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11B125024110 – 3P CONTACTOR B1250.24.110-125V
Lovato 11B125024110 heavy-duty three-pole industrial contactor with 110–125 V AC coil, 1250 A AC1 operational current rating and integrated 2NO + 4NC auxiliary contacts for industrial power switching applications.
Why Choose the Lovato 11B125024110 B1250 Power Contactor?
The Lovato 11B125024110 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 provides a conventional free-air thermal current rating of 1250 A and uses a 110–125 V AC, 50/60 Hz control coil.
Designed for demanding industrial installations, the B1250 contactor combines substantial switching capacity with reliable mechanical and electrical performance. Its integrated 2NO + 4NC auxiliary contacts provide additional signalling, interlocking and control options, helping simplify integration into complex automation and power-control systems.
With an AC-1 operational current of 1250 A at temperatures up to 40°C, a rated insulation voltage of 1000 V and an impulse withstand voltage of 8 kV, the 11B125024110 is suited to high-power control panels, industrial distribution systems and heavy machinery requiring dependable three-phase load switching.
Key Advantages
- Heavy-duty three-pole contactor for high-current industrial loads.
- 1250 A IEC AC-1 thermal current rating at temperatures up to 40°C.
- 110–125 V AC, 50/60 Hz operating coil.
- Integrated 2 normally open and 4 normally closed auxiliary contacts.
- 1000 V rated insulation voltage for industrial power circuits.
- High making and breaking capacity for demanding switching duties.
Key Features
- Lovato B1250 power contactor series.
- Three main power poles.
- 1250 A conventional free-air thermal current.
- 110–125 V AC control coil.
- 50/60 Hz coil frequency.
- Built-in 2NO + 4NC auxiliary contact arrangement.
- 6300 A RMS making capacity.
- 8 kV rated impulse withstand voltage.
- Screw-mounted construction for secure industrial installation.
Reliable High-Current Power Control
Power contactors such as the Lovato 11B125024110 allow high-current industrial loads to be switched using a lower-power electrical control circuit. The contactor’s 1250 A AC-1 rating makes it suitable for controlling resistive loads, heating systems, power-distribution circuits and other demanding industrial equipment.
The built-in auxiliary contacts can be used for status indication, electrical interlocking and control-sequence feedback. Its high making and breaking capacities, long mechanical life and robust screw-mounted construction support dependable operation in heavy industrial control systems.
Typical Applications
- High-current industrial power-distribution panels.
- Industrial heating and resistive load systems.
- Heavy production and processing machinery.
- Power generation and energy-management equipment.
- Large automation and electrical control systems.
- OEM switchboards and industrial control panels.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Power | 500 kW | |
| Current | 1250 A | |
| Voltage | 125 V | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 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 | 110–125 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. 47.9 kg | |
| Package dimensions | approx. 542 × 362 × 290 mm | |
| EAN | 8013975045817 | |
| 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 11B125024110 used for?
It is used for switching high-current three-phase electrical loads in industrial power-control, distribution and automation systems.
What is the current rating of this contactor?
The contactor has a conventional free-air thermal and AC-1 operating current rating of 1250 A at temperatures up to 40°C.
What control voltage does the contactor require?
The operating coil is designed for a 110–125 V AC, 50/60 Hz control supply.
Does this contactor include auxiliary contacts?
Yes. The 11B125024110 includes 2 normally open and 4 normally closed auxiliary contacts for signalling, feedback and electrical interlocking.
How is the Lovato B1250 contactor installed?
The contactor uses heavy-duty screw mounting and is normally installed inside an appropriately rated industrial switchboard or electrical control enclosure.
Trusted for Heavy Industrial Power Switching
Lovato Electric B1250 contactors provide the high current capacity, robust construction and dependable switching performance required by panel builders, system integrators and industrial electrical engineers.
