Why Choose the ABB OTDC25U2 PV Disconnect Switch?
The ABB OTDC25U2 (1SCA134375R1001) is a compact and dependable DC PV disconnect switch engineered to provide safe isolation for photovoltaic (PV), battery energy storage and industrial direct current applications. As part of the trusted ABB OTDC switch disconnector series, it delivers reliable switching performance while complying with IEC 60947-3 and UL 508i standards for renewable energy installations.
Designed for OEMs, panel builders and electrical contractors, the OTDC25U2 features a 2-pole single-circuit configuration with base or DIN rail mounting, making it ideal for photovoltaic combiner boxes, battery storage systems and industrial DC control panels. Its compact footprint, touch-safe IP20 terminals and flexible installation simplify panel assembly while ensuring dependable long-term performance.
With a 25 A operational rating at 600 V DC (UL), 25 A at 660 V DC (IEC) and 16 A at 1000 V DC (IEC), the ABB OTDC25U2 provides dependable DC isolation for solar installations and other demanding direct current applications. A terminal bolt kit is included, while compatible operating handles and shafts are supplied separately.
Key Advantages
- Compact DC PV disconnect switch for safe circuit isolation.
- 25 A switching capacity for higher current photovoltaic installations.
- 2-pole single-circuit configuration for renewable energy systems.
- Suitable for base or DIN rail mounting.
- Touch-safe IP20 protected terminal clamps.
- Reliable ABB switching technology for demanding industrial environments.
Key Features
- ABB OTDC switch disconnector series.
- Model: OTDC25U2.
- Manufacturer part number: 1SCA134375R1001.
- 25 A at 600 V DC (UL).
- 25 A at 660 V DC (IEC).
- 16 A at 1000 V DC (IEC).
- 2-pole single-circuit configuration.
- Base or DIN rail mounting.
- Terminal bolt kit included.
- Handles and shafts available separately.
Reliable DC Isolation for Solar Energy Systems
DC disconnect switches provide a safe means of isolating photovoltaic strings during installation, maintenance and servicing. The ABB OTDC range has been specifically developed for renewable energy applications, delivering dependable switching performance and long service life in demanding operating environments.
The OTDC25U2 combines ABB's proven engineering with compact construction, enabling straightforward integration into photovoltaic arrays, battery storage systems and industrial DC installations while maintaining high levels of safety and reliability.
Typical Applications
- Solar photovoltaic systems.
- PV combiner boxes.
- Battery energy storage systems.
- Industrial DC distribution panels.
- Renewable energy installations.
- OEM electrical control equipment.
