ABB 3HAC 4158-1 04 DSQC 504 Circuit Board Module

ABB 3HAC 4158-1/04 DSQC 504 Base Connection Unit is a circuit-board module designed for ABB robotics, serving as the DSQC 504 base connection in the system. This board-only unit is part of the DSQC 504 family and is typically referenced as a base-connection or connection board for DSQC 504 installations, with the 3HAC 4158-1/04 designation indicating the "04" revision of the module. Market listings identify it as DSQC 504 Base Connection Unit 3HAC 4158-1/04 or as a DSQC 504 connection board, underscoring its role as the interconnect platform within ABB robot hardware. ABB's aftersales literature catalogs DSQC 504 specifically as a base connection unit, and related exchange parts such as 3HAC 5689-1 are shown within the DSQC 504 family. The unit is sold by retailers as a board-only component compatible with DSQC 504 configurations, making it the appropriate choice when replacing the DSQC 504 base interface in compatible ABB robot systems.