ABB Undervoltage Release Circuit Trip, System Pro M Compact Range

This undervoltage release circuit trip is designed for electrical protection devices, specifically for use with various circuit breakers. The ABB S2C-UA 24 AC model features a rated voltage of 24V and physically measures 74mm in length, 18mm in width, and 85mm in height. This compact design ensures seamless integration into electrical safety systems, offering vital voltage protection for critical loads.

• Protects loads during voltage drops between 70% and 35%
• Instantly trips when the supply voltage is disconnected
• Compatible with S200 and F200 series circuit breakers
• Toggle switch allows for easy manual reset
• Designed for simple integration with MCBs and RCCBs
• Lightweight at just 0.090 kg for easy installation

• Ideal for use with MCBs in automation tasks
• Suitable for electrical panels in industrial settings
• Utilised in residential and commercial electrical installations
• Works with specific RCBOs for enhanced circuit safety

The device detects significant drops in voltage, automatically tripping to prevent potential damage to connected equipment and circuits. This proactive measure protects against low-voltage conditions that could result in equipment failure.

Yes, it is designed for compatibility with multiple circuit breaker ranges, including S200 and F200 series, simplifying the upgrade or installation process into existing electrical protection setups.

Regular testing of the toggle switch and periodic inspection of connections are recommended to ensure that the undervoltage release operates correctly and maintains its protective capabilities.

ABB Accessories

These contacts can not be used with type ESB20 installation contactors, only higher types e.g. ESB24