Features [Ensure current safety] The fast arc extinguishing system of this circuit breaker can quickly extinguish the arc and avoid electric fires. [Short circuit protection] The short circuit protection of the circuit breaker can stabilise the electromagnetic trigger mechanism and interrupt the current, which plays a good role in safety protection. Wide application: this circuit breaker is widely used to protect power distribution in civil, commercial buildings and industrial facilities. PA66 shell: The shell of the circuit breaker is made of flame retardant material Pa66, which does not cause circuit fire and provides excellent safety. [Easy Installation] The circuit breaker is a double locking clamp structure that can be operated horizontally during installation and can be freely disassembled and assembled in a tight environment. Specification: Item Type: Circuit Breaker Material: PA66. Rated insulation voltage (Ui): 500 VAC Pollution level: 3. Surge Resistance (Uimp): 6 kV Magnetic trip: B-curve: (3-5)ln C-curve: (5-10)ln D curve: (10-14)ln Thermal trigger reference setting temperature: 30℃ Usage category: A, according to IEC60898-1. Current limiting level: 3. Single pole switching capacity (Icn1): ICN 1 = ICN (6000 A). Protection class (IEC60529): Circuit breaker code: IP20. Installed in the distribution box: IP40, insulation class is Ⅱ. Surge category (IEC60364): Moisture Heat Resistance (IEC60068-1): Class 2 (at 55°C, RH 95%) Wiring method: top in and bottom out, bottom in and top out Function: short circuit protection, overload protection, control disconnect Electrical life: 10000 times. Mechanical life: 20000 times. Ambient temperature: -35℃-70℃. Temperature of storage environment: -40℃-85℃. Voltage: 400V Package list: 1 x circuit breaker. Small note: When using, pay attention to the safety of electricity, please install it under the guidance of professionals Package List 1 x Miniature Circuit Breaker