ABB OTDC315FV33 315 A, 1500 V DC switch disconnector with 6-pole triple-circuit configuration for photovoltaic, battery energy storage and industrial DC isolation.
The ABB OTDC315FV33 (SKU 1SCA158844R1001) is a premium DC switch disconnector designed for the safe isolation of high-current direct current circuits in utility-scale photovoltaic (PV) installations, battery energy storage systems (BESS) and industrial DC applications. As part of ABB's advanced OTDC switch disconnector range, it has been specifically developed for modern 1500 V DC renewable energy systems, delivering outstanding switching performance, compact dimensions and long-term reliability.
The OTDC315FV33 features a 6-pole triple-circuit (7a / 7e) configuration, allowing three independent PV strings to be safely isolated within a single compact switch. This innovative design reduces combiner box and inverter dimensions while simplifying system layouts and improving installation efficiency. Phase barriers are supplied as standard, while operating handles and shafts are available separately.
Rated at 315 A with a 1500 V DC operating voltage, the OTDC315FV33 complies with IEC 60947-1 and IEC 60947-3, making it an ideal solution for demanding renewable energy infrastructure and industrial DC installations.
The ABB OTDC315FV33 has been specifically engineered for modern 1500 V DC photovoltaic systems where multiple PV strings require safe isolation within a compact footprint. Its six-pole, triple-circuit architecture allows engineers to simplify combiner box layouts while maintaining excellent electrical performance and dependable switching reliability.
As part of ABB's latest OTDC M-Series, the OTDC315FV33 delivers reduced switch losses, straightforward installation and outstanding operational reliability, making it an excellent choice for renewable energy developers, OEM panel builders and industrial DC system integrators.
| Current | 315 A |
|---|---|
| Voltage | 500 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Model | OTDC315FV33 |
| SKU | 1SCA158844R1001 |
| EAN | 6417019882000 |
| Product type | DC switch disconnector |
| Rated operational current (DC-21B) | 315 A |
| Rated operational current (DC-PV2) | 315 A |
| Rated operational voltage | 1500 V DC |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 6 |
| Number of circuits | 3 |
| Circuit arrangement | 7a / 7e |
| Mounting type | Base mounting |
| Operation | Front operated |
| Connection type | Bolt connection |
| Terminal type | Lug terminals (30 mm) |
| Protection rating | IP20 |
| Mechanical durability | 10,000 operating cycles |
| Dimensions (H × W × D) | 211 × 353.5 × 135 mm |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC315FV33 safely isolates three high-current DC circuits in photovoltaic power plants, battery energy storage systems and industrial DC installations.
The switch has a 315 A rated operational current for both DC-21B and DC-PV2 applications.
The switch is designed for direct current systems operating at up to 1500 V DC.
No. Phase barriers are supplied as standard, while compatible operating handles and shafts must be ordered separately.
It is widely installed in utility-scale solar farms, PV combiner boxes, battery energy storage systems and industrial DC distribution equipment.
ABB OTDC switch disconnectors are trusted worldwide by renewable energy developers, electrical engineers and panel builders for delivering safe, reliable and efficient DC isolation across demanding photovoltaic and industrial DC applications.
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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...