ABB OTC160G3-4BS 160 A four-pole manual change-over switch with I-0-II operation, base and DIN-rail mounting, integrated screw terminals and a padlockable direct-mounted operating handle.
The ABB OTC160G3-4BS, product code 1SCA162752R1001, is a premium four-pole manual change-over switch engineered to provide safe, reliable switching between two independent power sources. Part of the renowned ABB OT Plus Change-Over Switch range, it offers dependable I-0-II manual operation for industrial electrical distribution, standby generator systems and commercial power installations.
Designed for panel builders, OEMs and electrical contractors, the OTC160G3-4BS features a compact front-operated design suitable for both base and DIN-rail mounting. Integrated screw terminals provide secure connections, whilst the supplied direct-mounted padlockable operating handle enhances safety during servicing and maintenance.
With a rated current of 160 A, a four-pole switching configuration and compliance with IEC 60947-3 and UL98, the OTC160G3-4BS is ideal for transferring loads safely between mains and standby power supplies whilst providing complete electrical isolation.
The ABB OTC160G3-4BS enables safe manual transfer between two independent power sources whilst ensuring complete isolation through its centre OFF position. Its four-pole design switches all three phases together with the neutral conductor, making it ideal for standby generator systems and installations requiring complete source separation.
Manufactured to ABB's exacting standards, the OTC160G3-4BS delivers excellent mechanical endurance, dependable switching performance and straightforward installation, making it an ideal choice for demanding industrial and commercial electrical applications.
| Manufacturer | ABB |
|---|---|
| Series | OT Plus Change-Over Switches |
| Model | OTC160G3-4BS |
| Product ID | 1SCA162752R1001 |
| EAN | 6417019928203 |
| Product type | Manual change-over switch |
| Rated current | 160 A |
| Number of poles | 4 |
| Operating positions | I-0-II |
| Standards | IEC 60947-3 / UL98 |
| Rated insulation voltage (Ui) | 800 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Operational voltage | Up to 800 V AC (IEC), 600 V AC (UL) |
| Rated operational current AC-22A / AC-23A | 160 A / 125 A |
| Mounting type | Base mounting / DIN-rail mounting |
| Frame size | G3 |
| Copper conductor range | 2.5 to 70 mm² |
| Protection rating | IP20 (front) |
| Terminal type | Screw terminals |
| Handle | Direct-mounted, padlockable knob handle |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTC160G3-4BS manually transfers electrical loads between two independent power supplies, such as a utility supply and a standby generator.
The ABB OTC160G3-4BS has a rated operational current of 160 A.
The four-pole configuration switches all three phases together with the neutral conductor, providing complete electrical isolation where required.
Yes. The supplied direct-mounted operating handle is padlockable to help prevent accidental or unauthorised operation during servicing and maintenance.
It is commonly installed within electrical switchboards, generator change-over panels, industrial control systems and commercial power distribution equipment.
ABB OT Plus change-over switches are trusted by electrical engineers, OEM manufacturers and panel builders for dependable manual power transfer, robust construction and reliable long-term performance in demanding industrial 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...