Item Type: Residential Circuit Breaker Material: PA66 Features: Complies with IEC60947-2: Rated Insulation Voltage (Ui): 500VAC Impulse Voltage (Uimp): 6kV Thermal Trip Reference Setting Temperature: 30 Use Category: A Pollution Degree: 3 Magnetic Tripping: B Curve: (3-5)ln C Curve: (5-10)ln D Curve: (10-14) ln Complies with IEC60898-1: Current Limiting Class: 3 Single Pole Breaking Capacity (Icn1): Icn1=Icn(6000A) Other Parameters: Protection Class (IEC60529) Circuit Breaker Body: IP20 Installed in the Distribution Box: IP40 Insulation, class Overvoltage Category (IEC60364): Damp Heat Resistance (IEC60068-1): Class 2 (when 55C, 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 to +70 Storage Ambient Temperature: -40 to +85 Voltage: 230V 400V