Technical Specifications Parameter Value Product Type / Model AX205‑30‑11‑84 Poles (Main Contacts) 3 poles, 3 NO (Normally Open) main contacts Auxiliary Contacts 1 NO + 1 NC (Normally Open + Normally Closed) Control (Coil) Voltage (Uc) 110 V AC, 50 Hz; or 110–120 V AC, 60 Hz Rated Main Circuit Voltage Up to 1000 V AC Conventional Free‑air Thermal Current (Ith) 250 A Rated Operational Current AC‑1 (Ie) 275 A at 690 V (40 °C) 250 A at 690 V (55 °C) 180 A at 690 V (70 °C) Rated Operational Current AC‑3 (Ie) 205 A (at 380–415 V) 185 A (440 V) 170 A (500–690 V) Rated Operational Power (AC‑3, Pe) 110 kW at 415 V / 380–400 V 90 kW at 440 V 110 kW at 500 V 132 kW at 690 V 59 kW at 220–240 V Rated Insulation Voltage (Ui) 690 V Impulse Withstand Voltage (Uimp) 8 kV Rated Making / Breaking Capacity (AC‑3) Breaking: 8 × Ie AC‑3 Making: 10 × Ie AC‑3 Short‑time Withstand Current (Icw) 1 s → 1800 A; 10 s → 1200 A; 1 min → 600 A; 15 min → 280 A; 30 s → 800 A Mechanical Durability 5,000,000 operations Maximum Mechanical Switching Frequency 3600 cycles/hour Maximum Electrical Switching Frequency 300 cycles/hour Dimensions (W × D × H) 111.5 mm × 162.3 mm × 196 mm Net Weight ≈ 3.2 kg Connection Terminals (Main Circuit) Bar contacts / main bars Ambient Temperature (with thermal overload relay) –25 °C … +55 °C Ambient Temperature (without overload relay) / Storage –40 °C … +70 °C