ABB OTHV400E03W three-pole 400 A switch disconnector for 800 to 1000 V AC industrial electrical isolation and power distribution.
The ABB OTHV400E03W, product code 1SCA162982R1001, is a heavy-duty three-pole switch disconnector designed to provide safe electrical isolation and reliable switching in industrial systems operating between 800 and 1000 V AC. As part of the advanced ABB OTHV switch disconnector series, it is engineered for demanding power distribution, renewable energy and industrial automation applications.
Its front-operated, base-mounted construction enables straightforward installation inside switchboards and electrical control panels while delivering dependable manual isolation. Built to ABB's proven high-voltage switch disconnector platform, it offers long service life and excellent reliability in demanding industrial environments.
With a 400 A rated operational current for AC-21A and AC-22A applications and a 250 A rating for AC-23A applications, the OTHV400E03W is ideal for high-current industrial circuits. The operating shaft and handle are supplied separately, allowing installers to select the most appropriate operating mechanism for each enclosure.
The ABB OTHV400E03W provides dependable manual isolation of industrial electrical circuits, allowing equipment to be safely disconnected before inspection, servicing or maintenance. Its robust switching mechanism enhances operational safety while reducing downtime across demanding industrial installations.
Designed for modern power distribution systems, the OTHV series combines high current ratings, dependable switching performance and flexible installation options, making it an excellent choice for panel builders, OEM manufacturers and electrical engineers.
| Current | 400 A |
|---|---|
| Voltage | 800 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Manufacturer | ABB |
| Series | OTHV |
| Model | OTHV400E03W |
| Product ID | 1SCA162982R1001 |
| Product type | Switch disconnector |
| Number of poles | 3 |
| Operation | Front operated |
| Mounting type | Base mounting |
| Rated operational voltage | 800 to 1000 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated operational current AC-21A / AC-22A | 400 A |
| Rated operational current AC-23A | 250 A |
| Conventional thermal current | 400 A |
| Rated impulse withstand voltage | 12 kV |
| Protection rating | IP00 |
| Terminal type | Lug terminals |
| Mechanical durability | 16,000 operations |
| Dimensions (H × W × D) | approx. 220 × 221 × 107 mm |
| EAN | 6417019929347 |
| Country of origin | Finland |
| Handle and shaft | Ordered separately |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTHV400E03W is designed to safely switch and isolate industrial electrical circuits operating between 800 and 1000 V AC.
It provides a rated operational current of 400 A for AC-21A and AC-22A applications and 250 A for AC-23A applications.
No. The operating handle and shaft are supplied separately, allowing installers to select the most suitable operating accessories.
This model features a three-pole configuration for industrial three-phase electrical systems.
It is commonly installed inside industrial switchboards, electrical control panels and power distribution equipment requiring safe manual isolation.
ABB OTHV switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit isolation, robust switching performance 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...