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.
11B4000024 Lovato b series 3 pole maxi contactor 420A 225kW 550A 24VAC/DC
Lovato 11B4000024 B400 three-pole power contactor with 24 V AC/DC coil designed for high-current industrial motor switching and automation applications.
Why Choose the Lovato 11B4000024 B400 Power Contactor?
The Lovato 11B4000024 is a heavy-duty three-pole power contactor designed for reliable switching and control of high-power electrical loads in industrial automation, motor control and power distribution systems. As part of the robust Lovato B400 contactor series, it provides dependable performance for demanding applications requiring high current capacity and long service life.
This contactor combines high electrical endurance with a versatile 24 V AC/DC coil, allowing flexible integration into modern control panels and industrial switchgear. Its compact screw-mounted design and durable construction make it suitable for professional motor starting and high-current switching applications.
With an AC-3 operational current rating of 420 A and motor switching capability up to 225 kW at 400 V AC, the Lovato 11B4000024 is designed for large industrial motors, machinery and electrical systems requiring reliable contact control.
Key Advantages
- Heavy-duty B400 series power contactor for industrial applications.
- 420 A AC-3 operational current rating for high-power motor switching.
- 550 A AC-1 thermal current rating for demanding electrical loads.
- Universal 24 V AC/DC coil for flexible control system integration.
- High mechanical endurance with up to 10 million operating cycles.
- Reliable screw terminal mounting for secure industrial installation.
Key Features
- Lovato B400 contactor series.
- Three-pole power contactor design.
- 24 V AC/DC control coil.
- 420 A AC-3 rated operational current.
- 225 kW rated motor power at 400 V AC.
- 550 A Ith conventional thermal current.
- Rated insulation voltage up to 1000 V.
- High reliability with long mechanical and electrical life.
Reliable High-Power Switching for Industrial Systems
Power contactors such as the Lovato 11B4000024 provide safe and efficient switching of electrical circuits by controlling high-current loads through an electrically operated coil. This allows motors and industrial equipment to be started, stopped and controlled from automation systems.
The Lovato B400 series is engineered for industrial environments where durability, high current capacity and dependable switching performance are essential. Its robust construction makes it suitable for large machinery, motor control centres and power distribution applications.
Typical Applications
- Large industrial motor starters.
- Motor control centres and switchboards.
- Industrial machinery and automation systems.
- Pumps, compressors and heavy-duty equipment.
- Manufacturing and processing plants.
- Power distribution and electrical control panels.
Technical Specifications
Tick the specs you need, then view products that match.
| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Power | 225 kW | |
| Current | 420 A | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 24 V AC, 24 V DC | |
| Device Type | Contactor | |
| Current AC-1 | 550 A | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | B400 | |
| Model | 11B4000024 | |
| Product type | Three-pole power contactor | |
| Number of poles | 3 | |
| Coil type | AC/DC coil | |
| Rated coil voltage | 24 V AC/DC | |
| Rated operational current AC-3 | 420 A | |
| Rated operational power AC-3 at 400 V | 225 kW | |
| Conventional thermal current Ith | 550 A | |
| Rated insulation voltage Ui | 1000 V | |
| Rated impulse withstand voltage Uimp | 8 kV | |
| Mounting type | Screw mounting | |
| Protection rating | IP00 | |
| Mechanical life | 10,000,000 cycles | |
| Electrical life | 700,000 cycles | |
| Operating temperature | -50 to +70 °C | |
| Weight | approx. 9.77 kg |
Frequently Asked Questions
What is the Lovato 11B4000024 used for?
The Lovato 11B4000024 is a three-pole power contactor used for switching and controlling high-current electrical loads, including industrial motors and machinery.
What coil voltage does this contactor use?
The contactor uses a versatile 24 V AC/DC coil for connection to industrial control systems.
What current rating does the Lovato 11B4000024 support?
The contactor supports up to 420 A AC-3 operational current and 550 A Ith thermal current.
How many poles does this contactor have?
The Lovato 11B4000024 is a three-pole contactor designed for three-phase electrical switching applications.
Where is this contactor typically installed?
The contactor is typically installed inside industrial control panels, motor control centres and electrical switchgear assemblies.
Trusted by Industrial Automation Professionals
Lovato B400 contactors are used in demanding industrial applications where reliable high-current switching, long service life and dependable motor control are required.
