WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE
BETWEEN B & c CLASS SP
Answers were Sorted based on User's Feedback
For surge arrester (lighting arrester) class defines the
capacity of energy can dissipate by SA.
Class in generally not defined by B & C but it defined a
class 2 , Class 3 , Class 4 & class 5 for sub stations.
For 145 kv (110,132 kv ) class 2
For 400 kv ( 400 kv) class 3
For 540 kv (generally not use in india) class 4
For 765 kv Class 5
|Is This Answer Correct ?||6 Yes||3 No|
Answer / dhiraj banka
Class b SPD is for lightning surges & class c SPD is for switching surges.Class B+C protects both from lightning & switching surges.
|Is This Answer Correct ?||5 Yes||2 No|
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