NEMA Frame Spring Set Brakes C-Face Mount Operation Spring set friction brake is engaged by spring pressure at a fixed torque and releases with the application of designated air pressure Mounting Spring set brake mounts between a c-face motor and gear reducer Not suitable for belt or chain drive (pulley or sprocket output) applications. Consult engineering for options Spring set brakes are designed for horizontal mounting. If vertical mounting is required, consult engineering for options Applications Spring set brakes are designed for Stopping and Holding applications Maximum RPM varies by model. Please consult the detail sheets (below). Consult engineering if the intended application exceeds the listed maximum RPM. Design Features Enclosed design with aluminum, clear anodized aluminum, or stainless steel housing

Spring Set Brake Repair Kits & Parts Click here or view PDF detail sheets below for more information.

Product No. Torque (Lb-In) Release Pressure (PSI) NEMA Frame Size Output Shaft Diameter (Inches) Input Bore Diameter (Inches) Detail Sheet Request 3D CAD Model D3C3R-56H 222 60-65 56C 0.624/0.625 0.625/0.626 D3C3R-56HCA Same specifications as above with clear anodized aluminum housing D3C3R-56HSS Same specifications as above with 304 stainless steel housing D3C3R-14H 222 60-65 143TC, 145TC 0.874/0.875 0.875/0.876 D3C3R-14HCA Same specifications as above with clear anodized aluminum housing D3C3R-14HSS Same specifications as above with 304 stainless steel housing D5C3R-18H 985 60-65 182TC, 184TC 1.124/1.125 1.125/1.126 D5C3R-18HCA Same specifications as above with clear anodized aluminum housing D5C3R-18HSS Same specifications as above with 304 stainless steel housing D5C3R-21H 985 60-65 213TC, 215TC 1.374/1.375 1.375/1.376 D5C3R-21HCA Same specifications as above with clear anodized aluminum housing D5C3R-21HSS Same specifications as above with 304 stainless steel housing

Additional Information

Mach III NEMA frame spring set brakes are solidly constructed to provide reliable power transmission. NEMA frame spring set brake models can be adapted to accommodate customer needs. See our Custom Design Solutions page for more information. Mach III encourages contact with our engineering department before purchasing a NEMA frame spring set brake for use in a new or retrofit application.