Surface mount detector base with dual diodes - Polar whiteCompatible with Z630-3P, Z620-582-3P, Z620-581-3P and Z620-771-3PThese bases are to be used when detector head removal continuity is required.This base is surface mount or alternatively can be mounted on a conduit box Z-AUXD-2P.Dimensions: 108mm Dia x 18mm deep
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