SPCJ4D34-AA motor protection relay

SPCJ4D34-AA motor protection relay  

Product Details Introduction

SPCJ4D34-AA is a digital motor protection relay module of ABB SPAM 100 series, providing comprehensive and accurate protection and monitoring for medium and low voltage motors, mainly used in industrial scenarios such as power plants, factories, and mines.

1、 Core parameters

Model: SPCJ4D34-AA

Series: ABB SPAM 100 Motor Protection Series

Power supply: 24 VDC or 85~264 VAC wide voltage input

Working temperature: -20 ° C to+55 ° C

Protection: IP20, rail/panel installation

Size: Approximately 110 × 60 × 55 mm

Weight: Approximately 0.5 kg

2、 Main protection functions

Thermal overload protection: Simulate motor thermal model to prevent overheating and burnout

Short circuit/overcurrent protection: quickly cut off severe overcurrent faults

Grounding/leakage fault protection: detecting abnormal current to ground

Blocked rotor protection: tripping when the motor starts or runs stuck

Underload/no-load protection: monitoring abnormal load reduction

Phase failure/phase sequence protection: phase loss, reverse phase, three-phase imbalance protection

Startup monitoring: limit startup time and repeat startup times

3、 Measurement and Monitoring

Real time measurement of three-phase current, voltage, power, and power factor

Statistics of running time and startup times

Fault records and event logs

Motor temperature monitoring (supports PT100/PT1000 input)

4、 Communication and Interface

Modbus TCP/IP communication interface

Supports IEC 61850 protocol (partial versions)

Multi channel digital input/output (DI/DO)

Analog input (AI): current, voltage, temperature

Relay output: fault, alarm, trip

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