Innovative Self Power Protection Relay for RMUs drawout : CSDPR-V2-400

Name: Herald Corporation
Address: 1, Chandni Chawk Street, Kolkata, 700072, IN
Telephone: 9830059416
Price range: RS

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 FJF, individually selected for phase and earth fault
Unbalance / Asymmetric protection
Potential pulse output for direct triggering the circuit breaker coil. Potential free alarm contacts also available

Presentation

In the family of protection relay, CSDPR-V2-400 is numeric multi-powered Over-current relay specially designed for ring main units & feeder protection. It combines the following functions in one unit:

Relay get energize either from Current, Aux. voltage, front USB or the 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 FJF, individually selected for phase and earth fault
Unbalance / Asymmetric protection
Potential pulse output for direct triggering the circuit breaker coil. Potential free alarm contacts also available
Remote trip & Remote protection block input DI
RS485 Modbus
USB port for PC/ Laptop interface.

DESIGN :

supply
CT current
Internal battery
USB port

Benefits

Remote trip & Remote protection block input DI
RS485 Modbus/IEC 103
USB port for PC/ Laptop interface.
Circuit breaker failure protection (50BF)
Wide operating ranges ofthe auxiliary supply voltage (AC/DC)
Last 5 Fault and 10 Event record with Time stamp
Two set of setting group
Cold load pickup protection