ABB OTDC25FT3 3-pole door-mounted DC switch disconnector rated at 25 A and 1000 V DC for photovoltaic systems, battery storage and industrial DC isolation.
£133.47
The ABB OTDC25FT3 (Part Number 1SCA123843R1001) is a compact door-mounted DC switch disconnector designed to provide safe and dependable isolation of direct current circuits in photovoltaic systems, battery energy storage installations and industrial DC applications. As part of the proven ABB OTDC switch disconnector range, it delivers reliable manual switching while helping protect personnel and equipment during maintenance and servicing.
Designed specifically for door-mounted installations, the OTDC25FT3 features IP20 protected terminal clamps and includes the required terminal bolt kit and jumpers for installation. The operating handle and shaft are supplied separately, allowing installers to select the most suitable operating mechanism for the enclosure.
With a 25 A rated operational current at 1000 V DC, a 3-pole single-circuit configuration and robust ABB construction, the OTDC25FT3 is ideal for solar combiner boxes, battery storage systems and industrial DC distribution equipment requiring reliable isolation.
The ABB OTDC25FT3 is engineered to safely isolate direct current circuits in photovoltaic arrays, battery storage systems and industrial DC installations. Its compact door-mounted design makes it ideal for electrical enclosures where dependable switching and straightforward operation are essential.
Manufactured using ABB's proven DC switching technology, the OTDC25FT3 delivers reliable long-term performance while helping improve operational safety whenever maintenance or servicing is required.
| Current | 32 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC25FT3 |
| Manufacturer Part Number | 1SCA123843R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 25 A |
| Rated operational voltage | 1000 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Conventional thermal current (Ith) | 32 A |
| Number of poles | 3 |
| Number of circuits | Single circuit |
| Mounting type | Door mounting |
| Terminal type | Screw terminals (2.5–16 mm²) |
| Protection rating | IP20 |
| Dimensions (H × W × D) | 69 × 52.5 × 76 mm |
| Weight | Approx. 0.20 kg |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The OTDC25FT3 provides safe manual isolation of direct current circuits in photovoltaic systems, battery storage installations and industrial DC applications.
The switch is rated at 25 A with a maximum operational voltage of 1000 V DC.
The switch features a 3-pole single-circuit configuration.
Yes. The OTDC25FT3 is specifically designed for installation in door-mounted electrical enclosures.
No. The operating handle and shaft are supplied separately, while the required terminal bolt kit and jumpers are included.
ABB OTDC switch disconnectors are trusted by panel builders, renewable energy installers and industrial engineers for delivering dependable DC isolation, compact installation and long-term operational reliability.
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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...