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Questions

  • No : 22370
  • Release Date : 2018/08/31 14:33
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Use in 40℃~60℃

Is it possible to use a circuit breaker in the ambient temperature of 40℃ or higher?       
Category : 

Answer

Operating ambient temperature is set to - 10℃ to 40℃. ( However, its average over a period of 24h does not exceed 35℃.) In the case that the ambient temperature exceed 40℃ temporarily, it is possible to use it up to 60℃ by reducing the load current. Derating factor is as follows.
*50℃: 0.9 or less *60℃: 0.7 or less
Product Name
Molded Case Circuit Breakers
Series
WS-V
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