{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.
How can we help you today?
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.

Schneider Electric UK

Explore more
Range:
Articles that might be helpful Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range: