Can an LRD overload relay be used on a DC system ?
Issue:
DC Motor overload protection
Product Line:
Tesys D contactors
Environment:
Products sold and used in the United States
Cause:
LRD overload relay used in a DC power circuit
Resolution:
Yes, this is fine below 300vdc, simply series connect the poles or use an LR3D overload relay without single phase sensitivity.
Please note while the Tesys D contactors are suitable, they are not UL listed for DC power circuits.
DC Motor overload protection
Product Line:
Tesys D contactors
Environment:
Products sold and used in the United States
Cause:
LRD overload relay used in a DC power circuit
Resolution:
Yes, this is fine below 300vdc, simply series connect the poles or use an LR3D overload relay without single phase sensitivity.
Please note while the Tesys D contactors are suitable, they are not UL listed for DC power circuits.
Released for: Schneider Electric USA
