ABB OS400J03


The ABB OS400J03 is a reliable fused disconnect switch rated for 400 amps, designed for both base and DIN rail mounting. This 3-pole switch supports Class J UL fuses and operates up to 600V AC, making it a solid choice for a variety of industrial applications. It accommodates wire sizes ranging from 2 to 600 MCM and fits 12 mm shafts and handles—just a heads-up, the lug kit isn’t included. Distributed by BSP Automation, this switch, also known by catalog number 417019246112, is a real workhorse when you need a sturdy and straightforward disconnect solution.
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