Lovato 11B63000440 heavy-duty three-pole industrial contactor with 630 A AC3 operational current rating, 440 V AC operating coil and high-performance switching capability for industrial motor control and power switching applications.
£5,870.55
The Lovato 11B63000440 is a heavy-duty 3-pole power contactor engineered for reliable switching of very high-current industrial motors and power circuits. As part of the premium Lovato B630 contactor series, it is designed for demanding motor control, power distribution and industrial automation applications where maximum performance and reliability are essential.
Equipped with a 440–480 V AC/DC universal control coil, this contactor combines exceptional switching capacity with long electrical and mechanical service life. Its robust construction, bolt-type terminals and compliance with international standards make it ideal for OEM machine builders, switchgear manufacturers and industrial installations.
With an IEC AC-1 thermal current rating of 800 A, an AC-3 operational current of 630 A at 400–440 V, and the capability to switch motors up to 355 kW at 400 V, the 11B63000440 delivers dependable operation in the most demanding industrial environments.
The Lovato B630 series is designed for switching very high-current industrial motors and heavy electrical loads with exceptional reliability. Its robust construction, universal AC/DC coil and high insulation ratings ensure dependable operation in demanding manufacturing plants, power distribution systems and industrial automation installations.
With excellent electrical endurance, mirror contacts and compliance with IEC/EN 60947 standards, the 11B63000440 is ideal for heavy-duty motor control centres, switchgear assemblies and OEM industrial equipment.
| Power | 355 kW |
|---|---|
| Current | 1000 A |
| Voltage | 440 V |
| Phase | Three Phase |
| Series | B630 Contactors |
| Product type | Three-pole power contactor |
| Number of poles | 3 |
| Main contact configuration | 3 NO |
| IEC operational current Ith (AC1) | 1000 A |
| IEC operational current Ie (AC3) | 630 A |
| Motor power rating | 355 kW at 400 V |
| Rated operational power at 690 V | 900 kW |
| Rated coil voltage | 440 V AC |
| Rated insulation voltage Ui | 1000 V |
| Rated impulse withstand voltage Uimp | 8 kV |
| Frequency | 50 / 60 Hz |
| Mounting type | Screw mounting |
| Connection type | Bolt terminals |
| Operating temperature | -50 °C to +70 °C |
| Protection category | Pollution degree 3 |
| Weight | Approx. 24 kg |
| HS Code | 85365080 |
| Compliance standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
| Certifications | cULus, CCC, EAC |
It is a heavy-duty three-pole power contactor designed for switching large industrial motors and high-current power circuits.
The 11B63000440 features three normally open (3 NO) main poles.
This model is fitted with a 440–480 V AC/DC universal operating coil.
The contactor is rated at 630 A AC-3 and can switch motors up to 355 kW at 400 V.
It is commonly installed in industrial control panels, switchgear assemblies, motor control centres and heavy-duty automation systems.
Lovato B630 power contactors are trusted by machine builders, panel manufacturers and industrial engineers worldwide for dependable high-current switching, exceptional durability and reliable long-term performance.{ "@context": "https://schema.org/", "@type": "Product", "name": "Lovato 11B63000440 3-Pole Power Contactor", "sku": "11B63000440", "mpn": "11B63000440", "brand": { "@type": "Brand", "name": "Lovato Electric" }, "category": "Power Contactors", "description": "Lovato 11B63000440 three-pole industrial power contactor with 440–480 V AC/DC coil, 800 A AC-1 rating and 630 A AC-3 rating for heavy-duty motor control applications.", "additionalProperty": [ { "@type": "PropertyValue", "name": "Number of poles", "value": "3" }, { "@type": "PropertyValue", "name": "IEC AC-1 current", "value": "800 A" }, { "@type": "PropertyValue", "name": "IEC AC-3 current", "value": "630 A" }, { "@type": "PropertyValue", "name": "Motor power", "value": "355 kW at 400 V" }, { "@type": "PropertyValue", "name": "Coil voltage", "value": "440–480 V AC/DC" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "inLanguage": "en-GB", "mainEntity": [ { "@type": "Question", "name": "What is the Lovato 11B63000440 used for?", "acceptedAnswer": { "@type": "Answer", "text": "It is a heavy-duty three-pole power contactor designed for switching large industrial motors and high-current power circuits." } }, { "@type": "Question", "name": "How many poles does this contactor have?", "acceptedAnswer": { "@type": "Answer", "text": "The 11B63000440 features three normally open (3 NO) main poles." } }, { "@type": "Question", "name": "What coil voltage does this contactor require?", "acceptedAnswer": { "@type": "Answer", "text": "This model is fitted with a 440–480 V AC/DC universal operating coil." } }, { "@type": "Question", "name": "What is the AC-3 current rating?", "acceptedAnswer": { "@type": "Answer", "text": "The contactor is rated at 630 A AC-3 and can switch motors up to 355 kW at 400 V." } }, { "@type": "Question", "name": "Where is this contactor typically installed?", "acceptedAnswer": { "@type": "Answer", "text": "It is commonly installed in industrial control panels, switchgear assemblies, motor control centres and heavy-duty automation systems." } } ] }
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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...