UFR1001E G99/98 compliant Loss of Mains Relay
The UFR1001E system-disconnection relay monitors voltage and frequency in single or three-phase networks. • • • • • • • • • • •
Presetting per G99/98, values as per the standard pre programmed Under and overvoltage monitoring 40…520 V Under and over frequency monitoring 45…65 Hz Monitoring of Rate of Change of Frequency (ROCOF, df/dt) Monitoring the voltage quality (10 minute average value) Response time adjustable 0.05 … 130.0 s, individual setting for each limit Fail-safe, with monitoring of the connected section switch (can be switched off) 2 automatic restarts on error Supports the mains synchronisation when using generators Measurement 3 phase 3 or 4 wire systems or single phase Self-test Third Part Independently tested Compliant to G99/98 by Bureau Veritas
Tel: +44 (0) 1206 575755
Email: sales@tvri.co.uk www.tvri.co.uk TVR Instruments Limited 143 Butt Road, Colchester CO3 3DP Essex, United Kingdom