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:
Insulated Case Circuit Breakers
Environment:
Masterpact NT and NW
Resolution:
OPEN:
CLOSE:
Response time of the shunt trip and shunt close for the Masterpact NW and NT
Product Line:
Insulated Case Circuit Breakers
Environment:
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
Released for: Schneider Electric Canada
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