ABB OTDCP32SA22MD enclosed DC switch disconnector rated at 32 A with a four-pole design, IP65 enclosure and red-yellow rotary handle for photovoltaic and battery energy storage systems.
The ABB 1SCA131852R1001, also known as the OTDCP32SA22MD, is a premium enclosed DC switch disconnector designed for the safe isolation of photovoltaic arrays, battery energy storage systems and other direct current applications. With a 32 A rated operational current and support for systems up to 1000 V DC, it provides dependable switching performance for commercial and industrial renewable energy installations.
Part of ABB's proven OTDCP enclosed solar switch range, this switch is housed within a durable UV-protected glass reinforced polycarbonate enclosure featuring an IP65 protection rating. The weather-resistant design makes it suitable for both indoor and outdoor installations, while threaded cable entries simplify wiring for photovoltaic strings and battery storage systems.
Its four-pole configuration incorporates a highly visible red and yellow rotary selector handle, an interlocked enclosure cover and a handle that can be secured with up to three padlocks. These safety features help prevent unauthorised operation while supporting safe maintenance procedures in renewable energy installations.
Enclosed DC switch disconnectors provide a dependable method of isolating photovoltaic arrays, battery storage systems and other DC circuits before maintenance or emergency servicing. Effective isolation helps protect personnel while maintaining the integrity and reliability of renewable energy installations.
The ABB OTDCP32SA22MD combines dependable switching performance with a durable weather-resistant enclosure, making it an ideal solution for residential, commercial and industrial solar installations requiring reliable DC isolation.
| Current | 32 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP65 |
| Manufacturer | ABB |
| Series | OTDCP Enclosed Solar Switches |
| Product ID | 1SCA131852R1001 |
| Model | OTDCP32SA22MD |
| Product type | Enclosed DC switch disconnector |
| Rated operational current | 32 A |
| Rated operational current (1000 V DC, DC-21B) | 20 A |
| Maximum operational voltage | 1000 V DC |
| Number of poles | 4 |
| Protection rating | IP65 |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Enclosure material | UV-protected glass reinforced polycarbonate |
| Handle colour | Red and yellow |
| Terminal type | Screw terminals (2.5 to 16 mm²) |
| Mounting type | Base mounting |
| Dimensions (H × W × D) | 167 × 108 × 142 mm |
| Weight | Approx. 0.63 kg |
| EAN | 6417019610863 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB 1SCA131852R1001 is an enclosed DC switch disconnector used for safely isolating photovoltaic arrays, battery systems and other direct current electrical installations.
The switch has a rated operational current of 32 A and a DC-21B rating of 20 A at 1000 V DC.
Yes. The UV-resistant enclosure has an IP65 protection rating, making it suitable for both indoor and outdoor installations.
Yes. The red and yellow rotary handle can be secured with up to three padlocks to prevent accidental or unauthorised operation during maintenance.
The OTDCP32SA22MD is commonly used in photovoltaic solar systems, battery storage installations, inverter isolation points and DC distribution panels.
ABB enclosed DC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for dependable circuit isolation, weather-resistant protection and long-term reliability in renewable energy installations.
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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...