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11B145400380 – 4P CONTACTOR B145.4.00 380/415
Lovato 11B145400380 four-pole industrial contactor with 250 A AC-1 current rating and 380–415 V AC/DC coil for industrial automation and power switching applications.
Why Choose the Lovato 11B145400380 Four-Pole Power Contactor?
The Lovato 11B145400380 is a heavy-duty four-pole industrial power contactor designed for reliable switching of high-current electrical loads in motor control, power distribution and industrial automation systems. As part of the dependable Lovato B145 contactor series, it delivers outstanding switching performance, long mechanical life and reliable operation in demanding industrial environments.
Designed for OEM machine builders, switchboard manufacturers and industrial maintenance professionals, this power contactor combines durable contact materials with a robust electromagnetic operating mechanism to provide dependable switching under continuous industrial use. Its 380–415 V AC/DC operating coil offers flexibility for higher-voltage control circuits used throughout industrial facilities.
With a 250 A AC-1 thermal current rating, a 150 A AC-3 operational current, four normally open (4NO) main poles and a 380–415 V AC/DC control coil, the 11B145400380 is ideal for switching large motors, resistive loads and industrial power circuits. Its screw-mounted construction allows secure installation inside electrical panels and switchgear assemblies.
Key Advantages
- Heavy-duty four-pole industrial contactor for demanding switching duties.
- 250 A AC-1 thermal current with 150 A AC-3 operational rating.
- 380–415 V AC/DC control coil for industrial high-voltage control circuits.
- Four normally open (4NO) main contacts.
- Excellent electrical and mechanical endurance.
- Suitable for motor control, automation and power distribution systems.
Key Features
- Lovato B145 power contactor series.
- Four-pole (4NO) configuration.
- 250 A conventional thermal current (AC-1).
- 150 A operational current (AC-3).
- 380–415 V AC/DC operating coil.
- 1000 V rated insulation voltage (Ui).
- 690 V maximum operational voltage.
- Heavy-duty screw terminal construction.
Reliable Switching for Industrial Power Systems
Industrial contactors such as the Lovato B145 series provide dependable switching of motors, heating equipment and high-current electrical circuits. Their robust construction ensures reliable performance while reducing maintenance requirements and helping maximise equipment uptime.
The 11B145400380 is suitable for installation within industrial control panels, motor control centres, OEM machinery and power distribution equipment where reliable high-current switching is essential.
Typical Applications
- Industrial motor starters and motor control centres.
- Power distribution and switching equipment.
- Industrial automation systems.
- HVAC plants and compressor control.
- Pumps, conveyors and manufacturing machinery.
- OEM electrical control panels and switchboards.
Technical Specifications
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| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 380–440 V | |
| Power | 80 kW | |
| Current | 150 A | |
| Voltage | 415 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Current AC-1 | 250 A | |
| Series | B145 | |
| Product type | Four-pole industrial contactor | |
| Rated thermal current (AC-1) | 250 A | |
| Rated operational current (AC-3 at 400 V) | 150 A | |
| Rated operational current (AC-4 at 400 V) | 57 A | |
| Maximum operational voltage | 690 V AC | |
| Control coil voltage | 380–415 V AC/DC | |
| Number of poles | 4 | |
| Main contacts | 4 NO | |
| Rated motor power at 400 V AC-3 | 80 kW | |
| Mounting type | Screw mounting | |
| Protection rating | IP20 terminals | |
| Operating temperature | -50 °C to +70 °C | |
| Weight | approx. 6.33 kg | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B145400380 used for?
This contactor is designed for switching high-current motors and industrial electrical loads in automation, motor control and power distribution applications.
How many poles does this contactor have?
The contactor features a four-pole (4NO) configuration.
What control voltage does this model require?
The integrated operating coil is rated for 380–415 V AC/DC.
What current rating does the contactor support?
It provides a 250 A AC-1 thermal current rating and a 150 A AC-3 operational current rating.
Where is this contactor typically installed?
It is commonly installed inside industrial control panels, switchboards, motor control centres and OEM machinery.
Trusted by Industrial Engineers Worldwide
Lovato power contactors are trusted by OEM manufacturers, panel builders and industrial engineers for dependable switching performance, robust construction and long operational service life.
