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1SCA141960R1001 ABB OTDC25U6 6 Pole 1000VDC 40A Switch Disconnector
ABB OTDC25U6 DC switch disconnector with 25 A operational current, six-pole triple circuit configuration and base or DIN rail mounting for photovoltaic and industrial DC isolation.
Why Choose the ABB OTDC25U6 DC Switch Disconnector?
The ABB OTDC25U6 (1SCA141960R1001) 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.
Featuring a 6-pole triple circuit configuration, the OTDC25U6 is engineered for isolating multiple photovoltaic strings and DC power circuits. Its compact design allows both base and DIN rail mounting, while ABB's high-quality construction ensures dependable long-term performance in demanding industrial and renewable energy environments.
With a 25 A rated operational current, a 1000 V DC rated insulation voltage and robust screw terminal connections, the ABB OTDC25U6 is ideal for solar combiner boxes, PV inverter installations, battery energy storage systems and industrial DC distribution applications.
Key Advantages
- Compact DC switch disconnector for photovoltaic applications.
- Triple circuit 6-pole configuration for multiple PV strings.
- 25 A rated operational current.
- Suitable for base or DIN rail mounting.
- Reliable ABB engineering for renewable energy and industrial systems.
- IP20 protected terminals for improved installation safety.
Key Features
- ABB OTDC switch disconnector series.
- Model OTDC25U6.
- Manufacturer part number: 1SCA141960R1001.
- 25 A rated operational current.
- 6-pole triple circuit design.
- 600 V DC UL, 660 V DC IEC and 1000 V DC IEC rated.
- Base and DIN rail mounting options.
- IP20 protected terminals.
- Screw terminal connections.
- Handle and shaft supplied separately.
Reliable DC Isolation for Renewable Energy Systems
The ABB OTDC25U6 provides safe isolation of photovoltaic strings and other direct current circuits during maintenance and emergency shutdown procedures. Its robust switching mechanism delivers dependable performance while helping maintain electrical safety throughout the installation.
The triple circuit configuration makes the OTDC25U6 particularly suitable for larger photovoltaic installations where multiple DC strings require reliable isolation within a compact enclosure. Its versatile mounting options simplify installation for panel builders and renewable energy professionals.
Typical Applications
- Photovoltaic (PV) string isolation.
- Solar combiner boxes.
- PV inverter installations.
- Battery energy storage systems.
- Industrial DC distribution panels.
- Renewable energy control equipment.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Mounting Type | DIN rail | |
| Product Series | ABB OTDC | |
| Device Type | Switch Disconnector | |
| Supply Type | DC | |
| Current | 40 A | |
| IP Rating | IP20 | |
| Poles | 6-pole | |
| Manufacturer | ABB | |
| Series | OTDC Switch Disconnectors | |
| Model | OTDC25U6 | |
| Manufacturer Part Number | 1SCA141960R1001 | |
| Product type | DC switch disconnector | |
| Rated operational current | 25 A | |
| Rated voltage | 600 V DC UL, 660 V DC IEC, 1000 V DC IEC (16 A) | |
| Rated insulation voltage (Ui) | 1000 V | |
| Impulse withstand voltage (Uimp) | 8 kV | |
| Number of poles | 6 | |
| Configuration | Triple circuit | |
| Mounting type | Base or DIN rail mounting | |
| Connection type | Screw terminals (2.5 to 16 mm²) | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 89 × 54.8 × 109.5 mm | |
| Weight | approx. 0.15 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | Estonia |
Frequently Asked Questions
What is the ABB OTDC25U6 used for?
The OTDC25U6 is designed to safely isolate direct current circuits in photovoltaic systems and industrial DC installations.
What current rating does the switch have?
The switch has a 25 A rated operational current and supports photovoltaic applications up to 1000 V DC.
How is the OTDC25U6 mounted?
The switch supports both base mounting and DIN rail mounting, providing installation flexibility.
Is the operating handle included?
No. The operating handle and shaft are supplied separately and should be ordered independently.
Where is the OTDC25U6 typically installed?
It is commonly installed in photovoltaic combiner boxes, inverter systems, battery storage installations and industrial DC control panels.
Trusted by Renewable Energy Professionals
ABB OTDC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for delivering safe, reliable DC isolation in photovoltaic and industrial power systems.
