ABB OTDC25UT2 DC switch disconnector with 25 A operational current, two-pole single circuit configuration and door mounting for photovoltaic and industrial DC isolation.
£133.73
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.
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.
| Current | 40 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| 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 |
The OTDC25UT2 is designed to safely isolate direct current circuits in photovoltaic systems and industrial DC installations.
The switch has a 25 A rated operational current with a 25 A conventional thermal current.
It is rated for 600 V DC UL, 660 V DC IEC and 1000 V DC IEC (16 A).
No. The operating handle and shaft are supplied separately.
It is commonly installed in photovoltaic combiner boxes, inverter systems and industrial electrical enclosures requiring safe DC isolation.
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.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...