Lovato 11B125024220 heavy-duty three-pole industrial contactor with 220–240 V AC coil, 1250 A AC1 operational current rating and integrated 2NO + 4NC auxiliary contacts for industrial power switching applications.
£8,923.82
The Lovato 11B125024220 is a heavy-duty three-pole power contactor engineered for switching exceptionally high-current industrial electrical loads. Part of the robust Lovato B1250 contactor series, it features a 220–240 V AC 50/60 Hz operating coil and delivers a conventional free-air thermal current rating of 1250 A.
Designed for demanding industrial applications, the B1250 contactor combines outstanding switching capacity with long mechanical life and reliable electrical performance. Integrated 2NO + 4NC auxiliary contacts provide additional signalling, feedback and interlocking functionality, making the contactor ideal for complex automation systems and industrial power distribution.
With an AC-1 operational current of 1250 A at 40°C, a rated insulation voltage of 1000 V and an impulse withstand voltage of 8 kV, the 11B125024220 is suitable for high-power switchboards, industrial heating equipment, power distribution systems and heavy-duty process machinery.
The Lovato B1250 series is designed to switch very high-current industrial loads safely and efficiently. Its substantial AC-1 current rating makes it suitable for industrial heating systems, resistive loads, power-distribution equipment and other demanding electrical applications.
Integrated auxiliary contacts simplify control logic, status monitoring and interlocking within industrial automation systems. Combined with high making and breaking capacities, the contactor delivers dependable long-term operation in heavy industrial environments.
| Current | 1250 A |
|---|---|
| Voltage | 240 V |
| Phase | Three Phase |
| Series | B1250 Contactors |
| Product type | Three-pole contactor |
| Number of poles | 3 |
| Type of coil | AC coil 50/60 Hz |
| Coil voltage | 220–240 V AC |
| IEC operational current Ith (AC1) | 1250 A |
| Integrated auxiliary contacts | 2NO + 4NC |
| Rated insulation voltage Ui | 690 V |
| Rated impulse withstand voltage Uimp | 8 kV |
| Mounting type | Screw mounting |
| Terminal type | Screw terminals |
| Supply frequency | 50/60 Hz |
| Mechanical life | approx. 5,000,000 operations |
| Operating temperature | -50 °C to +60 °C |
| Maximum altitude | 3000 m |
| Pollution degree | 3 |
| Weight | approx. 48.2 kg |
| Package dimensions | approx. 542 × 362 × 290 mm |
| EAN | 8013975045596 |
| HS code | 85365080 |
| Compliance standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1 |
It is used for switching very high-current industrial electrical loads in power distribution, industrial heating and automation systems.
The contactor has a conventional thermal current and AC-1 operating current rating of 1250 A at 40°C.
The operating coil is designed for a 220–240 V AC 50/60 Hz control supply.
Yes. It includes 2 normally open and 4 normally closed auxiliary contacts for signalling, feedback and electrical interlocking.
It is typically installed inside industrial switchboards, electrical control panels and heavy-duty power distribution systems.
Lovato Electric B1250 contactors are trusted by industrial panel builders, OEMs and electrical engineers for reliable high-current switching, robust construction and dependable long-term performance.{ "@context": "https://schema.org/", "@type": "Product", "name": "Lovato 11B125024220 B1250 Three-Pole Power Contactor 1250A", "sku": "11B125024220", "mpn": "11B125024220", "brand": { "@type": "Brand", "name": "Lovato Electric" }, "category": "Power Contactors", "description": "Lovato 11B125024220 B1250 three-pole power contactor with a 1250 A AC-1 rating, 220–240 V AC control coil and integrated 2NO + 4NC auxiliary contacts for heavy-duty industrial power switching.", "additionalProperty": [ { "@type": "PropertyValue", "name": "AC-1 operating current", "value": "1250 A" }, { "@type": "PropertyValue", "name": "Control coil voltage", "value": "220–240 V AC" }, { "@type": "PropertyValue", "name": "Number of poles", "value": "3" }, { "@type": "PropertyValue", "name": "Auxiliary contacts", "value": "2NO + 4NC" }, { "@type": "PropertyValue", "name": "Rated insulation voltage", "value": "1000 V" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "inLanguage": "en-GB", "mainEntity": [ { "@type": "Question", "name": "What is the Lovato 11B125024220 used for?", "acceptedAnswer": { "@type": "Answer", "text": "It is used for switching very high-current industrial electrical loads in power distribution, industrial heating and automation systems." } }, { "@type": "Question", "name": "What is the current rating of this contactor?", "acceptedAnswer": { "@type": "Answer", "text": "The contactor has a conventional thermal current and AC-1 operating current rating of 1250 A at 40°C." } }, { "@type": "Question", "name": "What control voltage does the contactor require?", "acceptedAnswer": { "@type": "Answer", "text": "The operating coil is designed for a 220–240 V AC 50/60 Hz control supply." } }, { "@type": "Question", "name": "Does this contactor include auxiliary contacts?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. It includes 2 normally open and 4 normally closed auxiliary contacts for signalling, feedback and electrical interlocking." } }, { "@type": "Question", "name": "Where is this contactor typically installed?", "acceptedAnswer": { "@type": "Answer", "text": "It is typically installed inside industrial switchboards, electrical control panels and heavy-duty power distribution 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...