GE SR489-CASE SR489-P1-HI-A20-E Generator Management Relay

FAQ

Q1: What is the GE SR489-P1-HI-A20-E?
A: It is a GE Multilin SR489 Generator Management Relay designed for generator protection, monitoring, and control.

Q2: What does P1 mean in the model number?
A: P1 indicates 1 A phase CT secondary inputs.

Q3: What is the control power supply?
A: The HI configuration supports 90–300 V DC or 70–265 V AC at 48–62 Hz.

Q4: What type of analog outputs does the A20 version provide?
A: The A20 configuration provides four 4–20 mA analog outputs.

Q5: What display does the E version have?
A: The E configuration provides an enhanced display with a larger LCD and improved keypad.

Q6: What communication interfaces are available?
A: The SR489 provides one RS232 port and two RS485 ports. The 10Base-T Ethernet interface is associated with the T enhancement rather than the E configuration.

Q7: Is the SR489 still manufactured?
A: No. GE Vernova identifies the Multilin 489/SR489 as a legacy product and states that manufacturing has been discontinued.

Q8: What are the dimensions and weight?
A: The specified dimensions are 252 × 216 × 224 mm, and the specified weight is 7.7 kg.

GE SR489-CASE SR489-P1-HI-A20-E

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