ABB OTC80G2-3BS 80 A 3-pole manual change-over switch for safe transfer between mains and standby power supplies.
The ABB 1SCA162737R1001, also known as the OTC80G2-3BS, is a premium 80 A 3-pole manual change-over switch designed for the safe transfer of electrical loads between two independent power sources. As part of the proven ABB OT Plus Change-Over Switch range, it provides dependable switching performance for generator installations, industrial control panels, distribution boards and commercial electrical systems.
Designed for panel builders and electrical contractors, the OTC80G2-3BS features a front-operated mechanism and supports both base mounting and DIN rail mounting. Integrated screw terminals with IP20 protected front terminal clamps improve installation safety, while the supplied padlockable direct-mounted operating handle enables secure lockout during maintenance. An optional operating shaft is available for enclosure door mounting.
With an 80 A open-air thermal current (Ith), 80 A AC-22A and 65 A AC-23A operational ratings, together with ABB's compact G2 frame, the OTC80G2-3BS delivers reliable manual source transfer and long service life in demanding industrial environments.
The ABB OTC80G2-3BS enables safe manual switching between two independent power supplies, making it ideal for transferring loads between the utility supply and standby generators. Its robust switching mechanism provides dependable isolation and reliable long-term operation for critical power systems.
Its compact design, industrial-grade construction and flexible mounting options make it suitable for industrial automation, commercial buildings, OEM machinery and electrical distribution applications where dependable source transfer is essential.
| Manufacturer | ABB |
|---|---|
| Series | OT Plus Change-Over Switches |
| Model | OTC80G2-3BS |
| Manufacturer Part Number | 1SCA162737R1001 |
| Product type | Manual change-over switch |
| Open-air thermal current (Ith) | 80 A |
| Rated operational current (AC-22A / AC-23A <415 V) | 80 A / 65 A |
| Number of poles | 3 |
| Frame size | G2 |
| Copper conductor capacity | 1.5 to 35 mm² |
| Maximum operational voltage | 800 V AC |
| Mounting type | Base or DIN rail mounting |
| Terminal type | Screw terminals with IP20 protected front terminal clamps |
| Handle type | Padlockable direct-mounted knob handle |
| External operation | Optional operating shaft available |
| Dimensions (H × W × D) | Approx. 109 × 100 × 96 mm |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTC80G2-3BS is a manual change-over switch used to safely transfer electrical loads between two independent power sources, such as the mains supply and a standby generator.
The switch has an 80 A open-air thermal current with rated operational currents of 80 A AC-22A and 65 A AC-23A.
This model features a 3-pole configuration for three-phase electrical systems.
Yes. The switch is suitable for both base mounting and DIN rail mounting.
Yes. A padlockable direct-mounted operating handle is supplied as standard. External operating accessories are available separately.
ABB OT Plus change-over switches are trusted by panel builders, electrical contractors and OEM manufacturers for dependable power source transfer, robust construction and long-term industrial reliability.
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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...