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11B25040024 – 4P CONTACTOR B250.4.00 24V
Lovato 11B25040024 heavy-duty three-pole industrial contactor with 265A AC3 operational current rating and 24V AC control coil for industrial motor control systems.
Why Choose the Lovato 11B25040024 Four-Pole Contactor?
The Lovato 11B25040024 is a heavy-duty four-pole power contactor engineered for reliable switching of high-current electrical loads in demanding industrial and commercial applications. Part of the trusted Lovato B250 contactor series, it is designed for OEM machine builders, panel manufacturers and industrial automation professionals requiring dependable power control.
Featuring a robust AC/DC control coil, this contactor delivers excellent electrical endurance, reliable switching performance and long mechanical life. Its compact yet durable construction makes it suitable for motor control, resistive loads, heating systems and power distribution equipment.
With an AC-1 thermal current rating of 350 A, four normally open (4NO) main poles and a 24 V AC/DC control coil, the 11B25040024 provides dependable performance for demanding switching applications across industrial installations.
Key Advantages
- Heavy-duty four-pole industrial contactor.
- 350 A AC-1 rated thermal current for demanding applications.
- 24 V AC/DC control coil for flexible installation.
- Designed for switching resistive and industrial power loads.
- Long mechanical and electrical service life.
- Reliable operation in industrial automation and power control systems.
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.
- 24 V AC/DC operating coil.
- Rated insulation voltage of 1000 V.
- Suitable for screw/panel mounting.
- High electrical and mechanical durability.
Reliable Industrial Power Switching
The Lovato B250 series has been developed for demanding industrial environments where high-current switching reliability is essential. Its robust contact design provides dependable operation while helping minimise downtime and maintenance requirements.
The integrated AC/DC coil simplifies panel design by allowing operation from either AC or DC control circuits. Combined with high switching capacity and long service life, the contactor is ideal for modern automation systems, motor control panels and heavy electrical installations.
Typical Applications
- Industrial motor control centres.
- Power distribution systems.
- Heating and resistive load switching.
- HVAC equipment.
- Machine building and OEM equipment.
- Industrial control panels and switchboards.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 4-pole | |
| Coil Voltage Range | 24 V | |
| Power | 140 kW | |
| Current | 265 A | |
| Voltage | 24 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 | 24 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 11B25040024 used for?
It is a four-pole industrial power contactor designed for switching high-current electrical loads in industrial automation and power distribution systems.
How many poles does this contactor have?
The contactor features four normally open (4NO) main poles.
What control voltage does the coil require?
The integrated control coil operates from 24 V AC or 24 V DC.
What current rating does this contactor support?
The contactor has a conventional thermal current rating of 350 A (AC-1).
Where is the Lovato 11B25040024 commonly installed?
It is typically installed inside industrial control panels, switchboards, motor control centres and heavy-duty automation equipment.
Trusted by Industrial Professionals Worldwide
Lovato B250 contactors are widely used by electrical engineers, OEMs and panel builders for dependable high-current switching, long operational life and reliable performance in demanding industrial environments.
