ABB OTDC500F02 2-pole DC switch disconnector rated at 500 A and 1000 V DC for photovoltaic systems, battery energy storage and industrial DC isolation.
The ABB 1SCA158206R1001, also known as the OTDC500F02, is a heavy-duty 2-pole DC switch disconnector engineered for safe isolation in utility-scale photovoltaic installations, battery energy storage systems and industrial direct current applications. Rated at 500 A with a maximum operational voltage of 1000 V DC, it provides dependable load switching and reliable circuit isolation for high-power renewable energy systems.
Part of ABB's advanced OTDC range, the OTDC500F02 features a compact base-mounted design with a front-operated mechanism positioned at the end of the switch. The optimised construction minimises installation space while maintaining excellent electrical performance, making it ideal for combiner boxes, central inverter systems and industrial DC distribution equipment.
Designed in accordance with IEC 60947-1 and IEC 60947-3, the OTDC500F02 delivers outstanding reliability, robust mechanical durability and low power losses. Compatible ABB operating handles and shafts are ordered separately, providing flexibility for a wide range of enclosure designs.
Modern utility-scale photovoltaic installations require switching equipment capable of safely isolating high-current DC circuits while maintaining long-term operational reliability. Purpose-designed DC switch disconnectors help improve maintenance safety, minimise downtime and ensure dependable electrical performance.
The ABB OTDC500F02 combines a compact footprint, robust construction and excellent switching capability, making it an ideal solution for solar combiner boxes, central inverter systems, battery energy storage equipment and industrial DC distribution installations.
| Current | 500 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Product ID | 1SCA158206R1001 |
| Model | OTDC500F02 |
| Product type | DC switch disconnector |
| Rated operational voltage | 1000 V DC |
| Rated operational current (DC-21B) | 500 A |
| Rated operational current (DC-22B) | 400 A |
| Rated operational current (DC-PV1/DC-PV2) | 500 A |
| Number of poles | 2 |
| Number of circuits | 1 |
| Circuit configuration | 2a, 2b |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Short-time withstand current (Icw) | 10 kA for 1 second |
| Degree of protection | IP20 (front) |
| Terminal type | 30 mm lug terminals |
| Mounting type | Base mounting |
| Operation | Front operated |
| Operating mechanism | Positioned at the end of the switch |
| Mechanical durability | 10,000 operating cycles |
| Operating handle | Ordered separately |
| Operating shaft | Ordered separately |
| Dimensions (H × W × D) | 211 × 157.5 × 135 mm |
| Net weight | Approx. 3.6 kg |
| EAN | 6417019873114 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OTDC500F02 is a DC switch disconnector designed for safely isolating high-current photovoltaic arrays, battery storage systems and industrial direct current installations.
The OTDC500F02 is rated at 500 A and is designed for operation at up to 1000 V DC.
It is a 2-pole, single-circuit DC switch disconnector with a 2a, 2b connection configuration.
No. Compatible ABB operating handles and operating shafts are ordered separately to suit the installation.
It is ideal for utility-scale photovoltaic installations, combiner boxes, battery energy storage systems, inverter equipment and industrial DC power distribution.
ABB OTDC switch disconnectors are trusted worldwide by renewable energy manufacturers, panel builders and electrical engineers for dependable high-current DC isolation, compact installation 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...