ABB OTDC315FV22 315 A, 1500 V DC switch disconnector with 4-pole double-circuit configuration for photovoltaic, battery energy storage and industrial DC isolation.
The ABB OTDC315FV22 (SKU 1SCA158295R1001) is a high-performance DC switch disconnector designed for the safe isolation of direct current circuits in utility-scale photovoltaic (PV) systems, battery energy storage systems (BESS) and industrial DC installations. Part of the advanced ABB OTDC switch disconnector range, it combines compact dimensions with outstanding switching performance for demanding renewable energy applications.
Designed for high-voltage DC systems operating at up to 1500 V DC, the OTDC315FV22 features a 4-pole, double-circuit configuration (4a / 4c), making it ideal for modern PV combiner boxes and battery storage systems. Its compact footprint helps reduce enclosure size while maintaining safe and reliable isolation performance. Phase barriers are supplied as standard, while operating handles and shafts are ordered separately for maximum installation flexibility.
With a 315 A rated operational current, 1500 V DC operating voltage and ABB's proven high-performance contact technology, the OTDC315FV22 provides dependable DC isolation, low power losses and long mechanical service life for renewable energy and industrial power systems.
The ABB OTDC315FV22 has been engineered for modern renewable energy installations where higher DC voltages improve system efficiency and reduce cable losses. Its compact double-circuit design enables more efficient panel layouts while delivering safe isolation during maintenance and emergency shutdown procedures.
As part of ABB's globally recognised OTDC product family, the OTDC315FV22 offers exceptional electrical endurance, dependable switching performance and straightforward installation for photovoltaic, battery storage and industrial DC applications.
| Current | 315 A |
|---|---|
| Voltage | 500 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Model | OTDC315FV22 |
| SKU | 1SCA158295R1001 |
| 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 | 4 |
| Number of circuits | 2 |
| Circuit arrangement | 4a / 4c |
| Mounting type | Base mounting |
| Operation | Front operated |
| Protection rating | IP20 |
| Frame size | M |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC315FV22 safely isolates 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 up to 1500 V DC.
No. Phase barriers are included, but the operating handle and shaft are supplied separately to allow flexible installation.
It is commonly installed in photovoltaic combiner boxes, utility-scale solar farms, 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 in high-voltage photovoltaic and energy storage 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...