11B63000380 Lovato b series 3 pole maxi contactor 630A 290kW 800A 400VAC/DC

Why Choose the Lovato 11B63000380 Three-Pole Maxi Contactor?

The Lovato 11B63000380 is an ultra high-capacity three-pole industrial maxi contactor engineered for switching extremely demanding motor loads and high-current industrial power circuits. Part of the Lovato B630 series, this contactor is specifically designed for critical industrial automation, power distribution and heavy-duty motor control applications where reliability and endurance are essential.

Featuring a versatile 380...415 VAC/DC universal control coil, the 11B63000380 simplifies control panel standardisation while reducing spare parts inventory requirements for OEMs, machine builders and industrial maintenance teams.

With a substantial AC-3 operational current rating of 630 A and motor switching capability up to approximately 355 kW at 400 V AC, the Lovato 11B63000380 is ideal for controlling very large motors, compressors, mining systems, pumping stations, HVAC infrastructure and major industrial process equipment.

Key Advantages

• Ultra heavy-duty three-pole industrial maxi contactor.
• 630 A AC-3 operational current rating.
• 355 kW motor switching capability at 400 V AC.
• 380...415 VAC/DC universal coil for flexible control integration.
• Designed for continuous-duty industrial switching applications.
• High electrical endurance for demanding industrial environments.
• Suitable for industrial automation, power distribution and heavy motor control systems.

Key Features

• Lovato B630 series maxi contactor.
• 3 normally open main poles.
• 380...415 VAC/DC control coil.
• AC-3 rating: 630 A.
• AC-1 thermal current: 800 A.
• 355 kW motor control at 400 V AC.
• Heavy-duty bolt terminal connections.
• Screw mounting construction for industrial panels.
• Mechanical interlock and accessory compatibility.
• Designed for industrial motor control centres and process systems.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: B630 Series Contactors
• Model: 11B63000380
• Alternative SKU: B63000380
• Product type: Three-pole contactor
• Number of poles: 3
• Main contacts: 3 NO
• AC-3 operational current: 630 A
• AC-1 thermal current: 800 A
• Motor power rating: 355 kW at 400 V AC
• Motor power rating at 690 V: 440 kW
• Control voltage: 380...415 VAC/DC
• Control frequency: 50/60 Hz
• Rated insulation voltage Ui: 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Rated operational voltage: up to 690 V AC
• Rated operation current AC-4 at 400 V: 210 A
• Short-time allowable current for 10 s: 5040 A
• Making capacity: 7200 A RMS
• Mechanical operating cycles: 1200 cycles/hour
• Mechanical life: 5 million operations
• Mounting type: Screw mounting
• Connection type: Bolt/screw terminals
• Terminal tightening torque: 55 Nm
• Operating temperature: -50 °C to +70 °C
• Storage temperature: -60 °C to +80 °C
• Maximum altitude: 3000 m
• Pollution degree: 3
• Width: approx. 194 mm
• Height: approx. 270 mm
• Depth: approx. 263 mm
• Weight: approx. 18.88 kg
• EAN: 8013975026694
• 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

Reliable Switching for Critical Industrial Systems

Industrial contactors such as the Lovato 11B63000380 are designed to safely switch extremely high-current electrical loads and very large three-phase motors within industrial automation systems. Their robust construction enables dependable operation under intensive switching cycles in harsh industrial environments including mining, manufacturing, infrastructure and process industries.

The universal AC/DC coil configuration increases flexibility for control engineers by allowing operation from both AC and DC control supplies. This simplifies industrial panel design while reducing maintenance complexity and spare stock requirements.

Typical Applications

• Large industrial motor starters and MCC systems.
• Mining and quarry process equipment.
• Heavy-duty compressors and pumping stations.
• Industrial HVAC and ventilation infrastructure.
• Conveyors and bulk material handling systems.
• Power distribution and switching systems.
• High-current industrial process machinery.

Trusted by Industrial Automation Professionals

Lovato B series maxi contactors are trusted worldwide for dependable ultra high-current switching, rugged industrial construction and reliable long-term operation in demanding automation systems.