Key Specifications General / Main Circuit Manufacturer: ABB Model / Part Number: AX300‑30‑11‑80 / 1SFL587074R8011 Product Type: 3‑Phase AC Contactor (Heavy Duty) Series: AX300 Size (AX Series) Number of Main Contacts: 3 Normally Open (3NO) Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC) Rated Operational Voltage (Main Circuit): Up to 690 V AC Rated Operational Current (AC‑3, Ie) @ 55 °C: ~305 A @ 380 400 V AC; ~290 A @ 500 V AC; ~290 A @ 690 V AC Rated Operational Power (AC‑3): ~160 kW @ 380/400 V AC ~200 kW @ 500 V AC ~250 kW @ 690 V AC ~90 kW @ 220/230/240 V AC Rated Control Circuit Voltage (Uc): ~220 … 230 V AC @ 50 Hz ~230 … 240 V AC @ 60 Hz Rated Insulation Voltage (Ui): ~690 V AC Making / Breaking: Designed for heavy switching duties with robust contact design Electrical & Mechanical Performance Rated Free‑air Thermal Current (Ith): Designed for high current applications Coil Operating Limits: 220–230 V AC @ 50 Hz; 230–240 V AC @ 60 Hz Maximum Electrical Switching Frequency: Typical industrial duty Mechanical Durability: Long life cycle suitable for industrial use Terminals: Heavy‑duty bar terminals for main circuit connections Physical / Environmental Mounting: Panel or enclosure mounting in industrial control panels Approx. Dimensions (H×W×D): ~225 mm × 140 mm × 180 mm Net Weight: ~4.7 kg Ambient Temperature Range: Typical industrial range (e.g., −40 °C to +70 °C without overload relay; −25 °C to +55 °C near thermal relay) Protection Class: Typically IP20 on auxiliary terminals and general enclosure Maximum Operating Altitude: Up to ~3000 m without derating