ABB 3HAC8253-1 is a three-phase main disconnect switch assembly rated for 40 A. This manual, three-pole device provides a primary isolation point in electrical enclosures, allowing all three phases to be opened for safe maintenance. The part is cataloged as 3HAC8253-1 and is also referenced as #330481 in ABB documentation. As a dedicated main switch, it is designed to be integrated into switchgear or control panels where a reliable, single-point disconnect is required before downstream circuits.
