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MiCOM P54x
Line Differential Protection Relays
MiCOM P54x is designed for high performance overhead line and cable applications, it interfaces readily with the longitudinal (end to end) communications channels and has optional distance backup protection.

Specification

Description Specification
Type (Model Name) P541 P542 P543 P544 P545 P546
Auxiliary Power Supply 24-32Vdc
48-110Vdc/40-100Vac
110-250Vdc/100-240Vac
CT Inputs 3 3 5 8 5 8
VT inputs 0 0 4 5 4 5
Number of Digital input (max) 8 16 16 16 32 24
Number of Digital Output (max) 7 14 14 14 32 32
Protection Elements Distance (21)*
Check synchronising (25)*
Negative sequence overcurrent (46)*
Thermal overload (49)
Earth fault (50/51N)
Phase overcurrent (50/51P)
Circuit breaker failure (50BF)
Over / under voltage (59/27)*
Residual over voltage (59N)
Wattmetric earth fault (64W)*
Earth fault directional (67N)*
Phase directional (67P)
Power swing blocking (78)
Auto-reclose (79)
Over / under frequency (81)*
Line differential (terminal) (87L)
Current transformer supervision (CTS)*
Communication Protocol IEC60870-5-103, DNP3.0, Modbus, K-bus/Courier, IEC61850

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Address

1106, Woolim Lion's Valley rd Bld, 24, 388Gil, Dunchondaero, Jungwon-Gu, Seongnam-Si, Kyeonggi-Do, Korea (13403)

Phone Number

+82 31 739 9200

Email

mhcha@nexpo.kr

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