Lovato 11B18000440 three-pole industrial contactor with 185 A AC-3 operational current rating and 440–480 V AC/DC control coil for industrial motor control and power switching applications.
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Why Choose the Lovato 11B18000440 Power Contactor?
The Lovato 11B18000440 is a heavy-duty three-pole power contactor designed for reliable switching of high-power three-phase motors and demanding industrial electrical loads. As part of the proven Lovato B180 contactor series, it delivers outstanding reliability for industrial automation, motor control centres and OEM machinery.
Featuring a 440–480V AC/DC control coil, robust screw-mounted construction and high switching performance, this contactor is engineered for continuous operation in harsh industrial environments. Its durable contact system ensures dependable operation while reducing maintenance and downtime.
With an IEC AC-3 operational current of 185A, an AC-1 thermal current rating of 275A and the capability to control motors up to 100kW at 400V AC, the 11B18000440 is ideal for compressors, conveyors, pumps, HVAC equipment and heavy industrial machinery.
Key Advantages
Heavy-duty three-pole industrial power contactor.
185A IEC AC-3 operational current.
275A AC-1 thermal current rating.
440–480V AC/DC universal control coil.
Long mechanical and electrical operating life.
Suitable for industrial motor control and automation systems.
Key Features
Lovato B180 series power contactor.
3 main poles.
185A IEC AC-3 rated operational current.
275A AC-1 rated operational current.
100kW motor rating at 400V AC-3.
440–480V AC/DC control coil.
Rated insulation voltage of 1000V.
Screw mounting with heavy-duty power terminals.
Technical Specifications
Manufacturer: Lovato Electric
Series: B180 Contactors
Model: 11B18000440
Product type: Three-pole power contactor
Number of poles: 3
Rated operational current (AC-3): 185 A
Rated operational current (AC-1): 275 A
Motor rating: 100 kW @ 400 V AC-3
Control voltage: 440–480 V AC/DC
Rated insulation voltage (Ui): 1000 V
Rated impulse withstand voltage (Uimp): 8 kV
Protection rating: IP00
Mounting type: Screw mounting
Mechanical life: 10,000,000 operations
Electrical life: 1,000,000 operations
Operating temperature: -50°C to +70°C
Weight: Approx. 5.34 kg
Reliable Motor Control for Industrial Applications
The Lovato 11B18000440 is engineered for dependable switching of large three-phase motors and heavy industrial electrical loads. Its robust construction and high-quality contact system maximise equipment uptime while reducing maintenance requirements in demanding production environments.
The universal 440–480V AC/DC control coil provides installation flexibility across industrial control systems, making this contactor an excellent choice for modern automation and power distribution panels.
Typical Applications
Industrial motor starters.
Pumps and water treatment plants.
Compressors and HVAC systems.
Conveyor and material handling equipment.
Manufacturing machinery.
OEM automation systems and control panels.
Technical Specifications
Power
100 kW
Current
185 A
Voltage
480 V
Phase
Three Phase
IP Rating
IP20
Series
B180
Product type
Three-pole industrial contactor
Rated operational current (AC-3)
185 A
Rated operational current (AC-1 at 400 V)
275 A
Rated operational power at 400 V AC-3
100 kW
Control coil voltage
440–480 V AC/DC
Control frequency
50/60 Hz
Maximum operational voltage
690 V AC
Number of poles
3
Main contacts
3 NO
Type of coil
AC/DC coil
Mounting type
Screw mounting
Connection type
Bolt connection
Protection rating
IP20 terminals
Operating temperature
-50 °C to +70 °C
Width
approx. 120 mm
Height
approx. 170 mm
Weight
approx. 5.34 kg
Package dimensions
approx. 173 × 124 × 194 mm
EAN
8013975026113
HS Code
85365080
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 11B18000440 used for?
It is a heavy-duty three-pole power contactor designed for switching high-power three-phase motors and industrial electrical loads.
What control voltage does this contactor require?
The contactor features a 440–480V AC/DC universal control coil.
What is the AC-3 current rating?
The contactor has an IEC AC-3 operational current rating of 185A.
What motor size can it control?
It is suitable for controlling motors up to 100kW at 400V AC-3.
Where is this contactor typically installed?
It is commonly installed in industrial motor control centres, automation panels, switchgear and heavy-duty electrical installations.
Trusted by Industrial Engineers Worldwide
Lovato Electric B180 contactors are trusted by machine builders, OEM manufacturers and industrial maintenance professionals for dependable switching performance, long service life and reliable operation in demanding industrial applications.
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Power
100 kW
Current
185 A
Voltage
480 V
Phase
Three Phase
IP Rating
IP20
Series
B180
Product type
Three-pole industrial contactor
Rated operational current (AC-3)
185 A
Rated operational current (AC-1 at 400 V)
275 A
Rated operational power at 400 V AC-3
100 kW
Control coil voltage
440–480 V AC/DC
Control frequency
50/60 Hz
Maximum operational voltage
690 V AC
Number of poles
3
Main contacts
3 NO
Type of coil
AC/DC coil
Mounting type
Screw mounting
Connection type
Bolt connection
Protection rating
IP20 terminals
Operating temperature
-50 °C to +70 °C
Width
approx. 120 mm
Height
approx. 170 mm
Weight
approx. 5.34 kg
Package dimensions
approx. 173 × 124 × 194 mm
EAN
8013975026113
HS Code
85365080
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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Express options available — contact us for details
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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...