ABB OTM63F3C20D400C automatic transfer switch, a compact 63 A 3-pole motor-operated ATS designed for reliable backup power transfer in industrial and commercial installations.
£1,198.63
The ABB OTM63F3C20D400C is a compact and highly reliable automatic transfer switch (ATS) designed for secure power source switching in industrial, commercial and critical infrastructure applications. As part of the advanced ABB Compact ATS series, it provides dependable automatic transfer between primary and backup power supplies while ensuring safe and continuous electrical operation.
This motor-operated automatic transfer switch combines ABB’s proven switch-disconnector technology with integrated automatic control functionality. Its compact design simplifies installation inside control panels and distribution boards while helping maintain operational continuity during mains failures or generator startup conditions.
With a rated operational current of 63 A, a 3-pole configuration, and a 380–415 V AC motor operating voltage, the OTM63F3C20D400C is ideal for commercial buildings, industrial machinery, generator systems and power distribution installations requiring automatic source transfer functionality. Its open transition switching operation provides reliable transfer between power sources in demanding electrical environments.
Automatic transfer switches such as the ABB OTM63F3C20D400C are designed to ensure continuous electrical supply by automatically switching between mains and backup power sources. This helps reduce downtime and protects critical electrical systems during supply interruptions or maintenance operations.
The ABB Compact ATS range is widely used by electrical engineers, OEM manufacturers and panel builders due to its compact dimensions, dependable switching performance and simplified installation. Its motor-operated mechanism provides consistent and secure transfer functionality for industrial and commercial power systems.
| Power | 30 kW |
|---|---|
| Current | 63 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | Compact ATS |
| Product type | Automatic transfer switch |
| Rated operational current | 63 A |
| Number of poles | 3P |
| Rated operational voltage | 380–415 V AC |
| Motor operational voltage | 380–415 V AC |
| Rated operational power AC-23A | 30 kW |
| Rated insulation voltage | 800 V |
| Rated impulse withstand voltage | 8 kV |
| Rated short-time withstand current | 2.5 kA for 1 second |
| Transition type | Open transition |
| Controller type | 20D |
| Protection rating | Front IP20 |
| Mounting type | Base mounting or DIN rail mounting |
| Terminal type | Screw terminals |
| Dimensions (W × H × D) | approx. 233 × 103 × 131 mm |
| Weight | approx. 1.75 kg |
| Standards | IEC 60947-3 |
This automatic transfer switch is used to automatically transfer electrical loads between primary and backup power sources.
The switch is rated for 63 A operation in industrial and commercial electrical systems.
The OTM63F3C20D400C uses an open transition switching method with a 1-0-2 operating configuration.
Yes, the unit supports both base mounting and DIN rail mounting installations.
The switch is commonly installed in generator panels, commercial distribution boards and industrial switchboards.
ABB Compact ATS transfer switches are trusted by industrial engineers, panel builders and facility managers for reliable automatic power transfer, compact installation and dependable long-term operation.
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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...