Feature:1. Bilateral busbar wiring capacity to accommodate a wider range of uses.2. Maximum connection capacity 25mm, wiring torsion 3N.m, suitable for various installation equipment.3. Mainly used for AC 50Hz/60Hz, double voltage 230V/400V, rated current 1A ~ 63A overload and short circuit protection, can also be used for non-frequent switching operation under normal conditions.4. In accordance with IEC/EN60898-1, the indicator function is in contact position.5. Transparent cover designed to carry labels.Specification:Item Type:Circuit BreakerMaximum Wiring Capacity:25mmWiring Torsion:3N.mRated Input Current:40A 50A 63A(Optional)Pole:3PRated Voltage Ue : 400VACInsulation Voltage Ui : 500VRated Frequency : 50/60HzRated Breaking Capacity: 4500/6000ARated Impulse Withstand Voltage (1.2/50) Uimp : 6kVInsulation Test Voltage (Within 1 Minute): 2kVPollution Level: 2Thermal Magnetic Release Characteristics: B C DElectrical Life: 4000Mechanical Life: 10000Degree of Protection: IP20Set The Reference Temperature of The Thermal Element: 30Ambient Temperature (Daily Average 35 C): -5 ~ +40Storage Temperature: -25~+70Package List:1 x Circuit BreakerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.