Board-to-Wire Power Header for Harness Assemblies
The Molex 430451002 is the 10-circuit, dual-row member of the Micro-Fit 3.0 43045 header family, designed as a board-to-wire interconnect. It carries an 8 A per-circuit current rating at a 3.00 mm pitch, with a 600 V voltage rating that gives solid creepage margin for the spacing.
The 3.00 mm pitch is the footprint anchor — it determines the board layout and the mating receptacle housing you need (the Micro-Fit 3.0 receptacle with the same pitch). The 8 A per circuit is the headline current, but the real-world limit depends on the wire gauge and ambient temperature — derate above the 105°C ceiling.