ABB OTDC32FT4 DC switch disconnector with 4-pole configuration, rated 32 A at 660 V DC and 20 A at 1000 V DC for photovoltaic, battery storage and industrial DC isolation applications.
The ABB OTDC32FT4 (1SCA123847R1001) is a high-performance DC switch disconnector engineered to provide safe and reliable isolation in photovoltaic (PV), battery storage and industrial direct current applications. As part of the trusted ABB OTDC switch disconnector series, it delivers dependable DC isolation while supporting modern renewable energy and electrical distribution systems.
Designed for demanding installations, the OTDC32FT4 provides secure switching and isolation for dual-circuit DC systems. Its compact construction, robust design and high electrical ratings make it an excellent choice for OEMs, panel builders and electrical contractors requiring reliable DC switching performance.
With a 32 A rating at 660 V DC and 20 A at 1000 V DC, the ABB OTDC32FT4 is ideal for photovoltaic arrays, battery energy storage systems, DC distribution panels and other industrial DC installations. The switch is supplied with a terminal bolt kit, while the operating handle and shaft are ordered separately to suit the installation requirements.
DC switch disconnectors provide a safe means of isolating direct current circuits during maintenance and servicing. The ABB OTDC series is specifically designed to meet the requirements of photovoltaic installations, battery storage systems and industrial DC power applications where dependable switching performance is essential.
The OTDC32FT4 combines ABB's proven engineering with robust construction, offering long service life, dependable electrical performance and straightforward integration into modern DC electrical installations.
| Current | 45 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC32FT4 |
| MPN | 1SCA123847R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 20 A at 1000 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Number of poles | 4 (2 x 2 pole) |
| Degree of protection (front) | IP20 |
| Mounting type | Door mounted with separate handle and shaft |
| Application | DC isolation and switching |
| Supplied with | Terminal bolt kit |
| Approximate weight | 0.25 kg |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The OTDC32FT4 is a DC switch disconnector used to safely isolate direct current circuits in photovoltaic, battery storage and industrial electrical systems.
It is rated at 32 A at 660 V DC and 20 A at 1000 V DC according to IEC ratings.
The ABB OTDC32FT4 features a 4-pole (2 x 2 pole) configuration suitable for dual-circuit DC switching applications.
No. The switch is supplied with a terminal bolt kit, while the operating handle and shaft are ordered separately to suit the installation.
It is commonly installed in photovoltaic combiner boxes, battery storage systems, industrial DC panels and renewable energy installations requiring safe DC isolation.
ABB OTDC switch disconnectors are trusted by panel builders, electrical contractors and renewable energy engineers for delivering safe, reliable DC isolation across demanding industrial and photovoltaic applications.
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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...