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11B250400110 – 4P CONTACTOR B250.4.00 110/125
Lovato 11B250400110 heavy-duty three-pole industrial contactor with 265A AC3 operational current rating and 110V AC control coil for industrial motor control systems.
Why Choose the Lovato 11B250400110 Four-Pole Contactor?
The Lovato 11B250400110 is a heavy-duty four-pole power contactor engineered for demanding AC-1 switching applications involving resistive loads, lighting circuits and industrial power distribution. Part of the robust Lovato B250 contactor series, this model features a 110–125V AC/DC universal operating coil, delivering reliable switching performance and simplified integration into industrial control systems.
Designed for industrial control panels, switchboards and OEM equipment, the contactor combines high switching capacity with outstanding mechanical durability. Its universal AC/DC coil reduces the need for multiple coil variants while ensuring compatibility with both AC and DC control circuits.
With an IEC AC-1 thermal current rating of 350A, four normally open main contacts and a robust bolt-terminal design, the 11B250400110 is ideally suited for high-current resistive switching duties where dependable long-term performance is essential.
Key Advantages
- Heavy-duty 4-pole industrial power contactor.
- 350A IEC AC-1 thermal current rating.
- 110–125V AC/DC universal operating coil.
- Four normally open (4NO) main contacts.
- 1000V rated insulation voltage and 8kV impulse withstand voltage.
- Designed for demanding industrial control and power distribution applications.
Key Features
- Lovato B250 series contactor.
- Four main normally open poles (4NO).
- 350A IEC AC-1 thermal current.
- 110–125V AC/DC operating coil.
- Universal AC/DC control voltage.
- Bolt-connected main terminals.
- 1000V rated insulation voltage (Ui).
- Mechanical life up to 10 million operations.
Reliable High-Current Industrial Switching
The Lovato B250 four-pole contactor range is designed for reliable switching of high-current resistive loads and industrial power circuits. Robust contacts, high insulation ratings and durable construction ensure dependable operation in demanding electrical installations while minimising maintenance requirements.
Its four-pole configuration makes it particularly suitable for lighting control, heating equipment, power distribution systems and industrial installations requiring simultaneous switching of multiple conductors.
Typical Applications
- Industrial lighting control.
- Heating and resistive load switching.
- Power distribution systems.
- Industrial control panels.
- OEM machinery.
- Commercial electrical installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 4-pole | |
| Coil Voltage Range | 100–130 V | |
| Power | 140 kW | |
| Current | 265 A | |
| Voltage | 110 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 | 110 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 11B250400110 used for?
It is designed for switching high-current resistive loads, lighting circuits and industrial power distribution systems.
What control voltage does this contactor require?
The integrated operating coil accepts 110–125V AC/DC control voltage.
How many poles does this contactor have?
This model features four normally open (4NO) main poles.
What is the current rating?
The contactor has an 350A IEC AC-1 thermal current rating for heavy-duty resistive load switching.
Where is this contactor typically installed?
It is commonly installed in industrial control panels, switchboards, lighting control systems and heavy-duty power distribution equipment.
Trusted by Industrial Professionals Worldwide
Lovato Electric B250 contactors are trusted by machine builders, electrical panel manufacturers and industrial engineers for reliable high-current switching, robust construction and long operational life.
