ABB EF45-30 Electronic Overload Relay 1N/O & 1N/C 9-30A

The ABB EF45-30 Electronic Overload Relay is intended for the protection of electric motors against overload states and will provide dependable service in HVAC systems. The current range is 9-30A and the voltage range is 600 VAC/DC, and it has 1 NO and 1 NC auxiliary contact. This relay constantly checks the motor current for overload protection and offers other options such as phase loss. The electronic design reduces noise tripping and is easy to install and is suitable for use in industrial and commercial applications.