... :24V dc2,torque:450N.m3,power:300W4,speed:3000rpmSpring brake,big power electromagnetic brake,The DHM3 electromagnetic power off brake is fricative brakes ... ,which are auto-matically set to work when an AC power lost occurts.They are mainly used with Y series motort ... series three-phase motors. it's widely applicable in machine tools and in machineries for metal-lurgy,construction,chemistry,food-prompt ...