ABB OTDCP25SA22MD enclosed DC switch disconnector rated at 25 A and 1000 V DC with a four-pole design, IP65 enclosure and red-yellow rotary handle for photovoltaic and battery energy storage applications.
The ABB 1SCA131851R1001, also known as the OTDCP25SA22MD, is a robust enclosed DC switch disconnector engineered for the safe isolation of photovoltaic arrays, battery energy storage systems and other direct current installations. Rated at 25 A and designed for operation up to 1000 V DC, it provides reliable on-load switching and dependable circuit isolation for renewable energy applications.
Part of ABB's proven OTDCP enclosed solar switch range, this switch features a durable UV-protected glass reinforced polycarbonate enclosure with an IP65 protection rating, making it suitable for demanding indoor and outdoor environments. Threaded cable entries with knock-out holes allow flexible installation for photovoltaic systems, battery storage installations and industrial DC power equipment.
Its four-pole configuration incorporates a highly visible red and yellow rotary selector handle, an interlocked enclosure cover and a padlockable mechanism capable of accepting up to three padlocks. These features improve operator safety during maintenance while providing secure isolation in commercial and industrial renewable energy systems.
Enclosed DC switch disconnectors provide a safe means of isolating photovoltaic arrays, battery storage systems and other DC circuits before maintenance or emergency servicing. Proper isolation helps protect personnel while maintaining the integrity and reliability of renewable energy installations.
The ABB OTDCP25SA22MD combines dependable switching performance with a rugged weather-resistant enclosure, making it an excellent solution for residential, commercial and industrial solar power systems requiring safe DC isolation.
| Current | 25 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP65 |
| Manufacturer | ABB |
| Series | OTDCP Enclosed Solar Switches |
| Product ID | 1SCA131851R1001 |
| Model | OTDCP25SA22MD |
| Product type | Enclosed DC switch disconnector |
| Rated operational current | 25 A |
| Maximum operational voltage | 1000 V DC |
| Number of poles | 4 |
| Utilisation category | DC-21B |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Protection rating | IP65 |
| Enclosure material | UV-protected glass reinforced polycarbonate |
| Handle colour | Red and yellow |
| Terminal type | Screw terminals |
| Cable capacity | 2.5 to 16 mm² |
| Cable entries | 2 × M20 threaded knock-outs, top and bottom |
| Dimensions (H × W × D) | 167 × 108 × 142 mm |
| Weight | Approx. 0.63 kg |
| EAN | 6417019610856 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB 1SCA131851R1001 is an enclosed DC switch disconnector designed for safely isolating photovoltaic arrays, battery systems and other direct current electrical installations.
The OTDCP25SA22MD has a rated operational current of 25 A.
This enclosed solar switch is suitable for DC systems operating up to 1000 V DC.
Yes. The enclosure is manufactured from UV-resistant glass reinforced polycarbonate and carries an IP65 protection rating for indoor and outdoor use.
Yes. The red and yellow selector handle can be secured with up to three padlocks to help prevent accidental or unauthorised operation during maintenance.
ABB enclosed DC switch disconnectors are widely trusted by solar installers, electrical contractors and panel builders for reliable circuit isolation, durable construction and long-term performance 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...