489-P5-LO-A20-T

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  • 4.50 (2)
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  • 4.50 (2)
  • Click a star to rate this product
Generator Management Relay 489-P5-LO-A20-T has an enhanced display with a 10Base-T Ethernet. The power supply of this relay is low voltage and is either 20 to 60 VDC or 20 to 48 VAC at a frequency of 48 to 62 Hz. The phase currents of this model are 5A phase CT secondaries.

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  • Part Number: 489-P5-LO-A20-T
  • SKU: GM-57517
  • Manufacturer: GE Multilin
  • Series: 489 Generator Management Relay

489-P5-LO-A20-T Technical Specifications

Energy Metering Description Continuous Total of +watthours and ±varhours
Ground Current Input CT Secondary 5 A or 50:0.025 (HGF CTs)
Neutral Voltage Input VT Ratio 1.00 to 240.00:1 in steps of 0.01
Overfrequency Required Voltage 0.50 to 0.99 × rated voltage in Phase A
Relative Humidity Cyclic Reference Standard IEC60068-2-30
Relative Humidity Cyclic Test Level 6day Variant 2
RS485 Ports 2, Isolated Together at 36 Vpk
RTD Inputs Short/Low Alarm <–50°C
Manufacturer General Electric Multilin
Part Number 489-P5-LO-A20-T
Series 489 Generator Management Relay

About the 489-P5-LO-A20-T

GE 489-P5-LO-A20-T Generator Management Relay: Key Features and Specifications

  • The 489-P5-LO-A20-T is a model within the 489 Generator Management Relay Series that features an enhanced display with a 10Base-T Ethernet connection.

Ethernet Connection & Handling

  • Special wiring specifications apply due to the Ethernet connection.
  • When removing the relay from its case, the RJ45 connector must be disconnected to prevent damage.
  • When inserting the relay back into the case, ensure the Ethernet cable has enough room to prevent it from getting caught, which could damage the cable or interfere with the terminal blocks' proper insertion.

Terminal Types and Wiring

  • The 489-P5-LO-A20-T relay has a wide variety of terminal types.
  • Examples of terminals include: G10 HGF Ground CT, D02 RTD #7 Compensation, E01 1 Trip NC, F12 IRIG-B -, and more.
  • A comprehensive list of all terminals and their descriptions can be found on page eight of chapter three in the GEH-10649N 489 Generator Instruction Manual.
  • General wiring considerations, control power specifications, and current inputs (and their uses) are also detailed in chapter three of this manual.

LED Indicators

  • The relay's faceplate features three different groups of LED indicators:
    • Status of the 489 model itself.
    • Output status.
    • Status of the connected generator.
  • A comprehensive list of all LEDs and their functions is provided in chapter four (heading 4.1.2) of the GEH-10649N 489 Generator Instruction Manual.

Reviews For 489-P5-LO-A20-T

Internal Review
(5.0)

The 489-P5-LO-A20-T relay has the ability to send actual messages regarding potential trips and alarms, these messages are extremely helpful in diagnosing the potential problem that has occurred to cause an alarm or trip. - AX Control Tech Team

Repair Services For 489-P5-LO-A20-T

Type Lead Time Price Action
Repair Service 1-2 weeks $1391

Our highly skilled technicians can repair your 489-P5-LO-A20-T. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

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