ABB OTDC100U11 100 A DC switch disconnector for photovoltaic systems, battery energy storage and industrial DC isolation applications.
£506.57
The ABB 1SCA123957R1001, also known as the OTDC100U11, is a heavy-duty DC switch disconnector engineered for the safe isolation of photovoltaic systems, battery energy storage installations and other high-current direct current applications. Rated at 100 A, it provides dependable switching performance and reliable isolation for demanding renewable energy systems.
Part of ABB's proven OTDC DC switch disconnector range, the OTDC100U11 is designed for panel mounting and complies with internationally recognised IEC standards for low-voltage switchgear. Its robust construction, low contact resistance and high electrical endurance make it ideal for commercial and industrial DC power installations.
The switch is supplied as a base-mounted unit with terminal hardware included, while compatible operating handles and shafts can be selected separately to suit the control panel design. This flexible configuration allows simple integration into photovoltaic combiner boxes, battery storage systems and industrial DC distribution equipment.
DC switch disconnectors provide a safe method of isolating photovoltaic arrays, battery storage systems and other direct current equipment before maintenance or servicing. Reliable isolation helps protect personnel while ensuring equipment can be safely inspected and maintained.
The ABB OTDC100U11 combines robust mechanical construction with dependable electrical performance, making it a preferred choice for engineers, panel builders and renewable energy installers requiring long-term reliability.
| Current | 160 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Product ID | 1SCA123957R1001 |
| Model | OTDC100U11 |
| Product type | DC switch disconnector |
| Rated operational current | 100 A |
| Application | Single circuit DC isolation |
| Mounting type | Base mounting |
| Terminal type | Bolt terminals |
| Operating handle | Ordered separately |
| Standards | IEC 60947-1, IEC 60947-3 |
| Suitable for | Photovoltaic and battery energy storage systems |
| Weight | Approx. 1.2 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OTDC100U11 is a DC switch disconnector designed to safely isolate photovoltaic systems, battery storage installations and other direct current electrical equipment.
The OTDC100U11 has a rated operational current of 100 A.
No. Compatible ABB operating handles and shafts are ordered separately to suit the installation requirements.
It is commonly installed in photovoltaic combiner boxes, battery storage systems and industrial DC control panels.
Yes. The OTDC100U11 is designed in accordance with IEC 60947 switch-disconnector standards.
ABB OTDC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for reliable DC isolation, durable construction and dependable long-term performance.
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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...