Issue:
Identify the meaning of form F on the XALK178FH7 part number

Product Line:
Push Buttons and Operator Interface

Environment:
XALK / XALD / XB5 / ZB5 Control Stations and Push Buttons​​​​​​​

Resolution:
F is for 2 Normally Closed Contact Blocks
E is for 1 Normally Open + 1 Normally Closed
G is for 2 Normally Closed + 1Normally Open

Contact block part numbers:
ZENL1111 for NO
ZENL1121 for NC

Released for:Schneider Electric Canada