Safety Brakes Safety brakes with symmetrical surfaces for installation without conditions Nominal torque 137Nm, working speed 22rpm, weight 1kg The safety brake is a safety device for rolling shutters without springs performing two functions: A bearing support for the shutter's shaft A mechanical brake blocking the fall of the shutter if a sudden acceleration occurs. Gaposa safety brakes are equipped with a patented shock-absorber system & a microswitch for disconnecting the electrical supply to the motor when the brake locks. 'P200H' version also available: H versions featuring a free rolling pre-set. The brake is supplied in free rolling condition, meaning the locking component is disabled until a cord is pulled out thus activating it. Supersedes M2A