Test Setup............................................................................................................................................ 7-1

Hardware Functional Testing

Phase Current Accuracy Test ............................................................................................................. 7-3

Voltage Input Accuracy Test .............................................................................................................. 7-3

Ground and Differential Accuracy Test ............................................................................................. 7-3

GE Multilin 50:0.025 Ground Accuracy Test ..................................................................................... 7-4

RTD Accuracy Test.............................................................................................................................. 7-4

Digital Inputs and Trip Coil Supervision ........................................................................................... 7-6

Analog Inputs and Outputs ................................................................................................................ 7-6

Output Relays...................................................................................................................................... 7-7

Additional Functional Testing

Overload Curve Test ........................................................................................................................... 7-8

Power Measurement Test .................................................................................................................. 7-8

Unbalance Test ................................................................................................................................... 7-9

Voltage Phase Reversal Test............................................................................................................ 7-10

Short Circuit Test .............................................................................................................................. 7-10

Two-Phase CT Configuration

Description .......................................................................................................................................... 8-1

Cool Time Constants

Selection of Cool Time Constants ..................................................................................................... 8-2

Example ............................................................................................................................................... 8-3

Current Transformers

Ground Fault CTs for 50:0.025 A CT .................................................................................................. 8-4

Ground Fault CTs for 5 A Secondary CT........................................................................................... 8-5

Phase CTs ............................................................................................................................................ 8-6

EU Declaration of Conformity

Change Notes

Revision History .................................................................................................................................. 8-8

Changes to the 469 Manual ............................................................................................................... 8-8

GE Multilin Warranty

Warranty Statement ........................................................................................................................... 8-8

http://www.GEindustrial.com/multilin

469

Motor Management Relay

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