Motor control center

Motor control center thermal image
Motor control center original image
Thermal Image Data
IR File Name C0806-16.img
Date of IR Image 8/6/2002
Time of IR Image 11:37:03 AM
Ambient Temperature 84.3°F
Hot Spot 121.8°F
Reference Spot 103.2°F
Temperature Difference 19°F
Priority Rating from table below 2
Comments
Line side middle phase termination or the contact on the contactor needs to be repaired.
Priority Rating Table
  Temperature difference (delta T) based on comparisons between similar components under similar loading Temperature difference (delta T) based on comparisons between component and ambient air temperature Recommended Action
1 2 - 5 F 2 - 18 F Possible deficiency; warrants investigation
2 7 - 27 F 20 - 36 F Indicates probable deficiency; repair as time permits
3   38 - 72 F Monitor continuously until corrective measures can be started
4 >= 29 F > 72 F Major discrepancy; repair immediately
N.E.T.A. Maintenance Testing Specifications, for electrical equipment used for priority rating table.

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