ABB OTHV1250E12 3 pole switch disconnector for 800 to 1000 V AC industrial power distribution with 1600 A thermal current and 1250 A operational current.
The ABB OTHV1250E12 (1SCA162934R1001) is a heavy-duty 3-pole switch disconnector engineered to provide safe electrical isolation and dependable switching in high-current industrial power distribution systems. Part of the proven ABB OTHV switch disconnector range, it is specifically designed for demanding applications operating between 800 and 1000 V AC.
Manufactured in accordance with IEC 60947-3, the OTHV1250E12 combines robust construction, excellent switching performance and a long mechanical service life. Its front-operated, base-mounted design makes it ideal for industrial switchboards, OEM equipment and critical electrical distribution systems where reliable isolation is essential. Operating handle and shaft are supplied separately.
Featuring a 1600 A conventional thermal current, a 1250 A AC-21A/AC-22A operational current and a 1250 A AC-23A operational current, the OTHV1250E12 provides dependable performance for demanding industrial applications while supporting safe maintenance procedures and operational continuity.
The ABB OTHV1250E12 delivers dependable isolation for high-current electrical circuits while providing reliable switching performance in demanding industrial environments. Its rugged construction ensures long-term durability and dependable operation where electrical safety is critical.
Designed for industrial switchboards, renewable energy systems, motor control centres and OEM power distribution equipment, the OTHV1250E12 offers dependable performance with the flexibility to select the most suitable ABB operating handle and shaft for the application.
| Current | 1600 A |
|---|---|
| Voltage | 800 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Manufacturer | ABB |
| Series | OTHV Switch Disconnectors |
| Model | OTHV1250E12 |
| Manufacturer Part Number | 1SCA162934R1001 |
| EAN | 6417019928869 |
| Product type | Switch disconnector |
| Number of poles | 3 |
| Rated operational voltage | 800–1000 V AC |
| Conventional thermal current (Ith) | 1600 A |
| Rated operational current AC-21A / AC-22A | 1250 A |
| Rated operational current AC-23A | 1250 A |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated short-time withstand current (Icw) | 50 kA (1 s) |
| Protection rating | IP00 |
| Terminal type | Bolt terminals |
| Mounting type | Base mounted |
| Dimensions (H × W × D) | 372 × 334.5 × 167 mm |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is designed for safely isolating and switching high-current electrical circuits in industrial power distribution systems.
The switch features a 1600 A conventional thermal current with a 1250 A operational current for AC-21A, AC-22A and AC-23A applications.
No. The operating handle and operating shaft are supplied separately and should be ordered to suit the installation.
The OTHV1250E12 is designed for applications operating between 800 and 1000 V AC.
It is designed and tested in accordance with IEC 60947-3.
ABB OTHV switch disconnectors are trusted worldwide for providing dependable electrical isolation, exceptional durability and reliable switching performance in demanding industrial power distribution applications.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...