Boston Fincor 105845301-H Personality Board PB1

Boston Fincor 105845301-H Personality Board PB1 Rev H is a replacement PC board in the Fincor DC motor control family, identified by part number 105845301-H and marketed as the PB1 personality board within Boston Fincor drive assemblies. The PB1 designation is documented with Rev. H (IL 105845301H) across multiple records, signaling its revision level and model identity. Hardware listings describe the unit as featuring an 18-pin male connector and 42 terminal connections, indicating its role as an interface/expansion module in legacy DC motor control configurations. Availability history notes that the part has been discontinued by the manufacturer, which can affect sourcing for older equipment, and several retailers catalog it under the 'personalities/PC board' category; origin is listed as the United States. Cross-reference with multiple listings corroborates the 105845301-H PB1 Rev H designation and its classification as a DC motor controls board.