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What is part number 45XB377-1?

The labeled number does not come up as a Schneider part number

Product Line:
NEMA Contactors and Starters

Panelboard Lighting Contactors

This is the manufactures part number on the bridge rectifier in Class 8903 Type PB (panelboard) lighting contactors.  We sell this under the Schneider part number 31155-025-01.  It is 1.25" square with 1/4" spade type slip-on terminals and a .20" mounting hole in the middle.  It is rated 2KV (max peak reverse voltage),
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