Technical Parameters Parameter / Feature Specification / Detail Model / Type AF460‑30‑11 (3‑pole AC/DC contactor) Main Contacts 3 × Normally‑Open (NO) main contacts Auxiliary Contacts 1 NO + 1 NC auxiliary contact block Rated Operational Voltage (Main Circuit) Up to 1000 V AC (IEC insulation rating) / 690 V AC nominal for many usages Conventional Free‑air Thermal Current (Ith) 700 A @ 40 °C free air (derates with higher ambient temperature) Rated Operational Current AC‑1 (Ie, general load) 700 A @ 690 V (40 °C); derated to e.g. 600 A @ 55 °C, 480 A @ 70 °C Rated Operational Current AC‑3 (Ie, motor load) ~ 460 A @ 415–500 V AC; 400 A @ 690 V AC; (dependent on ambient and wiring) Rated Operational Power — AC‑3 Up to ~ 250 kW @ 400 V; ~ 315 kW @ 500 V; ~ 355 kW @ 690 V (for motor loads) Making/Breaking Capacity (AC‑3) Making capacity up to 10 × Ie; Breaking capacity up to 8 × Ie (per IEC 60947‑4‑1) Coil / Control Supply Voltage (Uc) Wide coil‑voltage variants: e.g. 100–250 V AC/DC standard; other variants also available by ordering code Rated Frequency (Main Circuit) 50 / 60 Hz AC Utilization / Duty Categories AC‑1 (general load), AC‑3 (motor switching), suitable for high-power applications Insulation & Withstand Ratings Rated insulation voltage Ui = 1000 V; Impulse withstand voltage Uimp ≈ 8 kV Terminals / Connection Capacity Main‑circuit bar‑type terminals (suitable for heavy conductors / busbars); auxiliary screw‑type terminals Mechanical Durability / Endurance ~ 3,000,000 switching cycles (or as specified per version) — robust for long‑term industrial use Typical Applications Large motor start/stop, industrial machinery control, heavy‑load switching, electrical distribution panels, bypass/isolation circuits, three‑phase load control