Features How it works: If people suffer an electric shock or the leakage current of the power grid exceeds the set value, this product can interrupt the residual current in a short time to protect people and devices. Use of parameters: GYL9 residual current circuit breaker is suitable for the circuit with AC 50/60Hz, rated voltage of 230V for 2 poles and 400V for 4 poles and rated current up to 100A. Wide Applications The circuit breaker is suitable for industrial, commercial, high-rise buildings, households and other places. Practical accessories: the circuit breaker can also be used when starting the circuit and motors infrequently. Maximum connection capacity of 35 mm2, wiring torque 3.5 Nm, applicable to a variety of installation equipment. Safe to use: in accordance with IEC/EN61008.1. IP20 rating. Possibilities for two-sided busbar wiring to adapt to the wider use of premises. Specification: Rated current input: 25/40/63A (optional) Pole: 4P Rated voltage Ue: 400 VAC. Insulation voltage Ui: 500 V. Rated frequency: 50/60 Hz. Nominal sensitivity: 0.03 A. Rated residual on/off load capacity: 500 (In=25-40A), 630(In=63A). Short circuit current: 10000 A. Separation time: ≤ 0.1 s. Rated shock voltage resistance (1.2/50) Uimp: 6kV Insulation test voltage (within 1 minute): 2.5 kV Electric-mechanical life: 4000 Reference temperature for setting the thermocouple: 30℃ Ambient temperature: (daily average ≤ 35℃) -5~40℃. Storage temperature: -25~70℃. Package list: 1 x residual current circuit breaker. Note: Please note that the new and old type of this product will be sent at random. Please make sure you do not mind before ordering. Package List