Anti-chainbreak Safety Brake Instruction:Anti-chain safety brake consists of caps,bearings,roller,micro-switches and other components.It fixed into the drum stand when it is working .the drum shaft connect with roller through the key and shaft.Micro-switch controls the power-driven devices,when the drive device normally working,the chain devices together with the roller move,when the abnormal situation happend,the chain device can automatically cut off power ,at the same time brake the roller to prevent the curtain drop. :Anti-chain safety brake device technical parameters and dimensions; 1.Technical parameter: ModelRunning timeround/minMaximum torqueN.mScrew locking torqueN.mBraking speedround/minWeightkgminmax1000kg225004248607.75500kg223002556704.8200kg15100945651.35 2.Dimension: UNITS:mm ModelABCDEFHIL1000 kg 402601005350230210.512.114500 kg 302107947.546180174.58.112.2200 kg 1712563241001285.18.7 :Functions and selection 1. The main function Anti-chain safety brake device is mainly applied to a variety of shutter door,shutter windows.Main function is to improve the use of door security.It is additional components of rolling door motors and other drives.when the chain is broken or electric brake failure or sudden power outages or other dangerious situation happen, the anti-chain safety device will brake the roller of the curtain in order to protect the personal safe and property.so u will feel more secure and more reliable . 2.Application or Selection Model Applicable rolling door model 1000 kg 600∼1000kg rolling door motor 500 kg 300∼500kg rolling door motor 200 kg 150kg rolling door motor90N·m110N·m tubular motor