Answer / ashish patil

Preclose means breaker in off condition it supervise the trip coil & trip ckt is healthy.
& Postclose means It supervise When breaker is ON.

Answer / k.prakashchandra

It will supervise the trip circuit before and after closing
the breaker

how to calculate bus-bar sizes? (copper bus-bars)

2 Answers  

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what is difference between Motorised MCCB & ordinary MCCB?

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0 Answers  

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2 Answers  

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1 Answers  

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what is LA CT PT panel?

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3 Answers   Voltech,

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3 Answers   MahaGenco,

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5 Answers  

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