Why Choose the Lovato 11B250400440 Four-Pole Contactor?
The Lovato 11B250400440 is a heavy-duty four-pole power contactor designed for reliable switching of high-current electrical loads in demanding industrial and commercial applications. Part of the trusted Lovato B250 contactor series, it is engineered for OEM machine builders, panel manufacturers and industrial automation professionals requiring dependable power control.
Featuring a robust 440–480 V AC/DC control coil, this contactor provides excellent electrical endurance, long mechanical life and reliable switching performance. Its heavy-duty construction makes it ideal for motor control, resistive loads, power distribution equipment and industrial automation systems.
With an AC-1 thermal current rating of 350 A, four normally open (4NO) main poles and a 440–480 V AC/DC operating coil, the 11B250400440 delivers dependable switching performance for demanding industrial installations.
Key Advantages
- Heavy-duty four-pole industrial contactor.
- 350 A AC-1 rated thermal current for demanding applications.
- 440–480 V AC/DC control coil for industrial control systems.
- Designed for switching motors, resistive loads and power circuits.
- Long mechanical and electrical operating life.
- Reliable performance in harsh industrial environments.
Key Features
- Lovato B250 Series.
- Four normally open (4NO) main contacts.
- 350 A AC-1 rated current.
- 265 A AC-3 operational current at 400 V.
- 440–480 V AC/DC operating coil.
- 1000 V rated insulation voltage (Ui).
- 8 kV impulse withstand voltage (Uimp).
- Heavy-duty screw-mounted construction.
Reliable Industrial Power Switching
The Lovato B250 series is designed for demanding industrial environments where dependable high-current switching is essential. Its durable contact system delivers long service life while helping reduce maintenance requirements and maximise equipment uptime.
With its integrated AC/DC operating coil and robust mechanical construction, the contactor integrates easily into industrial control panels, motor control centres and OEM machinery, delivering dependable switching performance under demanding operating conditions.
Typical Applications
- Industrial motor control centres.
- Power distribution systems.
- Heating and resistive load switching.
- HVAC equipment.
- OEM machinery and automation systems.
- Industrial control panels and switchboards.
