5x 50A 4.5kA Type B SP MCB 304756

Compatible with Contactum Defender range of consumer units DIN rail mounted Colour coded dolly allows quick identification of ratings Window on the device indicates ON (red) and OFF (green) Rated kA: 4.5 Rated current: 50A Number of poles: 1 Ambient operating temperature: -5 to 40°C (24hour average not exceeding 25°C) Fully tested in accordance with IEC/EN 60898 Type B: trips between 3-5 times full load current. Mainly used in residential applications where loads are resistive, such as lighting fixtures and domestic appliances.