Key Specifications
General
Manufacturer: ABB
Model / Part Number: AX150‑30‑11‑85 / 1SFL991074R8011
Product Type: 3‑Phase AC Contactor
Series: AX Series
Mounting: Panel or enclosure
Mechanical Endurance: High industrial durability
Main Circuit
Number of Main Contacts: 3 Normally Open (3NO)
Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
Rated Operational Voltage (AC‑3, Ie): ~150 A @ 380/400 V AC; ~100 A @ 440–500 V AC; ~82 A @ 690 V AC
Rated Operational Power (AC‑3): ~75 kW @ 380/400 V; ~59 kW @ 440–500 V; ~75 kW @ 690 V AC
Rated Breaking Capacity (AC‑3): 8 × Ie
Rated Making Capacity (AC‑3): 10 × Ie
Rated Operational Current (AC‑1, Ie): ~190 A @ 690 V AC
Control / Coil
Rated Control Voltage (Uc): 380 V AC typical
Rated Frequency: 50/60 Hz
Mechanical & Environmental
Rated Insulation Voltage (Ui): 690 V
Impulse Withstand Voltage (Uimp): 8 kV
Mechanical & Electrical Durability: Long life cycle suitable for heavy-duty industrial applications
Terminal Type: Heavy-duty bar terminals
Operating Temperature Range: −40 °C to +70 °C (ambient, depending on installation conditions)
Applications
3‑phase motor control and switching
Industrial power distribution
Load isolation and control in automation systems
General AC power circuit control
The ABB AX150‑30‑11‑85 contactor is a 3‑phase AC contactor designed for industrial motor control and power switching applications. It belongs to ABB’s AX series and is suitable for high-current switching in industrial panels, machinery, and distribution systems. The contactor features three main poles (3NO) and built-in auxiliary contacts (1NO + 1NC), and it is designed for control voltages around 380 V AC.