Innovative Self Power Protection Relay for RMUs : CSDPR-V2-200

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-V2~2O0 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 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
• 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