GE SR489-RELAY 489-P1-HI-A20-E Generator Management Relay

FAQ

Q1: What is the SR489-RELAY 489-P1-HI-A20-E?
A: It is a GE Multilin SR489 generator management and protection relay.

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

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

Q4: What does A20 indicate?
A: A20 indicates four 4–20 mA analog outputs.

Q5: What does the E suffix indicate?
A: E indicates the enhanced display version with a larger LCD and improved keypad.

Q6: How many RTD inputs does the SR489 provide?
A: The relay provides 12 RTD inputs for generator stator and bearing temperature monitoring.

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

Q8: What are the dimensions and weight?
A: The supplied dimensions are 252 × 216 × 224 mm, with a weight of 7.7 kg.

GE SR489-RELAY 489-P1-HI-A20-E

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.