0914743

This Phoenix Contact 0914743 is a thermomagnetic device circuit breaker featuring a fast-blow characteristic. It is designed with 2 poles and a universal foot for mounting on NS 32 or NS 35 DIN rails.

The circuit breaker has a rated current of 0.3A (300mA) and a rated voltage of 250V AC, with a DC voltage rating of 65V. It includes both a normally open (N/O) and a normally closed (N/C) contact. The device has a rated short-circuit switching capacity of 400A at 250V AC and 2500A at 32V DC.

Key electrical specifications include a rated surge voltage of 2.5 kV and an insulation resistance greater than 100 MΩ at 500V DC. The dielectric strength is rated at 3000V AC for the actuation area and main to auxiliary circuit, and 1500V AC between positions. It is designed for a maximum of 10,000 switching cycles under inductive load conditions.

Mechanically, the circuit breaker has dimensions of 82.5 mm in height, 25 mm in width, and 96 mm in depth. It supports conductor cross-sections ranging from 0.2 mm² to 6 mm² for solid conductors and 0.2 mm² to 4 mm² for flexible conductors. The operating ambient temperature range is from -30°C to 60°C, with an IP30 degree of protection for the actuation area and IP20 for the connection area.