11B25000440 – 3P CONTACTOR B250.00 440/480V

Q: What control voltage does this contactor require?

The integrated operating coil accepts 440–480V AC/DC control voltage.

Q: What is the AC-3 current rating?

The contactor has an IEC AC-3 operational current rating of 265A for demanding motor switching applications.

Q: How many poles does this contactor have?

This model features three main power poles for switching three-phase electrical loads.

Lovato 11B25000440 three-pole industrial contactor with 265 A AC-3 operational current rating and 440–480 V AC/DC control coil for heavy-duty industrial motor control and power switching applications.

SKU: 11B25000440Alt SKU: B25000440MPN: 11B25000440

List Price £1,921.62 ex VAT

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£1,921.62

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Manufacturer Lead Time

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Why Choose the Lovato 11B25000440 Contactor?

The Lovato 11B25000440 is a heavy-duty three-pole power contactor engineered for high-power motor control and industrial switching applications. Part of the advanced Lovato B250 contactor series, this model features a 440–480V AC/DC universal operating coil and is designed to deliver dependable switching performance in demanding industrial environments.

Designed for motor control centres, industrial switchboards and OEM machinery, the contactor combines exceptional electrical endurance with a robust screw-mounted construction. Its universal AC/DC coil simplifies panel design while providing compatibility with a wide range of industrial control systems.

With an IEC AC-3 operational current rating of 265A and an IEC AC-1 thermal current rating of 350A, the 11B25000440 is ideally suited for switching large three-phase motors and demanding industrial loads requiring long-term reliability.

Key Advantages

Heavy-duty 3-pole industrial power contactor.
265A IEC AC-3 motor switching capacity.
350A IEC AC-1 thermal current rating.
440–480V AC/DC universal operating coil.
High insulation performance with 1000V rated insulation voltage.
Designed for demanding industrial automation and motor control applications.

Key Features

Lovato B250 series contactor.
Three main power poles.
265A IEC AC-3 operational current.
350A IEC AC-1 thermal current.
440–480V AC/DC operating coil.
Screw terminal connections.
1000V rated insulation voltage (Ui).
Mechanical life up to 10 million operations.

Reliable High-Power Motor Control

The Lovato B250 series is engineered for reliable switching of large three-phase motors and high-current industrial loads. High-quality contacts, excellent insulation characteristics and robust construction ensure dependable performance while reducing maintenance requirements in demanding industrial environments.

Its universal AC/DC operating coil and heavy-duty construction make this contactor an excellent choice for OEM equipment, industrial machinery, power distribution systems and motor control centres requiring dependable long-term operation.

Typical Applications

Motor control centres.
Industrial control panels.
Heavy-duty manufacturing machinery.
Large pumps and compressors.
Material handling equipment.
Industrial power distribution systems.

Technical Specifications

Coil Voltage Range	380–440 V, 460–500 V
Current	265 A
Power	140 kW
Voltage	480 V
Phase	Three Phase
IP Rating	IP20
Series	B250
Product type	Three-pole industrial contactor
Rated operational current (AC-1 at 400 V)	350 A
Rated operational current (AC-3 at 400 V)	265 A
Rated operational current (AC-4 at 400 V)	92 A
Rated operational power at AC-3, 400 V	140 kW
Control coil voltage	440–480 V AC/DC
Voltage type for actuating	AC/DC
Maximum operational voltage	1000 V
Number of poles	3
Main contacts	3 NO
Type of coil	AC/DC coil
Mounting type	Screw mounting
Main circuit connection	Bolt connection
Protection rating	IP20 terminals
Weight	9580 g
Package dimensions	208 × 148 × 232 mm
EAN	8013975031001
HS Code	85365080
Certifications	CCC, EAC, cULus
Standards	IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-4-1
Poles	3-pole
Device Type	Contactor
Coil Type	AC/DC
Current AC-1	350 A

Frequently Asked Questions

What is the Lovato 11B25000440 used for?

It is designed for switching large three-phase motors and high-current industrial electrical loads in automation and power distribution systems.

What control voltage does this contactor require?

The integrated operating coil accepts 440–480V AC/DC control voltage.

What is the AC-3 current rating?

The contactor has an IEC AC-3 operational current rating of 265A for demanding motor switching applications.

How many poles does this contactor have?

This model features three main power poles for switching three-phase electrical loads.

Where is this contactor typically installed?

It is commonly installed in motor control centres, industrial switchboards, heavy-duty machinery and OEM automation equipment.

Trusted by Industrial Professionals Worldwide

Lovato Electric B250 contactors are trusted by machine builders, electrical panel manufacturers and industrial engineers for reliable high-current motor switching, robust construction and long operational life.

Coil Voltage Range	380–440 V, 460–500 V
Current	265 A
Power	140 kW
Voltage	480 V
Phase	Three Phase
IP Rating	IP20
Series	B250
Product type	Three-pole industrial contactor
Rated operational current (AC-1 at 400 V)	350 A
Rated operational current (AC-3 at 400 V)	265 A
Rated operational current (AC-4 at 400 V)	92 A
Rated operational power at AC-3, 400 V	140 kW
Control coil voltage	440–480 V AC/DC
Voltage type for actuating	AC/DC
Maximum operational voltage	1000 V
Number of poles	3
Main contacts	3 NO
Type of coil	AC/DC coil
Mounting type	Screw mounting
Main circuit connection	Bolt connection
Protection rating	IP20 terminals
Weight	9580 g
Package dimensions	208 × 148 × 232 mm
EAN	8013975031001
HS Code	85365080
Certifications	CCC, EAC, cULus
Standards	IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-4-1
Poles	3-pole
Device Type	Contactor
Coil Type	AC/DC
Current AC-1	350 A

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