Lovato 11B40000110 heavy-duty three-pole industrial contactor with 420A AC-3 rating, 225kW motor switching capability and 110…125VAC/DC universal coil.
£2,924.73
The Lovato 11B40000110 is a premium heavy-duty three-pole industrial contactor engineered for switching extremely high-power motors and industrial electrical loads in demanding automation and power control systems. Part of the advanced Lovato B series, this contactor delivers exceptional electrical endurance, high switching performance and rugged industrial reliability for critical applications.
Designed for continuous-duty industrial operation, the 11B40000110 incorporates a versatile 110...125 VAC/DC universal control coil, simplifying control circuit design while reducing spare parts inventory requirements for OEMs, panel builders and maintenance engineers.
With an impressive AC-3 operational current rating of 420 A and motor switching capability up to approximately 225 kW at 400 V AC, the Lovato 11B40000110 is ideal for controlling very large three-phase motors, industrial compressors, HVAC systems, conveyors, pumps and heavy-duty process machinery.
Industrial contactors such as the Lovato 11B40000110 are engineered to safely switch very high-current electrical loads and large three-phase motors in industrial automation systems. Their rugged design enables frequent switching operations while maintaining dependable electrical performance and long-term operational reliability in harsh industrial environments.
The universal AC/DC coil design simplifies industrial control integration by allowing operation from either AC or DC control supplies. This increases design flexibility while reducing inventory complexity for industrial maintenance and machine-building operations.
| Power | 225 kW |
|---|---|
| Current | 420 A |
| Voltage | 125 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Series | B Series Contactors |
| Alternative SKU | B40000110 |
| Product type | Three-pole contactor |
| Number of poles | 3 |
| Main contacts | 3 NO |
| AC-3 operational current | 420 A |
| AC-1 thermal current | 550 A |
| Motor power rating | 225 kW at 400 V AC |
| UL/CSA horsepower rating at 480 V | 350 HP |
| Control voltage | 110...125 VAC/DC |
| Control frequency | 50/60 Hz |
| Rated insulation voltage Ui | 1000 V |
| Rated operational voltage | up to 690 V AC |
| Rated impulse withstand voltage Uimp | 8 kV |
| Rated operation current AC-4 at 400 V | 133 A |
| Mounting type | Screw mounting |
| Connection type | Screw/bolt terminals |
| Width | approx. 145 mm |
| Height | approx. 204 mm |
| Operating temperature | -50 °C to +70 °C |
| Storage temperature | -60 °C to +80 °C |
| Mechanical life | 10 million operations |
| Weight | approx. 9.62 kg |
| EAN | 8013975026601 |
| HS Code | 85365080 |
| Terminal tightening torque | 35 Nm |
| Ingress protection | IP00 terminal protection |
| 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 11B40000110 is a heavy-duty three-pole contactor used for switching very high-power three-phase motors and industrial electrical loads.
The contactor has an AC-3 operational current rating of 420 A.
The contactor uses a 110...125 VAC/DC universal coil, allowing operation from either AC or DC control supplies.
The 11B40000110 is suitable for motors up to approximately 225 kW at 400 V AC.
Yes, it is specifically designed for demanding industrial automation, power distribution and motor control applications.
Lovato B series contactors are trusted worldwide for dependable high-current switching, rugged industrial construction and reliable long-term operation in demanding automation systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...