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Thermal Imaging of Electrical Distribution Boards

Below shows a thermal image recorded of an MCB distribution board during an electrical thermal imaging survey within a data centre electrical switch room.

As can be seen in the thermal image below, there is a temperature rise toward the blue/L3 supply cable termination which was due to poor electrical contact at the cable termination and within the switch assembly.

Analysis Details

Temp

Diff Amb

Sp1 - Cable Termination 73.4°C 48°C
Sp2 - Cable Reference Temp 30.2°C 5°C
Ar1 - Maximum Temp 130.1°C 105°C
Dt1 - Temp Rise (Sp1 - Sp2) 43.3°C n/a
visual image of distribution board
thermal imaging of distribution boards

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Due to the temperature recorded and the importance of the equipment, this anomaly was given a priority 1 category requiring urgent action to be carried out.

The engineering team were fully informed of the defect who immediately took action to reduce the load from the distribution board which immediately reduced the fault temperatures enabling full remedial works to be scheduled around business operations.

If this defect were left undetected there was a significant risk of fire which would have resulted in power loss to multiple server racks causing the data centre to be offline until power was restored.

The use of thermography enabled the defect to be identified in time to enable remedial works to be planned and executed before failure occurred. To find out more about the benefits of electrical thermal imaging surveys contact us today with your enquiry.

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