Quick Details
Type: Garage Door Openers
Place of Origin: Zhejiang, China (Mainland)
Model Number: RSB-1-40
Packaging & Delivery

Specifications
single-way brake. it can handle about 500kgs door 
safety brake for roller shutter
Application for Doors ≤500kgs,
Single-way Operation; 
Screw: 30N.m,
the brake max torque: 547N.m;