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What is the format for Form X on Class 8502/8536 Type S devices?
Issue:
What does Form X** mean on Class 8502/8536 Type S Contactors and Staters?

Product Line:
NEMA Contactors and Starters

Environment:
Class 8502/8536 Type S devices

Resolution:
Auxiliary contacts are designated by form "X" followed by two digits. The first digit represents NO quantity and the second digit represents NC quantity. One NO would be X10. On devices such as reversing and two speed or other combinations of two contactor devices X Forms will consist of 4 digits, the first two for left device and the second two for right device (i.e. X1010).For the maximum number of auxiliary contacts, refer to the current 8502/8536 catalog.

This also applies to all 8536, 8538, 8539, 8606, 8630, 8640, 8702, 8736, 8738, 8739, 8810, 8903, 8940, and 8941 devices.

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