Paralleling protection relay MainsPro

MainsPro is an easy-to-install mains protection relay for parallel-to-mains applications. It reliably monitors voltage, frequency and loss of mains protections to safeguard both the distribution network and the generators. This protection relay is designed for installations with renewable energy sources such as photovoltaic plants, gen-sets, cogeneration units, and microturbines. Reliable measurements evaluation Three-phase generator voltage measurement Generator and engine protection Overview Easy to use and set-up, the MainsPro offers: Advanced frequency, voltage and loss of mains protections (ROCOF, vector shift) Wide power supply and measurement range Easy set-up via a user-friendly interface Simple wiring with detachable connectors Suitable for standard DIN rail installation Event-based history for troubleshooting and incident management Integrated mechanical lock for securing the defined settings Breaker failure protection and watchdog feature Resistance to frequency jumps