Spring Engaged Brakes – NEMA Frame
C-Face Mounted Friction Brakes for Power Off Holding
Function: Holding, Failsafe (Non-Cycling Applications)
Drive Arrangement: Motor to Gear Reducer (Gear Box)
Operation
- Spring pressure compresses drive and friction discs to produce a fixed amount of torque.
- The brake is released when energized with sufficient air pressure (see table below).
Mounting
- Brake is designed to mount between a c-face motor and gear reducer.
- Not suitable for belt or chain drive (pulley or sprocket output) configurations.
- Brake is designed for horizontal mounting. If vertical mounting is required, consult engineering.
Applications
- Spring engaged brakes are designed for holding applications.
- Maximum RPM varies by model and is listed on the PDF detail sheet (see table below). Consult engineering if the intended application exceeds the listed maximum RPM.
Design Features
- Models listed have enclosed, aluminum housings.
- Clear anodized and stainless housing versions are also available. Contact engineering for details.
Customization Options
All Mach III products can be customized to meet the needs of your application.
" />| Product Code | Torque | Brake Release Pressure | NEMA Frame Size | Output Shaft & Input Bore | Detail Sheet | Request 3D CAD Model |
|---|---|---|---|---|---|---|
| D2C2R-42H | 73 lb-in | 60-65 PSI | 42C | 0.375 in | View PDF | Request |
| D2C2R-48H | 73 lb-in | 60-65 PSI | 48C | 0.500 in | View PDF | Request |
| D3C2F-34H | 59 lb-in | 60-65 PSI | 34C | 0.500 in | View PDF | Request |
| D3C3R-56H | 222 lb-in | 60-65 PSI | 56C | 0.625 in | View PDF | Request |
| D3C3R-14H | 222 lb-in | 60-65 PSI | 143TC, 145TC | 0.875 in | View PDF | Request |
| D5C3R-18H | 985 lb-in | 60-65 PSI | 182TC, 184TC | 1.125 in | View PDF | Request |
| D5C3R-21H | 985 lb-in | 60-65 PSI | 213TC, 215TC | 1.375 in | View PDF | Request |
| D8C2K-28H | 2,367 lb-in | 70-75 PSI | 284TC, 286TC | 1.875 in | View PDF | Request |