ABB OTHV250E03W 3 pole front-operated base-mounted switch disconnector rated at 250 A for 800 to 1000 V AC industrial isolation applications.
The ABB OTHV250E03W (1SCA162970R1001) is a robust 3-pole switch disconnector designed to provide safe, reliable isolation for industrial and commercial electrical systems operating between 800 V AC and 1000 V AC. Part of ABB's proven OTHV switch disconnector range, it delivers dependable switching performance for industrial switchboards, renewable energy systems and OEM machinery.
Designed as a front-operated, base-mounted switch disconnector, the OTHV250E03W is rated at 250 A for AC-21A and AC-22A applications, with a 135 A AC-23A rating. This version is supplied without an operating handle or shaft, allowing installers to select compatible ABB accessories to suit their enclosure and installation requirements.
Manufactured in accordance with IEC 60947-3, the OTHV250E03W offers outstanding mechanical durability, high electrical performance and long service life, making it an excellent choice for demanding industrial isolation applications.
The ABB OTHV250E03W provides safe manual isolation of high-voltage AC circuits, allowing maintenance and servicing to be carried out safely while minimising downtime. Its rugged construction and proven ABB switching technology ensure dependable operation in demanding industrial environments.
Ideal for industrial switchboards, OEM equipment, renewable energy installations and power distribution systems, the OTHV250E03W offers installation flexibility by allowing compatible ABB operating handles and shafts to be selected separately.
| Current | 250 A |
|---|---|
| Voltage | 800 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Manufacturer | ABB |
| Series | OTHV Switch Disconnectors |
| Model | OTHV250E03W |
| Manufacturer Part Number | 1SCA162970R1001 |
| Product type | Switch disconnector |
| Number of poles | 3 |
| Rated operational current | 250 A (AC-21A / AC-22A) |
| Rated operational current AC-23A | 135 A |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Short-time withstand current (Icw) | 8 kA |
| Mechanical durability | 20,000 operations |
| Connection type | Bolt / lug terminals |
| Protection rating | Front IP00 |
| Mounting | Front operated, base mounted |
| Dimensions (H × W × D) | 170 × 169.5 × 82.5 mm |
| Weight | Approximately 1.3 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is a 3-pole switch disconnector designed to safely isolate high-voltage AC electrical circuits in industrial and commercial installations.
No. The operating handle and shaft are supplied separately, allowing installers to choose compatible ABB accessories.
The switch is rated at 250 A for AC-21A and AC-22A applications, with a 135 A AC-23A rating.
The OTHV250E03W is suitable for electrical systems operating between 800 V AC and 1000 V AC.
Typical applications include industrial switchboards, power distribution systems, OEM machinery, motor control centres and renewable energy installations.
ABB OTHV switch disconnectors are trusted worldwide by panel builders, OEM manufacturers and industrial engineers for delivering dependable electrical isolation, exceptional durability and reliable long-term performance.
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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...