Schneider Electric Motor Protection Relay P3M32 Model REL52121
The PowerLogic P3M32 motor protection relay is perfectly suited for buildings, industry, utilities, and large industrial processes. It provides protection against overcurrent, overload, broken conductor, earth fault, and breaker failure. Features include an automatic recloser, switch‑ON to fault, inrush protection, and lockout. User interface is simple, reliable, and safe. Powered by 48–230 V AC/DC, the relay includes 12 digital inputs, 14 digital outputs, 1 front USB port, 1 rear RJ45, and 1 rear RS485
Technical Specifications
Product Type: Motor Protection Relay
Relay Application: Motor
Model / Reference: REL52121
Mounting Size: 30TE, flush mounting
Power Supply: 48–230 V AC/DC
Measuring Inputs: 6 CT phase current, 3 CT residual current, 4 VT 100/110 V
Digital Inputs (DI): 12
Digital Outputs (DO): 14
Communication Ports: 1 front USB, 1 rear RJ45, 1 rear RS485
Communication Protocols: IEC 61850 ed.1 & 2, IEC 60870‑5-101 & 103, DNP3 TCP & RTU, Modbus TCP & RTU, EtherNet/IP, DeviceNet, SPAbus
Protection Functions: Phase overcurrent, thermal overload, earth fault, breaker failure, broken conductor detection, automatic recloser, switch‑ON to fault, inrush protection, capacitor bank unbalance, overvoltage, undervoltage, synchro‑check, underfrequency, rate of change of frequency, lockout, and more
Dimensions: Height 176 mm, Width 270 mm, Depth 230 mm
Net Weight: 4.2 kg
Front Protection Degree: IP54
Relay Application: Motor
Model / Reference: REL52121
Mounting Size: 30TE, flush mounting
Power Supply: 48–230 V AC/DC
Measuring Inputs: 6 CT phase current, 3 CT residual current, 4 VT 100/110 V
Digital Inputs (DI): 12
Digital Outputs (DO): 14
Communication Ports: 1 front USB, 1 rear RJ45, 1 rear RS485
Communication Protocols: IEC 61850 ed.1 & 2, IEC 60870‑5-101 & 103, DNP3 TCP & RTU, Modbus TCP & RTU, EtherNet/IP, DeviceNet, SPAbus
Protection Functions: Phase overcurrent, thermal overload, earth fault, breaker failure, broken conductor detection, automatic recloser, switch‑ON to fault, inrush protection, capacitor bank unbalance, overvoltage, undervoltage, synchro‑check, underfrequency, rate of change of frequency, lockout, and more
Dimensions: Height 176 mm, Width 270 mm, Depth 230 mm
Net Weight: 4.2 kg
Front Protection Degree: IP54
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