ABB OTM1250E4C8D230C automatic transfer switch with 1250 A current rating, 4-pole switching configuration and 230 V AC motor operation for industrial and commercial power transfer systems.
£12,093.20
The ABB OTM1250E4C8D230C is a premium automatic transfer switch (ATS) designed for dependable source switching in demanding industrial, commercial and infrastructure power systems. As part of the advanced ABB OTM motorised change-over switch range, this unit provides automatic transfer between mains and standby power supplies to ensure uninterrupted operation of essential electrical equipment.
ABB OTM transfer switches are engineered for applications requiring reliable switching performance, high operational safety and long-term durability. Their compact footprint and robust motorised mechanism make them suitable for integration into switchboards, generator systems and critical power distribution networks.
With a powerful 1250 A current rating, 4-pole switching configuration and a 230 V AC motor operating voltage, the OTM1250E4C8D230C is ideal for large low-voltage installations where automatic source transfer functionality is required. The motorised mechanism ensures smooth automatic operation while retaining manual override capability for servicing and emergency operation.
Automatic transfer switches such as the ABB OTM1250E4C8D230C provide seamless transfer between power sources during supply interruptions or generator startup events. This helps maintain operational continuity while protecting electrical systems and connected equipment from unexpected downtime.
The ABB OTM range is widely specified by electrical engineers, contractors and panel builders for generator systems, critical infrastructure and industrial power distribution networks. Its dependable switching mechanism and compact construction make it ideal for modern power control applications.
| Current | 1250 A |
|---|---|
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | OTM Automatic Transfer Switches |
| Product type | Automatic transfer switch |
| Rated operational current | 1250 A |
| Number of poles | 4P |
| Motor operating voltage | 220–240 V AC |
| Rated operational voltage | up to 1000 V AC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 front protection |
| Mounting type | Base mounting |
| Operation type | Motorised automatic operation |
| Transition type | Open transition |
| Short-time withstand current | 50 kA for 1 second |
| Dimensions (H × W × D) | approx. 306 × 587 × 297 mm |
| Weight | approx. 65 kg |
This automatic transfer switch is used to automatically transfer electrical loads between mains and backup power supplies such as generators.
The switch supports a rated operational current of 1250 A for large industrial and commercial installations.
The motorised operating mechanism uses a 220–240 V AC supply.
Yes. The 4-pole configuration enables full conductor isolation including the neutral connection.
The unit is typically installed in industrial switchboards, generator control systems and commercial power distribution panels.
ABB OTM automatic transfer switches are trusted worldwide for reliable automatic source transfer performance, robust construction and dependable operation in critical power 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...