MiCOM P143 Three-phase directional overcurrent and voltage protection device, multifunctional
Series :
MiCOM Px40
Manufacturer :
Schneider Electric
TN VED code :
8537 10 990 0
Digital inputs (max) :
3240
Relay outputs (max) :
32
CT inputs (max) :
5
VT inputs (max) :
4
Protection functions ANSI
[50/51] - Three-phase overcurrent
[50N/51N] - Overcurrent protection
for LP current
[67] - Directional MTZ
[67N] - Directional overcurrent
from ZNZ calculated by 3TT
[64N][REF] - Impedance protection
[51V] - Voltage corrected
overcurrent with time delay
[46] - MTZOP
[49RMS] - Thermal Protection
[27/59] - Under/over voltage
protection
[59N] - Overvoltage protection LP
[47] - OP voltage overvoltage
protection
[81O] - Overfrequency Protection
[81U] - Underfrequency Protection
[81R] - Rate of Change of
Frequency Protection (df/dt)
[81RF] - Rate of Change of
Frequency Protection with Frequency Control
[81RAV] - Average rate of change
of frequency control
[46BC] - Wire break protection
[50BF] - ROV
[60CTS/VTS] - Monitoring the
health of measuring circuits
[79] - AR
[25] - Synchronism Check
[32R] - Reverse power protection
[32L] - Underpower Protection
[32] - Directional power
protection
[21FL] - Fault location
[37] - Phase undercurrent
protection
[67SG] - Directional overcurrent
from EOS, measured by sensitive TTNP
[74TCS] - Trip Circuit Supervision
[81] - Frequency Protection
[86] - Learning output relays
Cold start
[52] - Control, control and
monitoring of the circuit breaker
[50HS][50/27][SOTF] - Acceleration
of protections when turned on for a short circuit
[68] - Blocking Logic
[68H2] - ОDetermination of inrush currents