mp08The MP08-40X is a 4-way, manual, 2-position, pull to shift, spring return, directional hydraulic cartridge valve with locking feature. Operation. In its neutral position the valve directs flow fromView and Download Merlin Gerin Masterpact MP manual on. Masterpact MP circuit breakers pdf manual download. Also for: Masterpact mp 08h1, Masterpact mp 12h1, Masterpact mp