11B40000110 Lovato b series 3 pole maxi contactor 420A 225kW 550A 110VAC/DC

11B40000110 Lovato b series 3 pole maxi contactor 420A 225kW 550A 110VAC/DC

Lovato 11B40000110 B400 three-pole power contactor with 110-125 V AC/DC coil and 420 A AC-3 rating for heavy-duty industrial motor control applications.

SKU: 11B40000110Alt SKU: B40000110MPN: 11B40000110
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List Price £2,924.73 ex VAT
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Why Choose the Lovato 11B40000110 B400 Contactor?

The Lovato 11B40000110 B400 is a heavy-duty three-pole power contactor designed for high-current motor switching, industrial power control and demanding automation applications. As part of the Lovato B series contactor range, it provides reliable electromagnetic switching for large motors, industrial machinery and high-power electrical systems.

This contactor features 3 normally open main power contacts and an AC/DC coil rated at 110–125 V, allowing flexible integration into industrial control systems. Its robust construction delivers high electrical performance for applications requiring dependable switching at elevated current levels.

With a rated operational current of 420 A at AC-3, a motor power rating of 225 kW at 400 V and a maximum thermal current of 550 A, the Lovato 11B40000110 is suitable for large motor starters, industrial switchgear and heavy-duty automation systems.

Key Advantages

  • Heavy-duty Lovato B400 power contactor for industrial switching applications.
  • 420 A AC-3 operational current rating for high-power motor control.
  • 110–125 V AC/DC coil supply for flexible control integration.
  • 3NO main contacts for reliable three-phase power switching.
  • High mechanical and electrical durability for demanding applications.
  • Suitable for industrial machinery, motor control centres and power systems.

Key Features

  • Lovato B400 contactor series.
  • Model 11B40000110.
  • Three-pole power contactor.
  • 3 normally open main contacts.
  • AC/DC coil operation.
  • 110–125 V AC/DC control voltage.
  • 420 A AC-3 rated current.
  • Screw fixing design.
  • Suitable for large motor switching applications.

Reliable High-Power Motor Switching for Industrial Systems

Power contactors are essential components in industrial electrical installations, allowing large motors and high-current loads to be switched safely and efficiently. The Lovato 11B40000110 provides robust electromagnetic switching performance for heavy-duty applications where reliability and long service life are required.

The Lovato B400 series is designed for industrial engineers, panel builders and OEM manufacturers requiring dependable contactors for large motors, production machinery and high-power control systems.

Typical Applications

  • Large industrial motor starters.
  • Motor control centres.
  • Heavy machinery and production equipment.
  • Pumps, compressors and industrial drives.
  • Power distribution and switching systems.
  • OEM industrial automation equipment.

Technical Specifications

Coil Voltage Range 100–130 V
Current 420 A
Power 225 kW
HS Code 85365080
Manufacturer Lovato Electric
Series B400 Contactors
Model 11B40000110
Product type Power contactor
Number of poles 3
Main contacts 3NO
Auxiliary contacts None
Coil / Supply Voltage 110–125 V AC/DC
Coil type AC/DC coil
Rated operational current AC-1 550 A
Rated operational current AC-3 420 A
Rated operational power AC-3 at 400 V 225 kW
Rated insulation voltage 1000 V
Rated impulse withstand voltage 8 kV
Mounting type Screw mounting
Terminal type Bolt connection
Protection rating IP00
Mechanical durability 10 million operations
Electrical durability 700,000 operations
Weight approx. 9.62 kg
Poles 3-pole
Coil / Supply Voltage 110 V AC, 110 V DC, 115 V AC, 120 V AC, 125 V DC
Device Type Contactor
Auxiliary Contacts None
Coil Type AC/DC
Current AC-1 550 A

Frequently Asked Questions

What is the Lovato 11B40000110 used for?

The Lovato 11B40000110 B400 is a heavy-duty three-phase contactor used for switching large motors and high-current industrial loads.

What coil voltage does this contactor require?

The contactor operates with an 110–125 V AC/DC coil.

What current rating does the Lovato 11B40000110 provide?

The contactor provides a rated operational current of 420 A AC-3 and a thermal current rating of 550 A.

How many main contacts are included?

The Lovato 11B40000110 includes 3 normally open main power contacts for three-phase switching.

How is this contactor installed?

The contactor is installed using screw mounting in industrial control panels and switchgear assemblies.

Trusted by Industrial Automation Engineers

Lovato B series contactors are widely used by machine builders and industrial engineers to provide reliable high-current switching solutions for demanding electrical systems.

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