ABB AF750-30-11-71 industrial contactor with 3 poles, 750 A AC-3 rating, integrated auxiliary contacts, main circuit bars and 250-500 V AC/DC electronic coil for industrial motor control applications.
£4,628.32
The ABB AF750-30-11-71 (Part Number: 1SFL637001R7111) is a heavy-duty 3-pole industrial contactor designed for switching high-current power circuits and controlling large three-phase motors in demanding industrial applications. As part of the advanced ABB AF contactor series, it incorporates ABB's innovative electronic coil technology, providing dependable performance across a wide control voltage range while reducing energy consumption and improving operational reliability.
Its integrated 250-500 V AC (50/60 Hz) / 250-500 V DC electronic control coil ensures reliable operation during supply voltage fluctuations and unstable electrical networks. Built-in surge suppression eliminates the need for external suppressors, simplifying panel design while reducing installation time and improving long-term reliability.
With the ability to control motors up to 400 kW at 400 V AC (AC-3) and switch power circuits up to 1050 A AC-1, the AF750-30-11-71 is ideal for heavy industrial automation, motor control centres, mining operations, power distribution systems and process manufacturing facilities.
The ABB AF750-30-11-71 delivers dependable switching of large motors and industrial power circuits while maintaining reliable performance during control voltage variations. ABB's AF electronic coil technology reduces power consumption, eliminates contactor chatter and extends equipment service life, helping maximise uptime in demanding industrial environments.
Its modular block construction supports a comprehensive range of ABB accessories including auxiliary contact blocks, mechanical interlocks and timing modules, making it an ideal solution for OEM machinery, industrial control panels and electrical distribution systems.
| Power | 400 kW |
|---|---|
| Current | 750 A |
| Voltage | 500 V |
| Phase | Three Phase |
| Series | AF Contactors |
| Part number | 1SFL637001R7111 |
| Product type | Industrial power contactor |
| Number of poles | 3 |
| Main contacts | 3 NO |
| Auxiliary contacts | 1 NO + 1 NC |
| Rated operational current AC-3 | 750 A |
| Rated operational current AC-1 | 1050 A |
| Motor power AC-3 at 400 V | 400 kW |
| Rated operational voltage | 1000 V IEC / 600 V UL |
| Rated insulation voltage | 1000 V IEC |
| Control voltage | 250–500 V AC/DC |
| Frequency | 50 / 60 Hz |
| Mounting type | Panel mounting |
| Connection type | Main circuit bars with screw terminals |
| Mechanical durability | 3 million operations |
| Maximum operating altitude | 3000 m |
| Dimensions (H × W × D) | approx. 283 × 210 × 242 mm |
| Weight | approx. 13.6 kg |
It is designed for switching high-current industrial power circuits and controlling large three-phase motors in demanding automation and electrical distribution applications.
The electronic coil operates from a wide 250-500 V AC (50/60 Hz) or 250-500 V DC control supply.
It can control motors rated up to 400 kW at 400 V AC (AC-3).
The contactor is rated to switch power circuits up to 1050 A AC-1.
ABB AF contactors provide wide-range electronic coils, integrated surge protection, lower energy consumption and reliable operation even in unstable electrical networks.
ABB AF contactors are trusted worldwide by OEM manufacturers, panel builders and industrial engineers for dependable motor control, long operational life and reliable switching performance in demanding industrial applications.
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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...