Lovato 11B500L00380380 heavy-duty three-pole industrial contactor with integrated G495 mechanical latch, 520 A AC3 operational current rating, 380–415 V AC/DC operating coil and 380–415 V AC latch control for industrial motor control and power switching applications.
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Why Choose the Lovato 11B500L00380380 Power Contactor?
The Lovato 11B500L00380380 is a heavy-duty 3-pole power contactor with an integrated mechanical latch engineered for demanding industrial motor control and power switching applications. As part of the proven Lovato B500 contactor series, it delivers reliable high-current switching while maintaining its contact position mechanically without continuous coil energisation.
This version is supplied with a 380–415 V AC/DC universal operating coil and a factory-fitted G495 mechanical latch (380–415 V AC), making it ideal for applications requiring maintained contact operation, reduced control power consumption and dependable long-term performance.
With an IEC AC-1 thermal current rating of 700 A, an AC-3 operational current of 520 A at 400 V, and the capability to switch motors up to 290 kW, the 11B500L00380380 is designed for reliable operation in demanding industrial environments.
Key Advantages
Heavy-duty 3-pole industrial power contactor.
Factory-fitted G495 mechanical latch (380–415 V AC).
700 A IEC AC-1 thermal current rating.
520 A AC-3 operational current at 400 V.
380–415 V AC/DC universal control coil.
Excellent electrical and mechanical endurance.
Ideal for industrial motor control, automation and power distribution.
Key Features
Lovato B500 Series power contactor.
3 normally open (3 NO) main poles.
Integrated G495 mechanical latch (380–415 V AC).
700 A IEC AC-1 rated thermal current.
520 A AC-3 operational current at 400 V.
290 kW AC-3 motor switching capacity at 400 V.
380–415 V AC/DC operating coil.
1000 V rated insulation voltage.
8 kV impulse withstand voltage.
Mirror contacts compliant with IEC/EN 60947-4-1.
Screw mounting with bolt-type power terminals.
Technical Specifications
Manufacturer: Lovato Electric
Series: B500
Model: 11B500L00380380
Product type: 3-pole power contactor with mechanical latch
Main contacts: 3 NO
Mechanical latch: G495 factory fitted (380–415 V AC)
IEC AC-1 thermal current (Ith): 700 A
IEC AC-3 operational current: 520 A
Motor power (AC-3 @ 400 V): 290 kW
Control coil voltage: 380–415 V AC/DC
Rated insulation voltage (Ui): 1000 V
Rated impulse withstand voltage (Uimp): 8 kV
Mounting type: Screw mounting
Protection rating: IP00 (power terminals)
Mechanical life: Up to 5,000,000 operations
Electrical life: Up to 700,000 operations
Operating temperature: -50°C to +70°C
Maximum installation altitude: 3000 m
Weight: Approx. 1.88 kg
Reliable Maintained Switching for Industrial Applications
The Lovato B500 range is engineered for reliable switching of high-current industrial motors and power circuits. The integrated mechanical latch maintains the contact position without continuous coil power, improving efficiency while providing dependable long-term performance for industrial automation and process control.
Its robust mechanical construction, high insulation ratings and compliance with IEC/EN 60947 standards make the 11B500L00380380 an excellent choice for OEM machinery, motor control centres, switchboards and heavy-duty industrial installations.
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
Frequently Asked Questions
What is the Lovato 11B500L00380380 used for?
It is a heavy-duty three-pole power contactor designed for switching high-current industrial motors and power circuits while providing maintained contact operation through an integrated mechanical latch.
Does this contactor include a mechanical latch?
Yes. It is supplied with a factory-fitted G495 mechanical latch rated for 380–415 V AC.
What coil voltage does this contactor use?
The contactor is fitted with a 380–415 V AC/DC universal operating coil.
What is the AC-3 current rating?
The contactor is rated for 520 A AC-3 at 400 V, making it suitable for switching motors up to approximately 290 kW.
Where is this contactor typically installed?
It is commonly installed in industrial control panels, switchboards, motor control centres, OEM machinery and heavy-duty power distribution systems.
Trusted for Industrial Motor Control
Lovato B500 power contactors are trusted worldwide by machine builders, panel manufacturers and industrial engineers for dependable high-current switching, robust construction and long service life.
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Power
290 kW
Current
700 A
Voltage
415 V
Phase
Three Phase
Series
B500 Contactors
Product type
Three-pole power contactor with mechanical latch
Number of poles
3
Main contact configuration
3 NO
IEC operational current Ith (AC1)
700 A
IEC operational current Ie (AC3)
520 A
AC-4 operational current at 400 V
240 A
Motor power rating
290 kW at 400 V
Rated operational power AC-1 at 690 V
755 kW
Type of coil
AC/DC operating coil
Rated coil voltage
380–415 V AC/DC
Mechanical latch
G495 integrated
Mechanical latch voltage
380–415 V AC
Rated insulation voltage Ui
1000 V
Rated impulse withstand voltage Uimp
8 kV
Frequency
25–400 Hz
Mounting type
Screw mounting
Connection type
Bolt/screw terminals
Operating temperature
-50 °C to +70 °C
Weight
Approx. 18.8 kg
Package dimensions
Approx. 310 × 203 × 276 mm
EAN
8013975030875
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
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
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If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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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...