11B630400440 - 4P CONTACTOR B630.4.00 440- 480V

Why Choose the Lovato 11B630400440 Contactor?

The Lovato 11B630400440 is a powerful four-pole industrial contactor engineered for high-current switching and reliable motor control in demanding industrial power applications. Part of the advanced Lovato B630 series, this contactor is specifically designed for heavy-duty switching systems, industrial automation and large motor control installations where high operational reliability and long service life are essential.

Featuring a durable 440–480 V AC/DC operating coil and a robust 4 NO pole configuration, the contactor delivers dependable performance in continuous industrial operation. Its industrial-grade construction and high switching capability make it suitable for integration into motor control centres, industrial distribution systems and OEM machine control panels.

With an impressive 800 A IEC AC1 operational current rating and 630 A AC3 rating at 400 V, the 11B630400440 is ideal for controlling large motors, compressors, HVAC systems, industrial pumps and heavy machinery. The unit is designed for screw mounting and complies with major international industrial switching standards.

Key Advantages

• Heavy-duty four-pole industrial contactor for high-current switching applications.
• 800 A AC1 operational current rating for demanding industrial systems.
• 440–480 V AC/DC operating coil compatible with industrial automation systems.
• 4 NO main contacts for advanced switching flexibility.
• High electrical endurance for long operational life.
• Suitable for industrial motor control and power distribution systems.

Key Features

• Lovato B630 series industrial contactor.
• Four-pole switching configuration.
• 4 NO main contacts.
• 800 A IEC AC1 operational current.
• 630 A / 355 kW AC3 rating at 400 V.
• 440–480 V AC/DC coil voltage.
• Heavy-duty industrial switching contacts.
• 5 million mechanical operating cycles.
• Suitable for industrial automation and motor control systems.
• Screw mounting installation.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: B630 Contactors
• Model: 11B630400440
• Product type: Four-pole power contactor
• Number of poles: 4
• Main contact configuration: 4 NO
• IEC conventional free air thermal current Ith: 800 A
• IEC operational current and power Ie (AC3) 400 V: 630 A / 355 kW
• Type of coil: AC/DC coil
• Rated coil voltage: 440–480 V AC/DC
• Rated insulation voltage Ui: 690 V
• Rated impulse withstand voltage Uimp: 8 kV
• Operational frequency: 50 / 60 Hz
• Mounting type: Screw mounting
• Connection type: Bolt/screw terminals
• Width: Approx. 259 mm
• Height: Approx. 270 mm
• Depth: Approx. 263 mm
• Operating temperature: -50 °C to +70 °C
• Mechanical operating cycles: 5,000,000
• Weight: Approx. 21.9 kg
• EAN: 8013975026601
• HS Code: 85365080
• Compliance 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
• Certifications: cULus, CCC, EAC, UKCA

Reliable High-Current Switching for Industrial Applications

Industrial contactors such as the Lovato 11B630400440 are designed to safely switch and control high-current electrical loads in demanding industrial environments. Their heavy-duty switching systems provide dependable motor control performance while helping reduce electrical wear and improve operational reliability.

The B630 series is specifically developed for large industrial motors and automation systems requiring exceptional electrical switching capability and long operational endurance. Its four-pole configuration provides additional flexibility for industrial power switching applications.

Typical Applications

• Industrial motor control centres.
• Large compressors and pumping stations.
• Industrial HVAC and ventilation systems.
• Heavy-duty conveyors and manufacturing machinery.
• Industrial power switching systems.
• OEM automation and control panels.

Trusted by Industrial Automation Engineers Worldwide

Lovato B630 industrial contactors are trusted worldwide for dependable high-current switching, excellent operational life and reliable performance in demanding industrial environments.