Why Choose the ABB OTDC250E22 DC Switch Disconnector?
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.
Key Advantages
- Compact DC switch disconnector for demanding industrial and renewable energy systems.
- 250 A rated operational current for high power DC applications.
- 1000 V DC operating voltage suitable for photovoltaic and battery storage installations.
- 4-pole double circuit configuration for flexible system design.
- Low power losses help improve overall system efficiency.
- Reliable ABB engineering ensures long service life and dependable operation.
Key Features
- ABB OTDC DC switch disconnector series.
- 250 A rated operational current.
- 1000 V DC operational voltage.
- 4-pole double circuit (E22) configuration.
- Compact base mounting design.
- Terminal bolt kit included.
- Operating handle and shaft supplied separately.
- Manufactured in accordance with IEC 60947-1 and IEC 60947-3.
Reliable DC Isolation for High Power 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.
Typical Applications
- Solar photovoltaic (PV) systems.
- Battery energy storage systems (BESS).
- Industrial DC distribution panels.
- Renewable energy infrastructure.
- OEM electrical control panels.
- DC motor isolation and power distribution.
