Schneider P3 Protective Relay Model 52127
The REL52127 is a discontinued motor protection relay from the PowerLogic P3 series. To order, configure P3U30 using the Product Selector and apply its output XML. It provides comprehensive motor protection, advanced measurement functions, multiple communication protocols including IEC 61850, and robust control and monitoring capabilities
Technical Specifications
Range of Product: PowerLogic P3
Product Type: Protection relay
Application: Motor
Device Mounting: Flush
Power Supply: 24…48 V DC
Measuring Inputs:
6 × 1/5 A CT phase current
2 × 5/1 A CT residual current
1 × 1/0.2 A CT residual current
4 × 100/110 V VT voltage
Sensors: 0 temperature, 0 arc
Digital Inputs (DI): 12
Digital Outputs (DO): 14 + 1 watchdog
Analog Inputs/Outputs: 0
Communication Ports: Front USB 1, Rear RJ45 1, Rear RS485 1
Communication Protocols: IEC 61850 ed.1 & 2, IEC 60870-5-101/103, DNP3/DNP3 TCP, Modbus TCP/RTU, EtherNet/IP, DeviceNet, SPAbus
Cybersecurity: Password protection, port hardening
Protection Functions: Synchro-check, undervoltage, directional underpower, phase undercurrent, negative sequence overcurrent/overvoltage, excessive start time/locked rotor, thermal overload, earth fault overcurrent, phase overcurrent, breaker failure, SOTF, capacitor unbalance/overvoltage, overvoltage, stator earth fault, restricted earth fault, motor restart inhibition, directional phase/earth overcurrent, H2/H5 detection, underfrequency, frequency rate change, lockout relay, machine differential, programmable stages & curve, cold load pick-up
Relay Type: Differential current relay
Measurement Functions: 3-phase, zero/positive/negative sequence current & voltage, short circuit fault reactance, fault location, earth fault reactance, frequency, active/reactive/apparent power & energy, cos φ, tan φ, power factor & angle, phasor diagrams, harmonics 2nd & 15th with THD, CB wear monitoring, voltage interruption
Control Functions: Switchgear control & monitoring, programmable interlocking, local/remote control, 2 function keys, Easergy SmartApp, Web-server
Monitoring Functions: Trip circuit supervision, breaker monitoring, self-monitoring, event/disturbance recording, CT/VT supervision
Connections: Screw removable (DI/DO), ring lug fixed (CT), pin removable (VT)
Display & Keys: LCD 128x128 (SLD & ANSI), 2 customizable keys, 2 LEDs + 16 program
Product Type: Protection relay
Application: Motor
Device Mounting: Flush
Power Supply: 24…48 V DC
Measuring Inputs:
6 × 1/5 A CT phase current
2 × 5/1 A CT residual current
1 × 1/0.2 A CT residual current
4 × 100/110 V VT voltage
Sensors: 0 temperature, 0 arc
Digital Inputs (DI): 12
Digital Outputs (DO): 14 + 1 watchdog
Analog Inputs/Outputs: 0
Communication Ports: Front USB 1, Rear RJ45 1, Rear RS485 1
Communication Protocols: IEC 61850 ed.1 & 2, IEC 60870-5-101/103, DNP3/DNP3 TCP, Modbus TCP/RTU, EtherNet/IP, DeviceNet, SPAbus
Cybersecurity: Password protection, port hardening
Protection Functions: Synchro-check, undervoltage, directional underpower, phase undercurrent, negative sequence overcurrent/overvoltage, excessive start time/locked rotor, thermal overload, earth fault overcurrent, phase overcurrent, breaker failure, SOTF, capacitor unbalance/overvoltage, overvoltage, stator earth fault, restricted earth fault, motor restart inhibition, directional phase/earth overcurrent, H2/H5 detection, underfrequency, frequency rate change, lockout relay, machine differential, programmable stages & curve, cold load pick-up
Relay Type: Differential current relay
Measurement Functions: 3-phase, zero/positive/negative sequence current & voltage, short circuit fault reactance, fault location, earth fault reactance, frequency, active/reactive/apparent power & energy, cos φ, tan φ, power factor & angle, phasor diagrams, harmonics 2nd & 15th with THD, CB wear monitoring, voltage interruption
Control Functions: Switchgear control & monitoring, programmable interlocking, local/remote control, 2 function keys, Easergy SmartApp, Web-server
Monitoring Functions: Trip circuit supervision, breaker monitoring, self-monitoring, event/disturbance recording, CT/VT supervision
Connections: Screw removable (DI/DO), ring lug fixed (CT), pin removable (VT)
Display & Keys: LCD 128x128 (SLD & ANSI), 2 customizable keys, 2 LEDs + 16 program
You too can leave a comment about this product
