The Contactum 100A 30mA 4P RCD Type A comes with a box quantity 1.
ABC indicator: A Associated standards: BS EN 61008 Rated voltage: 220-415V Frequency: 50-60Hz Wiring system: 4 pole Ambient operating temperature: -5 to 40°C (24hour average not exceeding 25°C) Terminal capacity: 35mm Width in number of modular spacing's: 4 Nature of supply: AC