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What is the part number for the field installed mechanical interlock for two 8502 Type SGO size 5 contactors?

Issue:
What is the number for the field installed mechanical interlock for two 8502 Type SGO size 5 contactors?

Product Line:
NEMA size 5 Class 8502 or Class 8536 Type SG contactors or starters

Environment:
Products sold and used in the United States

Resolution:
Sizes 5 & 6 mechanical interlocks are available for replacement purposes only for a mechanically interlocked set of contactors/starters previously supplied by Square D. They are not for use in converting a non-reversing contactor or starter to a reversing pair. Following are the available mechanical interlocks for sizes 5 & 6:
Size 5 to Size 5 interlock - 31099-002-50
Size 5 to Size 6 interlock - 31099-002-51
Size 6 to Size 6 interlock - 31099-002-52
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