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ABB SPAU121C-AA, Overvoltage and Undervoltage Relay, Electrical Protection, Control Systems

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The ABB SPAU121C-AA is an advanced overvoltage and undervoltage relay designed to safeguard critical industrial systems, ensuring uninterrupted operation and enhanced efficiency through precise voltage monitoring and control.

Voltage Range:100V to 600V

Response Time:Less than 5ms

Operating Temperature:-25°C to +70°C

Relay Contacts Rating:10A at 250V AC

Protection Levels:Overvoltage, Undervoltage, Power Fail

Operating Modes:Single Phase, Three Phase

Communication Interface:Modbus RTU

Dimensions:146mm x 100mm x 100mm

    The ABB SPAU121C-AA relay stands out with its advanced solid state technology, offering unparalleled precision in detecting overvoltage and undervoltage conditions.

    This compact yet robust device ensures immediate response, crucial for maintaining system stability under fluctuating electrical conditions.

    Engineered with an extensive operating temperature range, it withstands diverse environmental challenges, making it suitable for various industrial applications.

    Its high humidity tolerance guarantees reliable performance even in humid environments, ensuring consistent protection without failure.

    Certified by leading safety standards, the ABB SPAU121C-AA is a trusted solution for enhancing electrical system reliability, safeguarding investments, and promoting operational efficiency.

ABB SPAU121C-AA Overvoltage and undervoltage relay




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