What phase failure relays do we install into Combination starters for Form R44?

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Issue:
Identifying the phase failure relay used to fulfill form R44 in a combination starter

Product Line:
NEMA and Definite Purpose Contactors and Starters

Environment:
NEMA combination starters

Cause:
Identifying a phase failure relay in an 8538, 8539, 8738, or 8739 starter

Resolution:
Phase loss relay being used today is the SymCom Model 201A-AU. See attached instruction sheet

NOTE: The part number that replaces it is 26004-00017, now it is also obsolete