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1SCA134388R1001 ABB OTDC25UT2 2 Pole 1000VDC 40A Switch Disconnector
ABB OTDC25UT2 DC switch disconnector with 25 A operational current, two-pole single circuit configuration and door mounting for photovoltaic and industrial DC isolation.
£86.92
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.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Mounting Type | Door / front mounting | |
| Device Type | Switch Disconnector | |
| Supply Type | DC | |
| Product Series | ABB OTDC | |
| Current | 40 A | |
| IP Rating | IP20 | |
| Poles | 2-pole | |
| Manufacturer | ABB | |
| Series | OTDC Switch Disconnectors | |
| Model | OTDC25UT2 | |
| Manufacturer Part Number | 1SCA134388R1001 | |
| Product type | DC switch disconnector | |
| Rated operational current | 25 A | |
| Rated thermal current (Ith) | 25 A | |
| Rated voltage | 600 V DC UL, 660 V DC IEC, 1000 V DC IEC (16 A) | |
| Number of poles | 2 | |
| Configuration | Single circuit | |
| Mounting type | Door mounting | |
| Connection type | Screw terminals | |
| Protection rating | IP20 | |
| Weight | approx. 0.15 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | Estonia |
Frequently Asked Questions
What is the ABB OTDC25UT2 used for?
The OTDC25UT2 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 with a 25 A conventional thermal current.
What voltage is the OTDC25UT2 rated for?
It is rated for 600 V DC UL, 660 V DC IEC and 1000 V DC IEC (16 A).
Does the switch include an operating handle?
No. The operating handle and shaft are supplied separately.
Where is the OTDC25UT2 typically installed?
It is commonly installed in photovoltaic combiner boxes, inverter systems and industrial electrical enclosures requiring safe DC isolation.
Trusted by Renewable Energy Professionals
ABB OTDC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for delivering dependable DC isolation in photovoltaic and industrial power systems.
