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What is the response time of the shunt trip and shunt close for the Masterpact NW?

Issue:
Response time of the shunt trip and shunt close for the Masterpact NW and NT

Product Line:
Masterpact NT and NW

Resolution:
OPEN:
Circuit Breaker OPEN time at nominal voltage is: 50 ms ±10 ms (40ms to 60 ms).
Shunt trip (MX) and shunt close (XF) circuits must be energized for minimum of 200 ms.

CLOSE:
Circuit breaker CLOSE time:at nominal voltage is:
NW 4000 A and smaller: 70 ms ±10
NW > 4000 A: 80 ms ±10
55 ms for the Masterpact NT


CTA-ID : 6246
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