Overload Protector for Press Overload Protector is installed on the press machine in order to check the pressure of hydraulic cylinder inside slider. If the load exceeds the limit of press machine itself as machine stamping, Overload Protector will activate immediately, making the hydraulic pressure inside slider release in a short time. 1. Upto 200 Ton - Model - VS08 2. Upto 600 Ton - Model - VS10 3. Upto 1200 Ton - Model - VS12 .