Specifications General Product Name: Installation Contactor Model / Part Number: ESB20‑20N‑06 Series: ESB20..N Poles: 2 Main Contacts: 2 NO, 0 NC Modular Width: 18 mm (1 module) Weight: ~0.14 kg Protection Rating: IP20 Mechanical Endurance: ~1,000,000 cycles Electrical Endurance: ~150,000 switching cycles under rated conditions Operating Ambient Temperature: –25 °C to +55 °C Storage Temperature: –40 °C to +80 °C Maximum Operating Altitude: Up to ~2000 m Pollution Degree: 3 Electrical Ratings – Main (Load) Circuit Rated Operational Voltage: 250 V AC, 220 V DC Rated Operational Current (AC‑1, Ie): 20 A Rated Operational Current (AC‑3, Ie): 9 A @ 230 V Rated Operational Power (AC‑1): ~4.6 kW @ 230 V Rated Operational Power (AC‑3): ~1.3 kW @ 230 V Rated Insulation Voltage (Ui): 400 V Rated Impulse Withstand Voltage (Uimp): 6 kV Control Circuit Rated Control Voltage (Uc): 230 V AC/DC Control Frequency: 50 Hz / 60 Hz (up to 400 Hz for control circuit) Terminals & Wiring Main Circuit Connection Capacity: • Flexible up to 6 mm² • Rigid up to 10 mm² Control Circuit Connection Capacity: • Flexible 0.75–2.5 mm² • Rigid 0.5–4 mm² Tightening Torque: • Main ~1.2 N·m • Control ~0.9 N·m Stripping Length: ~7 mm Standards & Compliance Designed according to IEC/EN 60947‑1 and IEC/EN 60947‑4‑1 Suitable for low‑voltage distribution and control panels in residential, commercial, and industrial environments Typical Applications Switching and control of single‑phase loads: • Lighting circuits • Heaters and water heaters • Ventilation fans and blowers • Pump motors and small drives • Modular distribution board control logic