Lovato 11B31000110 heavy-duty three-pole industrial contactor with 320A AC-3 rating, 170kW motor switching capability and 110…125VAC/DC universal coil.
£2,388.79
The Lovato 11B31000110 is a heavy-duty three-pole industrial contactor engineered for reliable switching of extremely high-power motors and industrial electrical loads in demanding automation and motor control systems. Part of the advanced Lovato B series, this contactor is designed for industrial machinery, process systems and OEM control panels requiring dependable high-current switching performance.
Designed for continuous-duty industrial operation, the 11B31000110 features a versatile 110...125 VAC/DC universal control coil, simplifying panel design and reducing spare parts inventory requirements. Its rugged construction and high endurance ratings make it suitable for intensive industrial switching applications.
With an AC-3 operational current rating of 320 A and motor switching capability up to approximately 170 kW at 400 V AC, the Lovato 11B31000110 is ideal for controlling large three-phase motors, compressors, pumps, conveyors and industrial process equipment where dependable switching performance is essential.
Industrial contactors such as the Lovato 11B31000110 are designed to safely switch high-current electrical loads and large three-phase motors within industrial automation systems. Their rugged design enables frequent switching operations while maintaining dependable electrical performance and long operational life in demanding industrial environments.
The universal AC/DC coil design simplifies industrial control integration by allowing operation from either AC or DC control supplies. This reduces spare parts inventory requirements while increasing flexibility for panel builders, machine manufacturers and maintenance engineers.
| Power | 170 kW |
|---|---|
| Current | 320 A |
| Voltage | 125 V |
| Phase | Three Phase |
| Series | B Series Contactors |
| Alternative SKU | B31000110 |
| Product type | Three-pole contactor |
| Number of poles | 3 |
| Main contacts | 3 NO |
| AC-3 operational current | 320 A |
| AC-1 thermal current | 450 A |
| Motor power rating | 170 kW at 400 V AC |
| UL/CSA horsepower rating at 480 V | 250 HP |
| Control voltage | 110...125 VAC/DC |
| Control frequency | 50/60 Hz |
| Rated insulation voltage Ui | 1000 V |
| Rated impulse withstand voltage Uimp | 8 kV |
| Rated operation current AC-4 at 400 V | 110 A |
| Mounting type | Screw mounting |
| Connection type | Bolt/screw terminals |
| Width | approx. 145 mm |
| Height | approx. 204 mm |
| Operating temperature | -50 °C to +70 °C |
| Weight | approx. 9.65 kg |
| EAN | 8013975026557 |
| HS Code | 85365080 |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-4-1 |
The 11B31000110 is a heavy-duty three-pole contactor used for switching high-power three-phase motors and industrial electrical loads.
The contactor has an AC-3 operational current rating of 320 A.
The contactor uses a 110...125 VAC/DC universal coil, allowing operation from either AC or DC control supplies.
The 11B31000110 is suitable for motors up to approximately 170 kW at 400 V AC.
Yes, it is specifically designed for demanding industrial automation, motor control and power switching applications.
Lovato B series contactors are trusted worldwide for dependable high-current switching, durable industrial construction and reliable long-term operation in demanding automation systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...