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1SCA123847R1001 ABB OTDC32FT4 4 Pole 1000VDC 45A Switch Disconnector
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.
Why Choose the ABB OTDC32FT4 DC Switch Disconnector?
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.
Key Advantages
- Compact DC switch disconnector for safe circuit isolation.
- Suitable for photovoltaic and battery energy storage applications.
- Dual-circuit (2 x 2 pole) switching configuration.
- Reliable ABB design for demanding industrial environments.
- High insulation and impulse withstand ratings for increased safety.
- Flexible installation with separately selectable operating handle and shaft.
Key Features
- ABB OTDC switch disconnector series.
- Model: OTDC32FT4.
- Manufacturer part number: 1SCA123847R1001.
- 32 A at 660 V DC operational current.
- 20 A at 1000 V DC operational current.
- 4-pole (2 x 2 pole) switching arrangement.
- 1000 V insulation voltage.
- 8 kV impulse withstand voltage.
- Terminal bolt kit included.
- Designed for door-mounted installations with compatible ABB accessories.
Reliable DC Isolation for Renewable Energy Systems
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.
Typical Applications
- Photovoltaic (solar PV) systems.
- Battery energy storage systems (BESS).
- Industrial DC distribution panels.
- Renewable energy installations.
- OEM electrical control panels.
- Industrial power isolation applications.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Mounting Type | Door / front mounting | |
| Product Series | ABB OTDC | |
| Device Type | Switch Disconnector | |
| Supply Type | DC | |
| Current | 45 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| 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 |
Frequently Asked Questions
What is the ABB OTDC32FT4 used for?
The OTDC32FT4 is a DC switch disconnector used to safely isolate direct current circuits in photovoltaic, battery storage and industrial electrical systems.
What is the current rating of the OTDC32FT4?
It is rated at 32 A at 660 V DC and 20 A at 1000 V DC according to IEC ratings.
How many poles does this switch have?
The ABB OTDC32FT4 features a 4-pole (2 x 2 pole) configuration suitable for dual-circuit DC switching applications.
Does the switch include the operating handle?
No. The switch is supplied with a terminal bolt kit, while the operating handle and shaft are ordered separately to suit the installation.
Where is the OTDC32FT4 typically installed?
It is commonly installed in photovoltaic combiner boxes, battery storage systems, industrial DC panels and renewable energy installations requiring safe DC isolation.
Trusted by Renewable Energy Professionals Worldwide
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.
