Why Choose the ABB OTDCP25SA11M Enclosed DC Switch Disconnector?
The ABB OTDCP25SA11M (1SCA125127R1001) is a premium enclosed DC switch disconnector engineered for photovoltaic (PV) systems, battery energy storage installations and industrial DC applications. Part of the trusted ABB OTDCP enclosed switch disconnector range, it delivers safe, dependable isolation of direct current circuits within a robust IP65-rated enclosure suitable for both indoor and outdoor installations.
Featuring a 2-pole single circuit configuration, the OTDCP25SA11M is supplied with a highly visible red and yellow selector handle incorporating ON/OFF indication, an integrated cover interlock and padlocking capability for enhanced operator safety. The enclosure is manufactured from UV-resistant glass reinforced polycarbonate, ensuring excellent durability in demanding renewable energy environments.
With a 25 A rated operational current, support for DC applications up to 660 V DC, threaded cable entries and ABB's proven switching technology, the OTDCP25SA11M is ideally suited for solar combiner boxes, photovoltaic arrays, battery storage systems and industrial DC distribution equipment.
Key Advantages
- Designed specifically for photovoltaic and renewable energy installations.
- IP65 weatherproof enclosure for indoor and outdoor use.
- 25 A rated operational current.
- 2-pole single circuit configuration.
- Highly visible red and yellow selector handle.
- Padlockable operating handle with integrated cover interlock.
Key Features
- ABB OTDCP enclosed switch disconnector series.
- Model OTDCP25SA11M.
- Manufacturer Part Number: 1SCA125127R1001.
- 25 A rated operational current.
- 660 V DC operational rating (DC-21B).
- 2-pole single circuit configuration.
- IP65 UV-resistant polycarbonate enclosure.
- Red and yellow selector handle with ON/OFF indication.
- Padlockable for up to three padlocks.
- Integrated cover interlock.
- 2 × M20 top and 2 × M20 bottom threaded cable entries.
- Screw terminals accepting 2.5–16 mm² conductors.
Reliable DC Isolation for Renewable Energy Systems
The ABB OTDCP25SA11M provides safe isolation of photovoltaic strings, battery storage systems and other direct current circuits during maintenance and emergency shutdown procedures. Its enclosed construction protects the switching mechanism against dust, moisture and UV exposure while delivering dependable long-term performance.
The combination of ABB's proven DC switching technology, highly visible emergency operating handle and IP65 weatherproof enclosure makes this switch an excellent choice for renewable energy installers, OEM panel builders and industrial electrical contractors.
Typical Applications
- Photovoltaic (PV) systems.
- Solar combiner boxes.
- PV inverter installations.
- Battery energy storage systems.
- Industrial DC distribution panels.
- Renewable energy control equipment.
