ABB OTDC250E22 DC switch disconnector rated at 250 A and 1000 V DC for photovoltaic, battery energy storage and industrial DC isolation applications.
£1,037.80
The ABB OTDC250E22 (SKU 1SCA125869R1001) is a heavy-duty DC switch disconnector designed to provide safe and reliable isolation of direct current circuits in photovoltaic (PV), battery energy storage and industrial DC power applications. As part of the proven ABB OTDC switch disconnector series, it offers dependable switching performance, compact installation and outstanding operational reliability for demanding renewable energy systems.
Designed specifically for high voltage DC installations, the OTDC250E22 features a compact footprint with exceptionally low power losses, making it ideal for modern electrical installations where efficiency and safety are essential. The switch is supplied with a terminal bolt kit, while the operating handle and shaft are ordered separately to provide installation flexibility for panel builders and OEMs.
With a 250 A rated operational current, 1000 V DC operating voltage and a 4-pole double circuit configuration, the ABB OTDC250E22 delivers dependable DC isolation for industrial power distribution and renewable energy applications.
The ABB OTDC250E22 is engineered to safely disconnect high current direct current circuits while maintaining exceptional reliability in demanding operating environments. Its advanced contact design provides efficient switching with minimal power loss, helping maximise system performance in renewable energy and industrial DC installations.
As part of ABB's globally recognised OTDC product family, the OTDC250E22 offers straightforward integration into electrical control panels, photovoltaic combiner boxes and battery energy storage systems where dependable DC isolation is critical.
| Current | 250 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Model | OTDC250E22 |
| SKU | 1SCA125869R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 250 A |
| Rated operational voltage | 1000 V DC |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 4 |
| Configuration | Double circuit (E22) |
| Mounting type | Base mounting |
| Connection type | Bolt connection |
| Protection rating | IP20 |
| Approximate dimensions (H × W × D) | 262 × 185 × 91 mm |
| Approximate weight | 1.9 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC250E22 is designed to safely isolate direct current circuits in photovoltaic systems, battery energy storage installations and industrial DC applications.
The ABB OTDC250E22 has a 250 A rated operational current.
The switch is designed for installations operating up to 1000 V DC.
No. The terminal bolt kit is included, while the operating handle and shaft are supplied separately.
It is commonly installed in photovoltaic combiner boxes, battery energy storage systems, industrial DC distribution equipment and renewable energy installations.
ABB OTDC switch disconnectors are trusted worldwide by electrical engineers, panel builders and renewable energy specialists for delivering safe, reliable and efficient DC isolation in demanding industrial and renewable energy applications.
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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...