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.
11B400400220 – 4P CONTACTOR B400.4.00 220/240
Lovato 11B400400220 four-pole industrial contactor with 550A AC1 thermal current rating, 420A AC3 operational current and 220…240V AC/DC universal control coil for industrial automation and motor control systems.
Why Choose the LOVATO Electric 11B400400220 Four-Pole Contactor?
The LOVATO Electric 11B400400220 is a heavy-duty four-pole industrial power contactor designed for reliable switching of high-current electrical loads. Part of the robust LOVATO B400 contactor series, it offers a conventional free-air thermal current rating of 550 A (AC-1) and an operational current of 420 A (AC-3), making it ideal for demanding industrial motor control, power distribution and automation systems.
Equipped with a versatile 220–240 V AC/DC control coil, this contactor integrates easily into both AC and DC control circuits. Its four-pole configuration enables simultaneous switching of four conductors, making it particularly suitable for applications requiring neutral switching or complete isolation of three-phase power circuits.
Designed for dependable long-term operation, the 11B400400220 combines a robust screw-mounted construction, high insulation performance and long mechanical life with compliance to major IEC, UL and CSA standards, ensuring reliable performance in industrial control panels, switchboards and OEM machinery.
Key Advantages
- Heavy-duty four-pole industrial contactor.
- 550 A AC-1 thermal current rating.
- 420 A AC-3 operational current for demanding motor applications.
- 220–240 V AC/DC control coil for flexible control systems.
- Suitable for motors up to 225 kW at 400 V AC-3.
- Long mechanical life with robust industrial construction.
Key Features
- LOVATO B400 industrial contactor series.
- Four normally open main power poles.
- 550 A conventional thermal current (AC-1).
- 420 A AC-3 operational current.
- 200 A AC-4 operational current at 400 V.
- 220–240 V AC/DC control coil.
- 225 kW motor rating at 400 V AC-3.
- Mechanical life up to 10 million operations.
Reliable Four-Pole Industrial Switching
Four-pole contactors provide safe switching of high-current electrical circuits using a low-power control signal. They enable PLCs, relays, pushbuttons and automation controllers to operate industrial loads while maintaining electrical isolation between the control and power circuits.
The LOVATO B400 series is engineered for demanding industrial environments where high current capacity, dependable switching and long service life are essential. Its four-pole configuration makes it ideal for power distribution, neutral switching and heavy-duty motor control applications.
Typical Applications
- Industrial motor control centres.
- Power distribution panels.
- Heating and resistive load switching.
- Industrial switchboards.
- OEM machinery.
- Process automation equipment.
- Three-phase systems with neutral switching.
- Heavy industrial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Bar / bolt | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 200–250 V | |
| Power | 225 kW | |
| Current | 420 A | |
| Voltage | 240 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Current AC-1 | 550 A | |
| Series | B400 Contactors | |
| Product type | Four-pole industrial contactor | |
| Number of poles | 4 | |
| Contact configuration | 4 NO | |
| IEC thermal current Ith (AC1) | 550 A | |
| Operational current AC3 at 400 V | 420 A | |
| Rated operational power AC3 at 400 V | 225 kW | |
| UL/CSA horsepower rating at 480 V | 350 HP | |
| Control coil voltage | 220...240 V AC/DC | |
| Type of coil | AC/DC universal coil | |
| Rated insulation voltage | 690 V | |
| Impulse withstand voltage | 8 kV | |
| Supply frequency | 50/60 Hz | |
| Mounting type | Screw mounting | |
| Terminal type | Bolt connection | |
| Protection rating | IP20 | |
| Operating temperature | -50 °C to +70 °C | |
| Weight | approx. 11.12 kg | |
| Dimensions | approx. 208 × 196 × 227 mm | |
| EAN | 8013975026717 | |
| HS code | 85365080 | |
| Compliance | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 n° 60947-1, CSA C22.2 n° 60947-4-1 |
Frequently Asked Questions
What is the LOVATO Electric 11B400400220 used for?
It is used for switching high-current four-pole electrical circuits in industrial motor control, power distribution and automation systems.
What current rating does this contactor have?
It offers a conventional thermal current rating of 550 A (AC-1) and an operational current of 420 A (AC-3).
What control voltage does the contactor use?
This model is equipped with a 220–240 V AC/DC control coil.
How many poles does this contactor have?
The 11B400400220 has four normally open main poles, allowing simultaneous switching of four conductors.
Where is this contactor typically installed?
It is commonly installed in industrial control panels, switchboards, motor control centres and heavy-duty automation systems.
Trusted for Heavy-Duty Industrial Control
LOVATO Electric B400 contactors are trusted worldwide by panel builders, OEM manufacturers and industrial engineers for dependable switching performance, high current capability and long operating life in demanding industrial environments.
