ABB OTC63G3-3BS 63 A three-pole manual change-over switch with I-0-II operation, base and DIN-rail mounting, padlockable handle and integrated screw terminals for industrial power transfer applications.
The ABB OTC63G3-3BS, product code 1SCA162743R1001, is a premium three-pole manual change-over switch designed for reliable transfer between two independent power sources. As part of the proven ABB OT Plus Change-Over Switch range, it delivers dependable I-0-II operation for industrial electrical distribution, generator systems and machinery installations.
Designed specifically for panel builders and industrial engineers, the OTC63G3-3BS features a compact front-operated design suitable for both base and DIN-rail mounting. Integrated screw terminals simplify installation, while the supplied direct-mounted padlockable handle enhances operational safety during maintenance and servicing.
With a rated current of 63 A, a three-pole switching configuration and compliance with IEC 60947-3 and UL98 applications, the OTC63G3-3BS is an excellent solution for transferring loads safely between mains and standby power supplies whilst ensuring dependable electrical isolation.
The ABB OTC63G3-3BS enables safe manual transfer between two independent electrical supplies while ensuring complete isolation through its centre OFF position. This makes it ideal for installations requiring dependable switching between utility power and backup generators or alternative power sources.
Manufactured to ABB's high engineering standards, the OTC63G3-3BS provides long service life, excellent mechanical durability and dependable operation in demanding industrial and commercial electrical installations.
| Manufacturer | ABB |
|---|---|
| Series | OT Plus Change-Over Switches |
| Model | OTC63G3-3BS |
| Product ID | 1SCA162743R1001 |
| GTIN | 6417019928111 |
| Product type | Manual change-over switch |
| Rated current | 63 A |
| Number of poles | 3 |
| Operating positions | I-0-II |
| Standards | IEC 60947-3 / UL98 |
| Operational voltage | Up to 600 V AC (UL) |
| Mounting type | Base mounting / DIN-rail mounting |
| Frame size | G3 |
| Copper conductor range | 2.5 to 70 mm² |
| Protection | IP20 front terminal protection |
| Terminal type | Integrated screw terminals |
| Handle | Direct-mounted, padlockable knob handle |
| Weight | Approx. 0.88 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTC63G3-3BS is used to manually transfer electrical loads between two separate power supplies such as a mains supply and a standby generator.
The ABB OTC63G3-3BS has a rated current of 63 A.
This model features a three-pole configuration designed for switching three-phase electrical circuits.
Yes. The supplied direct-mounted operating handle can be padlocked to prevent accidental or unauthorised operation during maintenance.
It is commonly installed inside electrical switchboards, industrial control panels and generator change-over systems using base or DIN-rail mounting.
ABB OT Plus change-over switches are widely trusted by panel builders, OEMs and electrical engineers for dependable manual source transfer, robust construction and long-term reliability in industrial power distribution 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...