ABB OTHV630E04 four-pole 630A switch disconnector for 800–1000 V AC industrial electrical isolation.
The ABB OTHV630E04, product code 1SCA162990R1001, is a heavy-duty four-pole switch disconnector designed for safe electrical isolation and reliable switching in industrial installations operating between 800 and 1000 V AC. As part of the ABB OTHV high-voltage switch disconnector range, it is engineered for demanding applications including industrial power distribution, renewable energy systems, OEM machinery and process automation.
This front-operated, base-mounted switch disconnector provides dependable manual isolation while allowing installers to select the most suitable external operating mechanism for their enclosure. The operating handle and shaft are supplied separately, providing maximum flexibility for panel builders and switchboard manufacturers.
With a 630 A rated operational current for AC-21A and AC-22A applications, a 400 A AC-23A rating, 12 kV impulse withstand voltage and compliance with IEC 60947-3, the OTHV630E04 delivers dependable long-term performance in high-voltage industrial installations.
The ABB OTHV630E04 is designed to provide dependable manual isolation of industrial electrical circuits before maintenance, servicing or inspection. Its four-pole switching mechanism enables simultaneous isolation of all conductors, making it suitable for high-voltage distribution equipment where safety and reliability are essential.
Its modular construction allows installers to select the appropriate ABB operating shaft and external handle for the enclosure, making the switch an ideal solution for industrial switchboards, renewable energy installations, OEM machinery and electrical distribution systems.
| Current | 630 A |
|---|---|
| Voltage | 800 V |
| Phase | Three Phase |
| IP Rating | IP00 |
| Manufacturer | ABB |
| Series | OTHV |
| Model | OTHV630E04 |
| Manufacturer Part Number | 1SCA162990R1001 |
| Alternative SKU | OTHV630E04 |
| Product Type | Switch Disconnector |
| Number of Poles | 4 |
| Operation | Front operated |
| Mounting | Base mounted |
| Rated Operational Voltage | 800–1000 V AC |
| Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operational Current (AC-21A / AC-22A) | 630 A |
| Rated Operational Current (AC-23A) | 400 A |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Terminal Type | 39 mm lug terminals |
| Mechanical Durability | 10,000 operations |
| Protection Rating | IP00 |
| Height | 250 mm |
| Width | 331 mm |
| Depth | 140 mm |
| EAN | 6417019929422 |
| Country of Origin | Finland |
| Handle & Shaft | Not included (ordered separately) |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It provides safe manual switching and electrical isolation for industrial systems operating between 800 and 1000 V AC.
This model features a four-pole switching configuration for applications requiring simultaneous isolation of four conductors.
No. The operating handle and shaft are supplied separately, allowing installers to select the most suitable operating accessories.
The switch is rated at 630 A for AC-21A and AC-22A applications and 400 A for AC-23A applications.
It is commonly installed in industrial switchboards, electrical control panels, renewable energy systems and OEM machinery requiring safe high-voltage isolation.
ABB OTHV switch disconnectors are trusted by panel builders, OEM manufacturers and electrical engineers for dependable electrical 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...