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11B250400380 – 4P CONTACTOR B250.4.00 380/415
Lovato 11B250400380 heavy-duty three-pole industrial contactor with 265A AC3 operational current rating and 380V AC control coil for industrial motor control systems.
Why Choose the Lovato 11B250400380 Four-Pole Contactor?
The Lovato 11B250400380 is a heavy-duty four-pole power contactor designed for dependable switching of high-current electrical loads in demanding industrial and commercial applications. As part of the robust Lovato B250 contactor series, it is engineered for OEM machine builders, panel manufacturers and industrial automation professionals requiring reliable power control.
This industrial contactor combines a durable contact system with a 380–415 V AC/DC control coil, delivering reliable switching performance, long mechanical life and excellent electrical endurance. Its rugged construction makes it ideal for motor control, power distribution, heating equipment and heavy-duty industrial installations.
With an AC-1 thermal current rating of 350 A, four normally open (4NO) main poles and a 380–415 V AC/DC operating coil, the 11B250400380 provides dependable switching performance for demanding industrial power applications.
Key Advantages
- Heavy-duty four-pole industrial contactor.
- 350 A AC-1 thermal current rating for demanding switching duties.
- 380–415 V AC/DC control coil for industrial control systems.
- Suitable for switching motors, resistive loads and power circuits.
- Long mechanical and electrical operating life.
- Designed for reliable operation in demanding industrial environments.
Key Features
- Lovato B250 Series.
- Four normally open (4NO) power contacts.
- 350 A AC-1 rated current.
- 265 A AC-3 operational current at 400 V.
- 380–415 V AC/DC operating coil.
- 1000 V rated insulation voltage (Ui).
- 8 kV impulse withstand voltage (Uimp).
- Screw-mounted industrial construction.
Reliable Industrial Power Switching
The Lovato B250 series is engineered for demanding industrial installations where dependable high-current switching is essential. Its robust contact system delivers reliable operation while helping reduce maintenance and maximise equipment uptime.
The integrated AC/DC control coil provides installation flexibility across a wide range of industrial control systems. Combined with high switching capacity and long operational life, the contactor is ideal for modern automation panels, motor control centres and industrial power distribution equipment.
Typical Applications
- Industrial motor control centres.
- Power distribution switchboards.
- Heating and resistive load control.
- HVAC systems.
- OEM machinery and automation equipment.
- Industrial control panels.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 4-pole | |
| Coil Voltage Range | 380–440 V | |
| Power | 140 kW | |
| Current | 265 A | |
| Voltage | 380 V | |
| Phase | Three Phase | |
| Device Type | Contactor | |
| Coil Type | AC | |
| Number of poles | 4 | |
| Series | B250 Contactors | |
| Product type | Three-pole contactor | |
| Operational current (AC3) | 265 A | |
| Rated operational power at 400 V AC3 | 140 kW | |
| Control coil voltage | 380 V AC | |
| Coil frequency | 50 / 60 Hz | |
| Main contacts | 3 NO | |
| Insulation voltage | 690 V | |
| Mounting type | Panel / screw mounting | |
| Terminal type | Screw terminals | |
| Operating temperature | approx. -50 °C to +70 °C | |
| Weight | approx. 9.1 kg | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B250400380 used for?
It is a four-pole industrial power contactor designed for switching high-current electrical loads in industrial automation, power distribution and motor control applications.
How many poles does this contactor have?
The contactor features four normally open (4NO) main power contacts.
What control voltage does the coil require?
The integrated operating coil is designed for 380–415 V AC/DC control voltage.
What current rating does this contactor support?
The contactor has a conventional thermal current rating of 350 A (AC-1) and an AC-3 operational current of 265 A at 400 V.
Where is the Lovato 11B250400380 typically installed?
It is commonly installed inside industrial control panels, switchboards, motor control centres and heavy-duty automation equipment.
Trusted by Industrial Professionals Worldwide
Lovato B250 power contactors are trusted by electrical engineers, machine builders and panel manufacturers for dependable high-current switching, long service life and reliable industrial performance.
