This product is a Resi9 low voltage miniature circuit breaker (MCB). It is a 2P circuit breaker with 2 protected poles and a rated current of 25A and a tripping curve of C. The nominal short-circuit breaker capacity of Icn is up to 4500 A at 230 V alternating current, according to EN/IEC 60898-1. This product complies with EN/IEC 60898-1. This miniature circuit breaker combines the functions of protection against short circuit and overload current as well as control and isolation. The Resi9 has a dual-connection bottom feed system, which requires minimal wiring thanks to the forked comb busbars. Resi9 is intended for residential use in individual and apartment buildings. It has an electrical life of up to 4,000 cycles and a mechanical life of up to 10,000 cycles. The operating voltage Ue is 230 V~. The nominal insulation voltage Ui is 440 V~. The operating frequency is 50 Hz or 60 Hz. The product can be mounted on a DIN rail. Its width is 2 modules (in 4x9 mm divisions). The color of the product is white (RAL9003). The size is (width) 36mm × (height) 85mm × (depth) 75mm. According to the IEC 60529 standard, the cabinet has IP20 and IP40 degrees of protection. The operating temperature is between -25°C and 60°C. Storage temperature: -40-80°C.