ABB AF146-30-11-14 industrial contactor with 3 poles, integrated auxiliary contacts, 250–500 V AC/DC control voltage and 75 kW motor switching capability for industrial automation and motor control systems.
£553.09
The ABB AF140-30-11-14, product ID 1SFL447001R1411, is a high-performance 3-pole industrial contactor designed for dependable motor starting, isolation, bypass and power distribution applications. As part of the advanced ABB AF contactor series, it combines robust switching capability with electronic coil technology for reliable operation across a wide control voltage range.
The contactor is engineered to control three-phase motors up to 75 kW at 400 V AC-3 and switch general power circuits up to 200 A AC-1. Its electronically controlled coil accommodates significant voltage variations, helping prevent contactor chatter and reducing energy consumption within electrical control panels.
With a 250–500 V AC 50/60 Hz and DC control coil, built-in surge protection and pre-mounted auxiliary contacts, the AF140-30-11-14 provides a compact and versatile solution for industrial automation, machinery and electrical distribution systems.
The ABB AF140-30-11-14 uses electronically controlled coil technology to maintain reliable switching performance when the control supply fluctuates. This helps reduce coil energy consumption, prevents unwanted contactor chatter and supports consistent operation in industrial environments with unstable or variable supply conditions.
Its high switching capacity, integrated surge suppression and compact block design make it suitable for modern motor control centres, automation panels and industrial machinery. The contactor can also be expanded with ABB auxiliary contact blocks, mechanical interlocks and other accessories to meet specific control system requirements.
| Power | 75 kW |
|---|---|
| Current | 146 A |
| Voltage | 500 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Series | AF Contactors |
| Part number | 1SFL447001R1411 |
| Product type | Industrial contactor |
| Number of poles | 3P |
| Main contacts | 3 NO |
| Auxiliary contacts | 1 NO + 1 NC |
| Rated operational voltage | 1000 V IEC / 600 V UL |
| Control voltage | 250–500 V AC/DC |
| Rated operational current AC-3 | 146 A |
| Rated operational current AC-1 | 225 A |
| Motor power rating | 75 kW at 400 V AC |
| Frequency | 50 / 60 Hz |
| Mounting type | Panel mounting |
| Terminal type | Double clamp screw terminals |
| Protection | Integrated surge suppression |
| Protection rating | Main terminals IP00, coil terminals IP20 |
| Dimensions (H × W × D) | approx. 158 × 105 × 140 mm |
| Weight | approx. 2.2 kg |
| Operating temperature | -40 °C to +70 °C |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
The contactor is used for motor starting, isolation, bypass and switching industrial power circuits in automation and electrical control systems.
It can control three-phase motors rated up to 75 kW at 400 V AC-3.
The electronic coil operates across a wide control voltage range of 250–500 V AC at 50/60 Hz or 250–500 V DC.
Yes. The contactor is supplied with one normally open and one normally closed auxiliary contact.
No. ABB AF electronic coil technology includes built-in surge protection, reducing the need for a separate external suppression device.
ABB AF contactors are widely specified by panel builders, automation engineers and OEM manufacturers for efficient coil operation, reliable motor switching and long-term performance in demanding industrial installations.
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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...