ABB OTDC100E11 2-pole DC switch disconnector rated at 100 A and 1000 V DC for photovoltaic systems, battery storage and industrial DC isolation applications.
£369.74
The ABB 1SCA125821R1001, also known as the OTDC100E11, is a high-performance DC switch disconnector designed specifically for photovoltaic installations, battery energy storage systems and other demanding direct current applications. Rated at 100 A with a maximum operational voltage of 1000 V DC, it delivers reliable load switching and safe circuit isolation for renewable energy systems.
Part of ABB's proven OTDC DC switch-disconnector range, the OTDC100E11 features a compact base-mounted design with the operating mechanism positioned between the poles. It is supplied with a terminal bolt kit, while compatible operating handles and shafts are ordered separately to suit the installation.
Designed to comply with IEC standards for photovoltaic switching applications, this robust switch disconnector offers excellent electrical performance, low power losses and dependable long-term operation. It is widely specified by panel builders, solar installers and industrial electrical engineers for safe DC isolation.
DC switch disconnectors provide a dependable method of isolating photovoltaic arrays and other direct current circuits before maintenance, servicing or emergency shutdown. Proper DC isolation improves operator safety while protecting electrical equipment during installation and maintenance.
The ABB OTDC100E11 combines compact dimensions with high electrical performance, making it an excellent choice for solar combiner boxes, battery storage systems and industrial DC control panels where dependable switching is essential.
| Current | 100 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Product ID | 1SCA125821R1001 |
| Model | OTDC100E11 |
| Product type | DC switch disconnector |
| Rated operational current | 100 A |
| Rated operational voltage | 1000 V DC |
| Number of poles | 2 |
| Utilisation category | DC-21B |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Mounting type | Base mounting |
| Terminal type | Lug terminals |
| Standards | IEC 60947-1, IEC 60947-3 |
| Dimensions (H × W × D) | approx. 176 × 116 × 85 mm |
| Weight | approx. 1.1 kg |
| EAN | 6417019558073 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OTDC100E11 is a DC switch disconnector used to safely isolate photovoltaic arrays, battery storage systems and other direct current electrical installations.
The switch has a rated operational current of 100 A at 1000 V DC.
No. The switch is supplied with a terminal bolt kit, while compatible ABB handles and shafts are ordered separately to suit the installation.
The OTDC100E11 is a 2-pole DC switch disconnector with the operating mechanism positioned between the poles.
It is ideal for photovoltaic systems, battery energy storage, renewable energy installations and industrial DC power distribution applications.
ABB OTDC DC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for reliable circuit isolation, outstanding electrical performance 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...