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11B40000440 - 3P CONTACTOR B400.00 440/480V

MPN: 11B40000440

Alt. SKU: B40000440

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Why Choose the Lovato 11B40000440 Three-Pole Contactor?

The Lovato 11B40000440 is a heavy-duty three-pole industrial contactor engineered for reliable switching and control of extremely high-current electrical loads in industrial automation, motor control and power distribution systems. As part of the powerful Lovato B400 series, this industrial-grade contactor is designed for demanding applications requiring exceptional electrical endurance, dependable switching performance and robust AC/DC coil technology.

Manufactured for continuous-duty industrial environments, the contactor features a durable electromechanical construction capable of handling intensive switching operations and large industrial motor loads. Its advanced contact system provides stable switching performance for industrial motors, compressors, pumps and large automation systems operating in challenging electrical conditions.

With an IEC AC3 operational current rating of 420 A, three normally open power poles and a 440...480 V AC/DC universal control coil, the Lovato 11B40000440 is ideal for heavy industrial motor starters, power switching systems, conveyor systems and process automation equipment. Its heavy-duty bolt terminal construction and screw mounting arrangement provide secure installation inside industrial electrical cabinets and motor control centres.

Key Advantages

  • Heavy-duty three-pole contactor for industrial motor switching.
  • 420 A AC3 operational current rating for demanding industrial loads.
  • 440...480 V AC/DC universal control coil for flexible industrial integration.
  • 550 A AC1 thermal current rating for high-current switching applications.
  • 3 NO contact configuration for industrial motor and power switching.
  • Designed for industrial automation and heavy-duty process control systems.

Key Features

  • Lovato B400 series contactor.
  • Three-pole industrial contactor.
  • 420 A IEC AC3 operational current.
  • 225 kW rated operational power at 400 V.
  • 440...480 V AC/DC control coil.
  • 3 NO power contacts.
  • Bolt terminal connections.
  • Heavy-duty industrial switching construction.

Technical Specifications

  • Manufacturer: Lovato Electric
  • Series: B400 Contactors
  • Model: 11B40000440
  • Product type: Three-pole industrial contactor
  • Number of poles: 3
  • Contact configuration: 3 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: 440...480 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. 9.45 kg
  • Dimensions: approx. 208 × 148 × 232 mm
  • EAN: 8013975026649
  • 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

Reliable High-Current Motor Switching for Industrial Systems

Industrial contactors such as the Lovato 11B40000440 are designed to safely switch and control high-current electrical circuits in demanding industrial environments. Their heavy-duty contact systems support reliable operation in applications involving large motors, industrial automation systems and heavy process equipment.

The Lovato B400 contactor series is widely used in industrial automation, power distribution panels, HVAC systems and heavy-duty process control applications where dependable high-current switching and long operational life are essential. Its robust contact design and AC/DC coil technology provide stable operation across a wide range of industrial control applications.

Typical Applications

  • Industrial motor starters and MCC systems.
  • Heavy-duty pumps and compressors.
  • Industrial HVAC and ventilation systems.
  • Conveyor and material handling systems.
  • Power distribution and switching systems.
  • OEM machinery and industrial automation equipment.

Frequently Asked Questions

What is the Lovato 11B40000440 used for?

This contactor is used for switching and controlling high-current industrial motors, automation systems and heavy-duty electrical loads.

What control voltage does the contactor require?

The unit operates using a 440...480 V AC/DC universal control coil.

How many poles does this contactor have?

The contactor features three normally open (3 NO) power poles.

What is the operational current rating?

The contactor has a 420 A AC3 operational current rating and a 550 A AC1 thermal current rating.

Where is this contactor typically installed?

The contactor is commonly installed inside industrial electrical cabinets, motor control centres and automation control panels.

Trusted by Industrial Automation Engineers

Lovato B-series contactors are trusted worldwide in industrial automation and motor control systems for dependable high-current switching, operational durability and flexible industrial integration.
More Information
Manufacturer Part Number 11B40000440
Manufacturer Lovato
HS Code 85365080
Barcode 8013975026649
Alternative Product SKU B40000440
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