Lovato 11B50000380 heavy-duty three-pole industrial contactor with 520A AC-3 rating, 290kW motor switching capability and 380…415VAC/DC universal coil.
£3,450.51
The Lovato 11B50000380 is an ultra heavy-duty three-pole industrial contactor engineered for switching extremely high-power motors and industrial electrical loads in critical automation and power control systems. Part of the advanced Lovato B series, this contactor delivers outstanding switching performance, rugged construction and dependable long-term reliability for the most demanding industrial environments.
Designed for continuous industrial operation, the 11B50000380 incorporates a versatile 380...415 VAC/DC universal control coil, simplifying control system design while reducing spare parts inventory requirements for OEMs, panel builders and industrial maintenance teams.
With a substantial AC-3 operational current rating of 520 A and motor switching capability up to approximately 290 kW at 400 V AC, the Lovato 11B50000380 is ideal for controlling very large three-phase motors, heavy-duty pumps, compressors, mining equipment, industrial HVAC systems and major process machinery.
Industrial contactors such as the Lovato 11B50000380 are engineered to safely switch extremely high-current electrical loads and large three-phase motors within industrial automation systems. Their rugged design enables dependable switching performance and long operational life in harsh industrial environments including mining, heavy manufacturing and process industries.
The universal AC/DC coil design increases flexibility for industrial control engineers by allowing operation from either AC or DC control supplies. This reduces spare parts complexity and simplifies maintenance planning across large industrial facilities.
| Power | 290 kW |
|---|---|
| Current | 520 A |
| Voltage | 415 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Series | B Series Contactors |
| Alternative SKU | B50000380 |
| Product type | Three-pole contactor |
| Number of poles | 3 |
| Main contacts | 3 NO |
| AC-3 operational current | 520 A |
| AC-1 thermal current | 700 A |
| Motor power rating | 290 kW at 400 V AC |
| Motor power rating at 690 V | 416 kW |
| Control voltage | 380...415 VAC/DC |
| Control frequency | 50/60 Hz |
| Rated insulation voltage Ui | 690 V to 1000 V |
| Rated impulse withstand voltage Uimp | 8 kV |
| Rated operation current AC-4 at 400 V | 175 A |
| Short-time allowable current for 10 s | 4050 A |
| Making capacity | 6300 A RMS |
| Mounting type | Screw mounting |
| Connection type | Screw/bolt terminals |
| Width | approx. 194 mm |
| Height | approx. 270 mm |
| Depth | approx. 263 mm |
| Operating temperature | -50 °C to +70 °C |
| Storage temperature | -60 °C to +80 °C |
| Maximum altitude | 3000 m |
| Mechanical life | 5 million operations |
| Weight | approx. 18.5 kg |
| EAN | 8013975026793 |
| HS Code | 85365080 |
| 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 11B50000380 is a heavy-duty three-pole contactor used for switching extremely high-power three-phase motors and industrial electrical loads.
The contactor has an AC-3 operational current rating of 520 A.
The contactor uses a 380...415 VAC/DC universal coil, allowing operation from either AC or DC control supplies.
The 11B50000380 is suitable for motors up to approximately 290 kW at 400 V AC.
Yes, it is designed for demanding industrial automation, mining, process control and high-current switching applications.
Lovato B series maxi contactors are trusted worldwide for dependable high-current switching, rugged 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...