SURGE ARRESTER SPECIFICATIONS SAMPLE 72.5 kV


Surge Arresters w Corona Rings
Below is a sample of a specification of Surge Arrester. Some of the basic parameter are covered. You may use it as a guide in selection and specifying Surge Arresters for your specific needs. Take note that not everything is covered on the specs. Use it only as a guide.

SURGE  ARRESTERS
                  
Brand:   Brand of Choice
Class :   Station Class
Installation:   Outdoor Type
Voltage Rating (kV rms) : 60
MCOV Rating (kV rms) : 48
Front-of-Wave Protective Level (kV crest):  175
Maximum Discharge Voltage (kV crest) : - 1.5 KA  125
Switching Surge Protective Level (kV crest)  @ 500 A :  117
Creepage Distance :  68 in.
Insulation Withstand Voltage :
    - 1.2/50 Impulse (kV Crest) 358
    - 60Hz dry 60 sec (kV rms) 200
Rated Arrester Discharge Energy   >9 kJ/KV of MCOV
Conductive Material :  Metal Oxide
Housing : Silicon Rubber/Polymer
Line Teminal Connection: NEMA Four-hole Pad
Ground Terminal Connection:  NEMA Four-hole Pad
Mounting Arrangement :  Mounting Base Located on Bottom (Standard Mounting)

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