EntelliGuard TU Trip Unit Conversion and Upgrade Kits Brochure

This brochure details ABB's EntelliGuard TU Trip Unit conversion and upgrade kits for low voltage circuit breakers, which replace aging electromechanical trip devices with advanced electronic trip unit technology. The kits enable simultaneous arc flash protection and selectivity through algorithms like RELT, Zone Selective Interlocking, and Waveform Recognition, extending breaker life and improving system coordination, reliability, and safety.