THE Sprecher + Schuh CEF1 motor protection relay from NHP uses advanced solid-state technology to provide accurate thermal overload protection up to 630 amps.
Adjustable via DIP switches, CEF1 offers a wide range of trip classes from 2 to 30 to cater for a variety of applications.
Additionally, CEF1 ensures precise thermal overload protection, single phasing and current asymmetry protection, thermistor protection and over-current indication.
CEF1 motor protection relays are supplied as a manual reset however can be simply modified for automatic reset on request or on-site. The availability of optional modules provides the facility for remote reset and fault status indication.
CEF1 can be fitted directly to the Sprecher + Schuh CA6 contactor range from 85 to 420 amps to allow seamless motor starter systems.