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.
