ABB OTDC400F22 400 A, 1000 V DC switch disconnector with 4-pole double-circuit configuration for photovoltaic, battery energy storage and industrial DC isolation.
The ABB OTDC400F22 (SKU 1SCA158298R1001) is a heavy-duty DC switch disconnector designed for the safe isolation of high-current direct current circuits in utility-scale photovoltaic (PV) installations, battery energy storage systems and industrial DC applications. As part of the advanced ABB OTDC switch disconnector range, it delivers exceptional switching performance, compact dimensions and outstanding long-term reliability.
Designed specifically for 1000 V DC utility-scale solar applications, the OTDC400F22 features a 4-pole double-circuit (4a / 4c) configuration that enables safe isolation of dual PV strings while helping reduce the overall size of combiner boxes and inverter assemblies. Phase barriers are supplied as standard, while operating handles and shafts are available separately to provide installation flexibility.
With a 400 A rated operational current, 1500 V insulation voltage and ABB's optimised contact technology, the OTDC400F22 provides dependable DC isolation with low switching losses, making it ideal for demanding renewable energy and industrial power systems.
The ABB OTDC400F22 has been engineered to safely isolate high-current DC circuits while maintaining outstanding switching performance and long mechanical endurance. Its compact four-pole design enables manufacturers to build smaller combiner boxes and inverter systems while maintaining the highest levels of operational safety.
As part of ABB's globally recognised OTDC product family, the OTDC400F22 offers dependable switching, straightforward installation and low maintenance, making it an excellent solution for photovoltaic, battery energy storage and industrial DC applications.
| Current | 400 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Model | OTDC400F22 |
| SKU | 1SCA158298R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 400 A |
| Rated operational voltage | 1000 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 |
| Connection type | Bolt connection |
| Protection rating | IP20 |
| Mechanical durability | 10,000 operating cycles |
| Dimensions (H × W × D) | 211 × 255.5 × 135 mm |
| Weight | 5.94 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OTDC400F22 safely isolates high-current DC circuits in photovoltaic power plants, battery energy storage systems and industrial DC installations.
The switch has a 400 A rated operational current.
The switch is designed for direct current systems operating up to 1000 V DC.
No. Phase barriers are included, while the operating handle and shaft are supplied separately.
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 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...