489-P5-LO-A20-E is an Agdor wire relay in the GE SR series of relays
(With GE Multiwire 469 motor protection relay and GE Multiwire 735 feeder protection
Relays belong to the same series). The 489-P5-LO-A20-E is designed for generator protection
Protector, can be used for induction or synchronous generators. The device can be operated at 25, 50 or 60 Hz
Fine.
The SR489-P5-LO-A20-E is a General Electric (GE) generator protection device. It is mainly used for the protection of induction or synchronous generators.
The device is designed with a 40-character display that allows users to view numeric messages, diagnostics, and setting points.
The front panel includes a numeric keypad, status indicators, numerical up and down keys, RS232 port interfaces, and control and programming keys, including reset, input, menu, menu Up, and menu Down keys. In addition, it also has control and programming functions to achieve comprehensive monitoring and protection of the generator system.
In terms of communication, the SR489-P5-LO-A20-E supports ModbusRTU or DNP 3.0 protocols up to 19,200 bps. In addition, it has four isolated 4-20 mA analog inputs and outputs and seven assignable digital inputs.
