1、[Flame Retardant Housing] Our circuit breaker is made of nylon material Pa66, which has excellent flame retardant safety performance. 2、[Short Circuit Protection] When the circuit is short circuited, the electromagnetic tripping mechanism can stably cut off the current, which is safer to use. 3、[Rapid Arc Extinguishing] The circuit breaker can quickly extinguish the arc to avoid electrical fires and ensure your safety. 4、[Easy Installation] The circuit breaker is a double locking clip structure, which can be operated horizontally during installation, and can be disassembled and assembled freely in a narrow environment. 5、[Wide Application] Miniature circuit breakers are widely used in power distribution protection in civil, commercial buildings and industrial places. Item Type: Miniature Circuit Breaker Material: PA66 Rated Insulation Voltage (Ui): 500VAC Pollution Level: 3 Withstand Impulse Voltage (Uimp): 6kV Magnetic Trip: B Curve: (3-5)ln C Curve: (5-10)ln D Curve: (10-14)ln Thermal Trip Reference Setting Temperature: 30℃ Use Category: A, in line with IEC60898-1 Current Limiting Level: 3 Single Pole Breaking Capacity (Icn1): Icn1=Icn(6000A) Protection Class (IEC60529): Circuit Breaker Cody: IP20 Installed in the Distribution Box: IP40, insulation class is Ⅱ Overvoltage Category (IEC60364): Ⅳ Damp Heat Resistance (IEC60068-1): Class 2 (at 55°C, relative humidity 95%) Wiring Method: Top in and bottom out, bottom in and top out Function: Short circuit protection, overload protection, control isolation Electrical Life: 10000 times Mechanical Life: 20000 times Ambient Temperature: -35℃-70℃ Storage Environment Temperature: -40℃-85℃ Voltage: 400V 1 x Miniature Circuit Breaker