Key Technical Parameters General & Electrical Ratings Product / Model: ABB AF400‑30‑11 3‑pole contactor Number of Poles (Main): 3 normally open (3 NO) Auxiliary Contacts: 1 normally open (1 NO) + 1 normally closed (1 NC) Rated Control (Coil) Voltage: 100 – 250 V AC (50/60 Hz) or 100 – 250 V DC Voltage Type for Actuating: AC/DC wide range Rated Operational Voltage (Main Circuit): Up to 1000 V AC (IEC) / 600 V AC (UL) Rated Insulation Voltage (Ui): 1000 V (IEC) / 600 V (UL) Rated Impulse Withstand Voltage: ~8 kV Current & Power Performance Conventional Free‑Air Thermal Current (Ith): ~600 A Rated Operational Current (AC‑1): 600 A at 400–1000 V AC Rated Operational Current (AC‑3): ~400 A at 415–500 V AC (55 °C) and ~350 A at 690 V AC (55 °C) Rated Operational Power (AC‑3): ~200 kW at 380–400 V AC ~220 kW at 415–440 V AC ~250 kW at 500 V AC ~315 kW at 690 V AC ~220 kW at 1000 V AC (IEC) Switching & Mechanical Rated Making & Breaking Capacity (AC‑3): 10 × Ie (making), 8 × Ie (breaking) Short‑Circuit Protective Devices: gG type fuses up to ~630 A Short‑Time Withstand Current (Icw): various kA levels depending on time and conditions Maximum Electrical Switching Frequency: ~300 cycles/hour (AC‑1 & AC‑3) ~60 cycles/hour (AC‑2 / AC‑4) Mechanical Durability: ~3 million operations Coil & Control Rated Control Circuit Voltage Range: 100–250 V AC/DC Coil Consumption: Holding: ~12 VA at AC, ~4.3 VA at DC Pull‑in: ~955–1100 VA depending on frequency and DC Physical & Environmental Mounting / Terminals: Rail connection or busbar, screw/terminal bar connection Ambient Operating Temperature: ~‑40 °C to +70 °C without derating Altitude Capability: up to ~3000 m without derating Typical Applications Motor starting and control in industrial automation Power distribution switching and isolation Bypass and contactor combinations in large control panels Processes requiring wide‑range coil voltage flexibility