Square D Cat No HQO 306 I Line Adaptor to QO Circuit Breakers 13422

  For sale is a Square D Catalog No.HQO-306 Adapter for use with Square
  D I-Line Panels.  240VAC, 1 or 3-Phase rating.  Compatible with Square
  D Type "QO" 15 - 30 amp circuit breakers.  Several available.  These
  units were removed from a really nice I-Line panel, and are in
  excellent condition; ready for re-installation.

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