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S7120-7K SMI Control Module

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SKU: S7120-7K

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Available: 17


SMI control module for 7-Series stop & cross arms.
  • Also available as retrofit version for 6-Series
    p/n S7129
  • Can be used in 6-Series units but connectors have to be cut off & wires spliced. See larger photos for wiring info.

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