The ABB OS400J12 is a reliable fused disconnect switch designed for front operation. This 3-pole switch is rated for 400 amps and 600 volts AC, making it a solid choice for handling substantial electrical loads. It comes complete with a terminal bolt kit to simplify installation, though the handle and shaft are not included. Known in some circles as the 417019246211, this switch combines robust performance with straightforward functionality. Distributed by BSP Automation, the OS400J12 is a dependable component that fits well within various industrial setups.