ABB OTDC400UF11-ESS two-pole PV disconnect switch rated at 400 A and 1000 V DC for battery energy storage systems, DC combiners and power conversion equipment.
The ABB OTDC400UF11-ESS (Product ID 1SCA158210R1001) is a robust DC switch disconnector specifically designed for reliable switching and isolation in energy storage systems (ESS). As part of the advanced ABB OTDC series, it provides dependable battery circuit protection for installations where enhanced electrical performance, durability and operational safety are required.
The OTDC400UF11-ESS is engineered for virtually maintenance-free operation and straightforward integration into modern battery storage equipment. Depending on the system layout, it can be installed within battery racks, DC combiners or power conversion systems to provide safe manual isolation during servicing, maintenance and emergency procedures.
With a rated operational current of 400 A, a 1000 V DC operating voltage and a two-pole configuration, this PV disconnect switch is suitable for demanding industrial energy storage applications. It is approved according to UL98B, IEC 60947-1 and IEC 60947-3 and offers a conditional short-circuit current rating of 30 kA when used with suitable fuses.
Battery energy storage systems require dependable switching devices capable of isolating high-voltage DC circuits safely. The ABB OTDC400UF11-ESS provides a clear disconnection point that helps protect personnel and electrical equipment during maintenance, commissioning and emergency shutdown procedures.
Its robust construction, high short-circuit performance and flexible installation options make it suitable for system integrators, battery manufacturers and panel builders developing commercial, industrial and utility-scale energy storage solutions.
| Current | 500 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC ESS DC Switch Disconnectors |
| Model | OTDC400UF11-ESS |
| Product ID | 1SCA158210R1001 |
| EAN | 6417019873152 |
| Product type | PV disconnect switch / 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 |
| Rated short-time withstand current (Icw) | 10 kA at 1000 V DC |
| Conditional short-circuit current | 30 kA with suitable fuses |
| Number of poles | 2 |
| Standards | UL98B, IEC 60947-1 and IEC 60947-3 |
| Mounting type | Base mounting |
| Country of origin | Finland |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is used to safely switch and isolate high-voltage DC circuits in battery energy storage systems, including battery racks, DC combiners and power conversion equipment.
The switch disconnector has a rated operational current of 400 A.
The ABB OTDC400UF11-ESS is designed for applications operating at up to 1000 V DC.
The switch offers a conditional short-circuit current rating of 30 kA when installed with suitable fuses.
It is approved according to UL98B, IEC 60947-1 and IEC 60947-3.
ABB OTDC switch disconnectors are trusted by battery manufacturers, system integrators and electrical engineers for delivering robust DC isolation, dependable short-circuit performance and reliable operation in modern energy storage systems.
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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...