Technical Parameters Electrical Ratings Rated Control Coil Voltage (Uc): 220 – 230 V AC (50 Hz) / 230 – 240 V AC (60 Hz) Number of Poles (Main Contacts): 3 NO (normally open) Auxiliary Contacts: 1 NO (normally open) Rated Insulation Voltage (Ui): 690 V AC (IEC 60947‑4‑1) Rated Operational Voltage (Main Circuit): up to 690 V AC Rated Operational Current (IE): AC‑1: ~22 A @ 220/240 V AC (55 °C) and ~22 A @ 690 V AC (40 °C) AC‑3: ~9 A @ 220‑240 V AC; ~9 A @ 380‑440 V AC; ~7 A @ 690 V AC Rated Operational Power (AC‑3): ~2.2 kW @ 220‑240 V AC ~4 kW @ 380‑440 V AC ~5.5 kW @ 500‑690 V AC Performance & Switching Rated Operational Current (AC‑15): up to ~6 A (control duty) Rated Operational Current (DC‑13): ~0.55 A to ~6 A depending on DC voltage Maximum Breaking Capacity: ~250 A @ 440 V AC / ~90 A @ 690 V AC Conventional Free‑Air Thermal Current (Ith): ~24 A Operate Times: Coil energization to NO contact closing: ~10 ms to 26 ms Coil de‑energization to NO contact opening: ~4 ms to 11 ms Switching Frequency: AC‑1: ~600 cycles/hour AC‑3/AC‑15: ~1200 cycles/hour DC‑13: ~900 cycles/hour Mechanical: ~3600 cycles/hour Mechanical & Connection Terminal Type: Screw terminals for main, control, and auxiliary circuits Tightening Torque: ~1 N·m on all terminals Degree of Protection: IP20 (main, auxiliary, and coil terminals) Mounting: Panel or DIN‑rail compatible with appropriate accessories Dimensions: Approx. 44 mm (W) × ~77 mm (D) × ~74 mm (H) Weight: ~0.27 kg Ambient Operating Temperature: With thermal overload relay: −25 °C to +55 °C Without thermal overload relay: −40 °C to +70 °C Storage Temperature: −60 °C to +80 °C Maximum Altitude (without derating): ~3000 m