Technical Specifications Parameter Value / Description Series / Frame AF210‑30 Poles (Main Contacts) 3 poles, 3 NO (normally open) Auxiliary Contacts 1 NO + 1 NC Coil (Control) Voltage U_c 100–250 V AC 50/60 Hz or 100–250 V DC Rated Main‑Circuit Voltage up to 690 V AC Conventional Free‑air Thermal Current (I_th) 350 A (open contactor, 40 °C) Rated Operational Current AC‑1 (I_e) 350 A @ 690 V (40 °C); 300 A @ 690 V (55 °C); 240 A @ 690 V (70 °C) Rated Operational Current AC‑3 (I_e) 210 A @ 415/440/500/690 V (55 °C) (also 210 A at 380/400 V or 220–240 V) Rated Power (AC‑3, P_e) 59 kW @ 220–240 V; 110 kW @ 380–415/440 V; 132 kW @ 500 V; 160 kW @ 690 V Main‑circuit connection / terminal type Bar‑type main contacts (suitable for rigid Cu or Al cable or bus bars) Mechanical endurance / durability ~5,000,000 mechanical cycles Size / Dimensions (approx.) Width 140 mm × Depth 180.5 mm × Height 227 mm Ambient Operating Temperature With thermal overload relay: –25 °C … +55 °C; Without overload relay: –40 °C … +70 °C Insulation / Rated Insulation Voltage (U_i) 1000 V (IEC standard), 600 V (UL/CSA) Auxiliary circuits wiring Auxiliary circuit terminals: flexible 1–4 mm² or solid cables; main circuits support large cross‑section bars/cables