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.
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.
Released for: Schneider Electric Canada
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