PMC-550J Low-voltage Motor Protection and Control Device
PMC-550J is CET’s latest offer to integrate motor Protection, Control and Monitoring solution in one metal box. It is an ideal choice for intelligent MCC (Motor Control Centre) and is widely used in manufacturing industries such as Petrochemical, Coal, Paper, Steel and Metallurgy industry.

A Total Solution for LV Motors
Feature Highlights
Advanced motor control and protection schemes
Dot-Matrix LCD display
Enhanced power supply with 30s Ride-Through Capability for Voltage Dips
High Accuracy Power/Energy measurements
64 events time-stamped to 1ms resolution
8xDI, 5xDO and optional AO (4-20mA) for monitoring and control
RS-485 Port, Modbus-RTU Protocol
Metal housing for improved heat dissipation and EMC performance


Enhanced power supply
PMC-550J offers an enhanced power supply option to maintain normal operation under power interruption for 30 seconds.
Key attributes
Basic Measurements
ULL and Current per Phase;
Total kW, kvar;
kWh, kvarh Import/Export;
Frequency;
Optional Neutral (IN) & Residual Current (IR);
PQ and Harmonic Monitoring
Current Unbalance and Phase Angle;
Displacement PF;
U and I THD, TOHD, TEHD and Individual Harmonics up to 31st
Input & Output Channels
8xDigital Inputs;
5xDigital Outputs,Contact Rating:
DO1 - 250V AC/30V DC, 8A;
DO2 to DO5 - 250V AC/30V DC, 5A;
1xAnalogue Output (Optional);
Output range: (4-20)mA;
SOE Log
64 events time-stamped to 1ms;
DI status changes, DO operations;
Control events & action times;
Communication
1xRS-485, Modbus Protocol;
1xType-C USB Port, Modbus Protocol;
Optional 1xPROFIBUS-DP Port;
Dimensions

