ABB OTM1250E4C2D230C 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.
£12,651.68
The ABB OTM1250E4C2D230C is a high performance automatic transfer switch (ATS) engineered for reliable power source changeover in demanding industrial and commercial power distribution systems. Designed as part of the advanced ABB OTM motorised change-over switch range, this unit delivers dependable switching between primary and backup power supplies to maintain operational continuity during mains failures or maintenance conditions.
This motorised transfer switch combines robust switching capability with intelligent automation functionality, making it suitable for critical infrastructure, manufacturing facilities and commercial installations. ABB’s OTM series is trusted worldwide for dependable operation, compact design and long service life in harsh electrical environments.
With a substantial 1250 A current rating, 4-pole switching configuration and 230 V AC motor operating voltage, the OTM1250E4C2D230C is ideal for large power distribution systems requiring safe and efficient automatic source transfer functionality. The integrated motorised mechanism simplifies automatic operation while maintaining high electrical endurance and operational safety.
Automatic transfer switches such as the ABB OTM1250E4C2D230C continuously monitor power availability and automatically switch between power sources when supply interruptions occur. This ensures continuity of operation for critical equipment and infrastructure while minimising downtime and operational risk.
The ABB OTM range is widely used by panel builders, power engineers and industrial contractors for applications requiring dependable source transfer functionality. Its motorised operating mechanism, high current handling capability and compact footprint make it suitable for modern power distribution systems and generator installations.
| 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 |
| Operating mode | 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 sources such as generators.
The switch supports a rated operational current of 1250 A, making it suitable for high power installations.
The motorised operating mechanism requires a 220–240 V AC supply.
Yes. The 4-pole configuration allows switching of all conductors including the neutral connection.
The unit is typically installed in industrial switchboards, generator panels and commercial power distribution systems.
ABB OTM automatic transfer switches are widely trusted for reliable source transfer performance, high operational safety and dependable operation in critical power 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...