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11B125024220 – 3P CONTACTOR B1250.24 220/240
Lovato 11B125024220 heavy-duty three-pole industrial contactor with 220–240 V AC coil, 1250 A AC1 operational current rating and integrated 2NO + 4NC auxiliary contacts for industrial power switching applications.
Why Choose the Lovato 11B125024220 B1250 Power Contactor?
The Lovato 11B125024220 is a heavy-duty three-pole power contactor engineered for switching exceptionally high-current industrial electrical loads. Part of the robust Lovato B1250 contactor series, it features a 220–240 V AC 50/60 Hz operating coil and delivers a conventional free-air thermal current rating of 1250 A.
Designed for demanding industrial applications, the B1250 contactor combines outstanding switching capacity with long mechanical life and reliable electrical performance. Integrated 2NO + 4NC auxiliary contacts provide additional signalling, feedback and interlocking functionality, making the contactor ideal for complex automation systems and industrial power distribution.
With an AC-1 operational current of 1250 A at 40°C, a rated insulation voltage of 1000 V and an impulse withstand voltage of 8 kV, the 11B125024220 is suitable for high-power switchboards, industrial heating equipment, power distribution systems and heavy-duty process machinery.
Key Advantages
- Heavy-duty three-pole contactor for high-current industrial switching.
- 1250 A IEC AC-1 operating current at temperatures up to 40°C.
- 220–240 V AC 50/60 Hz operating coil.
- Integrated 2 normally open and 4 normally closed auxiliary contacts.
- 1000 V rated insulation voltage for demanding industrial installations.
- High making and breaking capacity for reliable heavy-load switching.
Key Features
- Lovato B1250 power contactor series.
- Three main power poles.
- 1250 A conventional thermal current (Ith).
- 220–240 V AC control coil.
- 50/60 Hz coil frequency.
- 2NO + 4NC integrated auxiliary contacts.
- 6300 A RMS making capacity.
- 8 kV impulse withstand voltage.
- Screw-mounted construction for industrial switchboards.
Reliable High-Current Power Control
The Lovato B1250 series is designed to switch very high-current industrial loads safely and efficiently. Its substantial AC-1 current rating makes it suitable for industrial heating systems, resistive loads, power-distribution equipment and other demanding electrical applications.
Integrated auxiliary contacts simplify control logic, status monitoring and interlocking within industrial automation systems. Combined with high making and breaking capacities, the contactor delivers dependable long-term operation in heavy industrial environments.
Typical Applications
- Industrial power distribution systems.
- High-current switchboards.
- Industrial heating equipment.
- Heavy manufacturing machinery.
- Energy management and process control systems.
- OEM electrical control panels.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 200–250 V | |
| Power | 500 kW | |
| Current | 1250 A | |
| Voltage | 240 V | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 220 V AC, 230 V AC, 240 V AC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 2NO + 4NC | |
| Coil Type | AC | |
| Current AC-1 | 1250 A | |
| Series | B1250 Contactors | |
| Product type | Three-pole contactor | |
| Number of poles | 3 | |
| Type of coil | AC coil 50/60 Hz | |
| Coil / Supply Voltage | 220–240 V AC | |
| IEC operational current Ith (AC1) | 1250 A | |
| Integrated auxiliary contacts | 2NO + 4NC | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 8 kV | |
| Mounting type | Screw mounting | |
| Terminal type | Screw terminals | |
| Supply frequency | 50/60 Hz | |
| Mechanical life | approx. 5,000,000 operations | |
| Operating temperature | -50 °C to +60 °C | |
| Maximum altitude | 3000 m | |
| Pollution degree | 3 | |
| Weight | approx. 48.2 kg | |
| Package dimensions | approx. 542 × 362 × 290 mm | |
| EAN | 8013975045596 | |
| HS code | 85365080 | |
| Compliance standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B125024220 used for?
It is used for switching very high-current industrial electrical loads in power distribution, industrial heating and automation systems.
What is the current rating of this contactor?
The contactor has a conventional thermal current and AC-1 operating current rating of 1250 A at 40°C.
What control voltage does the contactor require?
The operating coil is designed for a 220–240 V AC 50/60 Hz control supply.
Does this contactor include auxiliary contacts?
Yes. It includes 2 normally open and 4 normally closed auxiliary contacts for signalling, feedback and electrical interlocking.
Where is this contactor typically installed?
It is typically installed inside industrial switchboards, electrical control panels and heavy-duty power distribution systems.
Trusted for Heavy Industrial Power Switching
Lovato Electric B1250 contactors are trusted by industrial panel builders, OEMs and electrical engineers for reliable high-current switching, robust construction and dependable long-term performance.
