ABB OTDC500F33 DC switch disconnector rated at 500 A and 1000 V DC with a 6-pole triple-circuit configuration for photovoltaic systems, battery storage and industrial DC isolation.
The ABB OTDC500F33 (Part Number 1SCA158288R1001) is a robust DC switch disconnector designed to provide safe and reliable isolation in high-current direct current installations. As part of the proven ABB OTDC switch disconnector range, it is engineered for photovoltaic systems, battery energy storage installations and industrial DC power applications requiring dependable switching performance.
Built to meet the demands of modern renewable energy and industrial environments, the OTDC500F33 combines compact dimensions with excellent electrical performance. It enables safe manual isolation of DC circuits during maintenance while supporting long service life and dependable operation.
Featuring a 500 A rated operational current, 1000 V DC operating voltage and a 6-pole triple-circuit configuration, the OTDC500F33 is ideal for utility-scale solar installations, combiner boxes, energy storage systems and industrial DC distribution equipment.
The ABB OTDC series is specifically developed for switching and isolating direct current circuits safely and efficiently. By providing dependable isolation, the OTDC500F33 helps improve system safety while protecting personnel and electrical equipment during inspection and maintenance procedures.
Its high current capability and compact footprint make it particularly suitable for modern photovoltaic installations, battery storage systems and industrial DC applications where reliability and long operational life are essential.
| Current | 500 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC500F33 |
| Manufacturer Part Number | 1SCA158288R1001 |
| Product type | DC switch disconnector |
| Rated operational current (Ie) | 500 A |
| Rated operational voltage | 1000 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Number of poles | 6 |
| Circuit configuration | Triple circuit |
| Mounting type | Base mounting |
| Operation | Front operated |
| Terminal type | Lug terminals |
| Protection rating | IP20 (front) |
| Standards | IEC 60947-1, IEC 60947-3 |
| Application | DC-21B |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC500F33 is used to safely isolate high-current DC circuits in photovoltaic systems, battery storage installations and industrial DC applications.
The switch has a 500 A rated operational current.
This model is designed for applications operating at up to 1000 V DC.
The OTDC500F33 features a 6-pole triple-circuit configuration.
It is commonly installed in photovoltaic systems, battery storage equipment, combiner boxes and industrial DC switchboards.
ABB OTDC switch disconnectors are widely specified by renewable energy installers, panel builders and industrial engineers for dependable DC isolation, long service life and reliable operation.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...