Features 1、Fast Arc Extinguishing: This miniature circuit breaker rapid arc extinguishing system, fast arc extinguishing, to avoid electrical fire, for the safety of the use of the environment to make a guarantee. 2、Short Circuit Protection Design: Our miniature circuit breaker has short circuit protection, electromagnetic disconnect mechanism to stabilize the current, safety protection, no problem. 3、Easy to Disassemble: Miniature circuit breaker has a double locking clip structure, horizontal operation during installation, narrow environment disassembly and installation, more convenient and fast. 4、More Efficient: Our miniature circuit breaker's more efficient power distribution capability improves the efficiency of workers, making the work process easier and enhancing the user's experience. 5、Wide Application: Miniature circuit breakers are widely used in civil and commercial buildings as well as industrial places for power distribution protection, if you have related needs then this one is for you. Specification Item Type: Miniature Circuit Breaker Material: PA66 Voltage: 400V Main Features Conforms to IEC60947-2 Rated Insulation Voltage(Ui) 500VAC Pollution Level 3 Surge Voltage Resistance(Uimp) 6kV Magnetic Decoupling B Curve (3-5)ln Thermal Derating Reference Adjustment Temperature 30℃ C Curve (5-10)ln Use Category A D Curve (10-14)ln Conform to IEC60898-1 Current Limiting Class 3 Single Pole Breaking Capacity(Icn1) Icn1=Icn(6000A) Other Parameters Protection Class (IEC60529) Circuit Breaker Body IP20 IP20 Installed in distribution box IP40 Insulation class: Ⅱ Overvoltage Category(IEC60364) Ⅳ Resistance to heat and humidity (IEC60068-1) Category 2 (temperature 55°C, relative humidity 95%) Wiring Method Up in and down out, down in and up out Function Short circuit protection, overload protection, control isolation Electrical Life 10,000 times Mechanical Life 20,000 times Operating Environment Temperature -35℃ - +70℃ Storage Environment Temperature -40℃ - +85℃ Package List 1 x Circuit Breaker