Slim Innovative Self Power Protection Relay for RMUs with Horizontal & Vertical Mounting Options : CSPR-V5 (H&V)

Range

Rated auxiliary voltage UH (Universal):L: (18V — 60V DC),H: (85V – 260V AC / 110V to 300V DC)
Rated supply for digital input(Normal voltage): UN L: (18V – 60V DC) H: (85V — 260V AC / 110V to 300V DC)
Dropout pickup ratio :> 95 %

Features

Relay get energize either from Current, Aux. voltage, front USB or internal battery (whichever is available)
O/C, S/C, E/F and E/F High set protection
DEFT and Inverse characteristics for O/C and E/F individually selected for phase and earth fault
Unbalance / Asymmetric protection
Potential pulse output for direct triggering the circuit breaker coil.
Remote Trip DI
2 Potential Relay Output contact
USB port for PC / Laptop interface
Circuit breakerfailure protection (50BF)
Cold load pickup protection
Wide operating ranges of the auxiliary supply voltage (AC/DC)
Last 5 Fault & 1 O Event records with Time stamp
Two set of setting group

Presentation

In the family of protection relay, CSPR is numeric multi powered Over—current relay specially designed for ring main units & feeder protection. It combines the tollowingfunctions in one unit:
CSPR is a high tech and cost optimized protection relay for MV switchboards. Specifically in compact switchboards, the CSPR can replace the combination of load break switch.

Design :

Relay will get energized from any ofthe following available sources

Supply
CT Current
internal Battery
USB Port