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11B18000440 – 3P CONTACTOR B180.00 440/480V
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.
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.
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
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| Terminal Type | Bar / bolt | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 380–440 V, 460–500 V | |
| Power | 100 kW | |
| Current | 185 A | |
| Voltage | 480 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Device Type | Contactor | |
| Current AC-1 | 275 A | |
| 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.
