ABB OTDC500FV33 six-pole 1500 V DC switch disconnector rated at 500 A for photovoltaic systems, battery energy storage and industrial DC isolation.
The ABB OTDC500FV33 (Part Number 1SCA158850R1001) is a high-performance DC switch disconnector designed for the safe isolation of high-voltage direct current systems. As part of the advanced ABB OTDC switch disconnector range, it is specifically engineered for utility-scale photovoltaic installations, battery energy storage systems and demanding industrial DC applications operating at up to 1500 V DC.
The OTDC500FV33 combines ABB's proven switching technology with a compact footprint, enabling panel builders and OEMs to reduce enclosure size while maintaining outstanding electrical performance. Its six-pole design is optimised for triple photovoltaic circuits, helping minimise switching losses while delivering safe, reliable isolation throughout the lifetime of the installation.
With a 500 A rated operational current, 1500 V DC operating voltage and a 6-pole triple-circuit configuration, this switch disconnector is ideal for solar combiner boxes, inverter isolation, battery storage systems and industrial DC distribution equipment.
The ABB OTDC500FV33 is specifically developed to provide safe isolation in high-voltage DC installations where reliability is essential. Its advanced switching mechanism is optimised for photovoltaic systems operating at 1500 V DC, making it an excellent choice for utility-scale solar farms and battery energy storage installations.
By combining high current capacity with a compact footprint and long mechanical endurance, the OTDC500FV33 helps improve installation efficiency while supporting safe maintenance procedures throughout the system lifecycle.
| Current | 500 A |
|---|---|
| Voltage | 500 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC500FV33 |
| Manufacturer Part Number | 1SCA158850R1001 |
| Product type | DC switch disconnector |
| Rated operational current (Ie) | 500 A (DC-21B / DC-PV1) |
| Rated operational current (DC-PV2) | 400 A |
| Rated operational voltage | 1500 V DC |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 6 |
| Circuit configuration | Triple circuit (7a, 7e) |
| Mounting type | Base mounting |
| Terminal type | Lug terminals (30 mm) |
| Protection rating | IP20 (front) |
| Mechanical durability | Approx. 10,000 operating cycles |
| Dimensions (H × W × D) | Approx. 211 × 353.5 × 135 mm |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC500FV33 is designed to safely isolate high-voltage DC circuits in photovoltaic systems, battery storage installations and industrial DC applications.
The switch has a rated operational current of 500 A for DC-21B/DC-PV1 applications and 400 A for DC-PV2 applications.
The OTDC500FV33 is designed for systems operating at up to 1500 V DC.
This model features a 6-pole triple-circuit configuration for photovoltaic applications.
It is commonly installed in utility-scale solar installations, combiner boxes, battery energy storage systems and industrial DC switchboards.
ABB OTDC switch disconnectors are trusted by panel builders, solar EPC contractors and industrial engineers for dependable high-voltage DC isolation, compact installation and long-term reliability.
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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...