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.
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.
Technical Specifications
Power
355 kW
Current
630 A
Voltage
415 V
Phase
Three Phase
Series
B630 Series Contactors
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
Frequently Asked Questions
What is the Lovato 11B63000380 used for?
The 11B63000380 is a heavy-duty three-pole contactor designed for switching extremely high-power three-phase motors and industrial electrical loads.
What is the AC-3 current rating of the 11B63000380?
The contactor has an AC-3 operational current rating of 630 A.
What coil voltage does the 11B63000380 use?
The contactor uses a 380...415 VAC/DC universal coil, allowing operation from either AC or DC control supplies.
What motor size can this contactor control?
The 11B63000380 is suitable for motors up to approximately 355 kW at 400 V AC.
Is the 11B63000380 suitable for harsh industrial environments?
Yes, it is designed for demanding industrial automation, mining, power distribution and high-current switching applications.
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.
Power
355 kW
Current
630 A
Voltage
415 V
Phase
Three Phase
Series
B630 Series Contactors
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
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...