electromagnetic brake power off is fricative brakes 1,voltage:24V dc 2,torque:450N.m 3,power:300W 4,speed:3000rpm electromagnetic brake power off is fricative brakes1,voltage: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. ...