Why Choose the Lovato 11B500400440 Power Contactor?
The Lovato 11B500400440 is a heavy-duty 4-pole power contactor engineered for reliable switching of high-current industrial loads. As part of the proven Lovato B500 contactor series, it is designed for demanding motor control, power distribution and industrial automation applications where dependable performance and long service life are essential.
Featuring a robust AC/DC coil and high current switching capability, this contactor is ideal for OEM machine builders, panel manufacturers and industrial maintenance professionals. Its durable construction and IEC-compliant design provide reliable operation in challenging industrial environments.
With an IEC AC-1 thermal current rating of 700 A, an AC-3 operational current of 520 A at 400 V, and a 440–480 V AC/DC control coil, the 11B500400440 is suitable for controlling large motors, power circuits and industrial machinery requiring dependable high-capacity switching.
Key Advantages
- Heavy-duty 4-pole industrial power contactor.
- 700 A IEC AC-1 thermal current rating.
- 520 A AC-3 operational current at 400 V.
- 440–480 V AC/DC control coil for versatile installations.
- Designed for demanding industrial motor control applications.
- Robust screw terminal construction for secure electrical connections.
- Long mechanical and electrical operating life.
Key Features
- Lovato B500 Series power contactor.
- 4 normally open main poles.
- 700 A IEC AC-1 rated thermal current.
- 520 A AC-3 operational current at 400 V.
- 290 kW AC-3 motor switching capacity at 400 V.
- 440–480 V AC/DC operating coil.
- 1000 V rated insulation voltage.
- Screw mounting and bolt-type power terminals.
- Mirror contacts compliant with IEC/EN 60947-4-1.
- Suitable for industrial motor control and power switching.
Built for Heavy Industrial Switching
The Lovato B500 series is designed for switching high-current loads in industrial installations. Its robust contact system provides dependable operation for large motors, power distribution systems and demanding automation equipment while maintaining excellent electrical endurance.
With its high switching capacity, mirror contact design and durable mechanical construction, the 11B500400440 is well suited for industrial control panels, manufacturing facilities, energy systems and heavy machinery installations requiring reliable long-term operation.
Typical Applications
- Large industrial motor starters.
- Power distribution equipment.
- Industrial automation systems.
- Heavy machinery and production lines.
- HVAC and pumping installations.
- Mining and processing equipment.
- OEM electrical control panels.
