Technical Parameters Specification Details Product Type Installation Contactor Series ESB40-22N Mounting DIN-rail (modular TH35) Number of Poles 4 (4-pole contactor body) Contact Configuration 2 Normally Open (2NO) + 2 Normally Closed (2NC) Rated Operational Current (AC-1) Up to 40 A Rated Operational Voltage (Main Circuit) Up to 400 V AC / 220 V DC Control/Coil Voltage AC/DC control depending on variant (e.g., 24 V AC/DC for -01, 230 V AC/DC for -06) Control Coil Type AC/DC hum-free coil Rated Insulation Voltage (Ui) 500 V Utilization Category AC-1, general switching Rated Operational Current AC-3 (Motor) ~22 A at 230 V AC (NO contact) Rated Operational Power AC-3 ~3.7 kW at 230 V AC (NO contact) Rated Operational Power AC-1 ~9.2 kW at 230 V AC (NO contact) Terminal Type Screw terminals Wiring Capacity Typical flexible up to ~16 mm² (main circuit) Degree of Protection IP20 Operating Temperature Range −25 °C to +55 °C Mechanical Durability High cycle life suitable for frequent switching Dimensions (approx.) ~54 mm (W) × 85 mm (H) × 64–65 mm (D) Weight ~0.405 kg Typical Applications Lighting, heating, ventilation, pumps, motor control, general load switching