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슈나이더 일렉트릭 코리아 웹사이트에 방문해 주셔서 감사합니다.

슈나이더 일렉트릭 코리아 웹사이트 방문자 분들 모두 환영합니다.
FAQ 검색
Will the ATS48 trip on OHF, if the temperature is too cold below the Softstarter's environmental specs ?
Issue:
The ATS48 trips on OHF, if the temperature is too cold?

Product Line:
ATS48

Environment:
All

Cause:
Failure analysis

Resolution:
If the temperature is too cold below the Softstarter's environmental specifications, it will trip on OHF.
For open type ATS48 the temperature ranges are:
For Operation:
14 to +104*F (-10*C to +40*C) without derating
Up to +140 *F (+60 *C), derate the current by 2% for each *C above 40 *C
14 to 122 *F (-10*C to +50 *C) with user provided shorting/bypass contactor.
For Storage:  -13 to +158 *F (-25 to +70 *C)

For the enclosed units the temperature ranges are:
For Operation:
Ambient conditions in installed area from 0 to 40 *C, 32 to 104 *F (Type 1 and 12); 0 to 50 *C, 32 to 122 *F (Type 3R)
For Storage: -25 to +70 *C, -13 to 158 *F.

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