Installation contactor, 4-pole, 2 N/O (1-2, 7-8) + 2 N/C (R3-R4, R5-R6). Ui - 440V Ith - 25A AC1/AC7a - 9kW / 230V; 16kW / 400V. AC3/AC7b - 2.2kW / 230V; 4 kW / 400 V. Coil 24 V AC/DC - terminals: (+)A1 - (-)A2. Dimensions: 85x35x65mm. Mounting on a 35 mm rail. IP 20.