SR489-P5-LO-A20-E GE
Product Description
The 489-P5-LO-A20-E is a GE Multilin Relay from GE’s SR family of relays (in the same family as the GE Multilin 469 Motor Protection Relay and the GE Multilin 735 Feeder Protection Relay.) The 489-P5-LO-A20-E is designed for Generator Protection and can be used for induction or synchronous generators. The unit can be operated at 25, 50 or 60 Hz.
The back panel includes twelve RTD inputs, six output relays, two RS485 communications ports, and four VT inputs. The RTDs are field programmable. Communication ports can use ModbusRTU or DNP 3.0 protocol (or both) up to 19200 bps.
The back panel of the 489-P5-LO-A20-E also includes four isolated 4-20 mA analog inputs and outputs along with seven assignable digital inputs. There are seven CT inputs for three-phase output/three-phase neutral and ground current sensing as well as a separate safety and filter ground. All inputs on the 489-P5-LO-A20-E meet SWC, C37.990 EMI, RFI interference immunity.
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