Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
11B14540024 – 4P CONTACTOR B145.4.00 24V
Lovato 11B14540024 four-pole industrial contactor with 250 A AC-1 current rating and 24 V AC/DC coil for industrial automation and power switching applications.
Why Choose the Lovato 11B14540024 Four-Pole Power Contactor?
The Lovato 11B14540024 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. Part of the robust Lovato B145 contactor series, it provides outstanding switching performance, long mechanical life and dependable operation in demanding industrial environments.
Built with durable contact materials and a powerful electromagnetic operating mechanism, this contactor is ideal for OEM machine builders, switchboard manufacturers and maintenance engineers requiring consistent operation under frequent switching conditions. The integrated 24 V AC/DC control coil offers excellent flexibility for modern industrial control systems.
With a 250 A AC-1 thermal current rating, a 150 A AC-3 operational current, four normally open (4NO) main poles and a 24 V AC/DC operating coil, the 11B14540024 is perfectly suited for switching large motors, heating circuits and industrial power loads. Its screw-mounted construction enables secure installation within electrical panels and switchgear assemblies.
Key Advantages
- Heavy-duty four-pole industrial contactor for demanding switching applications.
- 250 A AC-1 thermal current with 150 A AC-3 operational rating.
- 24 V AC/DC control coil suitable for modern automation systems.
- Four normally open (4NO) main contacts.
- Long electrical and mechanical service life.
- Ideal for industrial automation, motor control and power distribution.
Key Features
- Lovato B145 power contactor series.
- Four-pole (4NO) configuration.
- 250 A conventional thermal current (AC-1).
- 150 A operational current (AC-3).
- 24 V AC/DC operating coil.
- 1000 V rated insulation voltage (Ui).
- 690 V maximum operational voltage.
- Heavy-duty screw terminal connections.
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 maximising equipment uptime.
The 11B14540024 is designed for installation within industrial control panels, OEM machinery, motor control centres and power distribution equipment where reliable switching and long operating life are essential.
Typical Applications
- Industrial motor starters and motor control centres.
- Power distribution and switching equipment.
- Industrial automation systems.
- HVAC installations and compressor control.
- Pumps, conveyors and manufacturing machinery.
- OEM electrical control panels and switchboards.
Technical Specifications
Tick the specs you need, then view products that match.
| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Power | 80 kW | |
| Current | 150 A | |
| Voltage | 24 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-3 400 V) | 150 A | |
| Maximum operational voltage | 690 V AC | |
| Control coil voltage | 24 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. 6.4 kg | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B14540024 used for?
This contactor is designed for switching high-current motors and industrial electrical loads within automation, motor control and power distribution systems.
How many poles does this contactor have?
The contactor features a four-pole (4NO) configuration.
What control voltage does this model require?
The operating coil is rated for 24 V AC/DC, making it suitable for a wide variety of industrial control circuits.
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 typically installed inside industrial control panels, switchboards, motor control centres and OEM machinery.
Trusted by Industrial Engineers Worldwide
Lovato power contactors are trusted worldwide by machine builders, panel manufacturers and industrial engineers for reliable switching performance, robust construction and long operational life.
