Acrel AM4 for Protection Relays for Medium Voltage Application

● A complete set of protection, related to the application;
● 4 current input, 4 voltage input, 12DI, 5DO;
● Auxiliary power supply adapts with AC220V, DC220V, DC110V, AC110V;
● 1 RS485 serial communication, IEC60870-5-103 and Modbus-RTU;
● 1 RS232 for user update;
● More than 200 sequences of event records, more than 400 system logs, and more than 10 seconds of tripping context records;
● Powerful graphic programmable Logic.

Characteristic
Rich protection functions	Measurement	Control functions
Feeder protection; Transformer protection;; Voltage protection;	RMS current values; RMS voltage values; frequency; Power factor; RMS active power.	Remote control; Local control; Programmable switchgear interlocking

LCD Display

Function

Appearance

Operation Instruction

Dimension

Network Topology