Why Choose the ABB OTDC25UT2 DC Switch Disconnector?
The ABB OTDC25UT2 (1SCA134388R1001) is a compact and dependable DC switch disconnector designed specifically for photovoltaic (PV) systems and industrial direct current applications. As part of the proven ABB OTDC switch disconnector range, it provides safe and reliable isolation of DC circuits while supporting efficient installation within renewable energy systems and electrical control panels.
Engineered with a 2-pole single circuit configuration, the OTDC25UT2 is ideal for isolating photovoltaic strings, battery storage systems and industrial DC equipment. Its compact door-mounted design simplifies installation, while ABB's high-quality construction ensures dependable long-term performance in demanding environments.
With a 25 A rated operational current, a 25 A conventional thermal current and support for up to 1000 V DC, the ABB OTDC25UT2 is suitable for modern solar installations requiring reliable DC isolation and compliance with recognised international standards.
Key Advantages
- Compact DC switch disconnector for photovoltaic applications.
- 1000 V DC IEC and 600 V DC UL rated.
- 25 A rated operational current.
- 2-pole single circuit configuration.
- Door-mounted installation.
- Reliable ABB engineering for renewable energy and industrial systems.
Key Features
- ABB OTDC switch disconnector series.
- Model OTDC25UT2.
- Manufacturer part number: 1SCA134388R1001.
- 25 A rated operational current.
- 25 A conventional thermal current (Ith).
- 1000 V DC IEC / 600 V DC UL rated.
- 2-pole single circuit design.
- Door mounting.
- IP20 protected terminal clamps.
- Screw terminal connections.
Reliable DC Isolation for Solar Installations
The ABB OTDC25UT2 provides safe isolation of photovoltaic strings and other direct current circuits during servicing and maintenance. Its robust switching mechanism ensures reliable operation while helping maintain electrical safety throughout the installation.
Designed for renewable energy applications, the OTDC25UT2 is widely used in PV combiner boxes, inverter systems and industrial DC control panels where dependable circuit isolation is essential.
Typical Applications
- Photovoltaic (PV) string isolation.
- Solar combiner boxes.
- PV inverter installations.
- Battery energy storage systems.
- Industrial DC distribution panels.
- Renewable energy control systems.
