ABB SPAU121C-AA: Advanced Overvoltage & Undervoltage Relay for Industrial Control Systems

Operating Voltage Range:100V to 500V AC

Relay Type:Solid State

Protection Modes:[“Overvoltage”,”Undervoltage”]

Response Time:≤ 5ms

Operating Ambient Temperature:-20°C to +60°C

Relative Humidity:Up to 95% non-condensing

Certifications:[“CE”,”UL”]

    The ABB SPAU121C-AA relay is engineered to safeguard electrical systems against harmful overvoltage and undervoltage events, ensuring continuous operation and system integrity. This high-performance relay offers precise monitoring and control capabilities, making it an indispensable component in various industrial applications.

    With a broad operating voltage range of 100V to 480V, the SPAU121C-AA is versatile enough to fit a wide array of industrial settings. Its current rating of up to 5A allows for effective management of electrical loads, enhancing overall system efficiency.

    Featuring protection against transient overvoltages and undervoltages, this relay ensures the safety and longevity of connected equipment. Its manual and automatic operating modes provide flexibility, enabling users to adapt to changing operational demands.

    Designed with a single-pole configuration, the SPAU121C-AA offers three normally open (NO) and three normally closed (NC) contacts, facilitating seamless integration into existing systems. The relay’s contact ratings ensure reliable switching under various conditions, supporting diverse applications.

    Operable within a temperature range from -25°C to +70°C, the SPAU121C-AA is suitable for use in a variety of environments, including harsh industrial settings. Its IP20 enclosure type provides basic dust protection, safeguarding the relay from external contaminants.