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ABB OTDC1000U22

ABB OTDC1000U22 is a high-current DC switch-disconnector designed mainly for photovoltaic (PV) systems and DC power applications. It belongs to ABB’s OTDC series of UL98B and IEC-compliant DC disconnect switches, providing safe isolation and switching of high-voltage DC circuits.

Product Description

• Manufacturer: ABB
• Product Series: OTDC
• Model: OTDC1000U22
• Device Type: DC Switch-Disconnector
• Application: Solar PV systems, DC distribution systems, inverter isolation, energy storage systems

Technical Specifications

Key Features

• High DC switching capability: Designed for demanding 1000 VDC photovoltaic applications.
• Four-pole configuration: Suitable for disconnecting multiple DC circuits or high-power PV arrays.
• Reliable isolation: Provides safe maintenance isolation for DC systems.
• Compact modular design: Optimized for installation in solar combiner boxes and inverter systems.
• High efficiency design: ABB OTDC switches are engineered to reduce power losses and improve thermal performance.

Typical Applications

• Utility-scale solar photovoltaic plants
• PV inverter DC input isolation
• Battery energy storage systems (BESS)
• DC charging infrastructure
• Industrial DC power distribution
• Renewable energy electrical panels

Product Advantages

ABB OTDC1000U22 offers a robust solution for high-power DC circuit isolation, combining high voltage capability, high current capacity, and compliance with international safety standards. It is widely used where reliable DC switching and maintenance safety are required in renewable energy and industrial power systems.

Conclusion:
The ABB OTDC1000U22 is a heavy-duty 1000VDC / 1000A four-pole DC disconnect switch designed for large-scale PV and industrial DC applications, providing safe, efficient, and reliable isolation for high-power electrical systems.