breaker can act as a master disconnect for circuits.  IP67 Waterproof-The screw inside is made of pure copper, Housing made from thermal plastic UL rated 94V0. It is also water resistant (IP67 rated) and UL1500 Ignition Protect  Manual reset arm is easy to operate, automatic testing and manual coverage. Simple and convenient to be installed on the panel or firewall. [High-current circuit breaker] Using bimetal structures, when the circuit is overloaded, quickly power protection. Widely used in special vehicles, off-road vehicles winch, yachts and ships electrical control. [Manual power off] We need to disconnect the circuit when refitting, directly press the elliptical red button on the fuse, then the long handle will automatically cut off the power. Press the long handle back to the original position to form a passage. [Application] Ideal For Harsh Environments, suitable for use on auxiliary DC electrical systems. Ideal for use in harsh environments, like motorsport, to provide protection in the event of current overload or short circuit. Switchable surface mount circuit breakers typically found in auxilliary and accessory circuits in trucks, buses, motorhomes & marine systems. [Water resistant housing] Sealed, waterproof unit suitable for use in engine compartments and Bilge area's [Connection Stud] Connection Stud Size - M6 x 2 - Nuts supplied with integral lock washers to prevent loosening due to vibration.