WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE
BETWEEN B & c CLASS SP




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WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE BETWEEN B & c CLASS SP..

Answer / vanraj

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

WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE BETWEEN B & c CLASS SP..

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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