Powerful, high torque brake installed between a servomotor and the driven load.
A New Standard in Performance
Nexen’s Spring Engaged, Air Released Servomotor Brakes are available safety certified to comply with international safety standard ISO 13849-1. Category Level up to 4 and Performance Level up to e, able to be achieved using NexSafe™ products in recommended configuration.
- Integral Clamp Collar with Backup Keyway
- 3 Operating Mode Sensors Available
- Multiple Engagement Springs
- Default to Lock
INDUSTRY 4.0 SOLUTION Nexen’s Rail Brake Operating Mode Sensors for either Engagement or Disengagement are Industry 4.0 compatible and can provide information to maximize machine efficiency. Having this information available aides with:
- Accurate Linear Positioning
- Predictive Maintenance
- Operational Feedback
Servomotor Brake Sizes
Specifications shown as a range. Contact Norman G Clark to make modifications to fit your application.
| Model/Size | Static Torque | Bore/Shaft Diameter | Pilot Diameter | Bolt Circle Diameter | Minimum Release Pressure |
|---|---|---|---|---|---|
| Size 3 (fits NEMA 34) | 7.9 Nm [70 in-lbf] | 9 to 19 mm [.375 to .750 in] | 45 to 80 mm [1.77 to 3.15 in] | 85 to 115 mm [3.346 to 4.528 in] | 5.5 BAR [80 PSI] |
| Size 4 (fits NEMA 42) | 15.3 Nm [135 in-lbf] | 14 to 28 mm [.536 to 1.063 in] | 55.55 to 114.3 mm [2.178 to 4.50 in] | 110 to 150 mm [4.528 to 5.906 in] | 5.5 BAR [80 PSI] |
| Size 5 | 32.8 Nm [290 in-lbf] | 19 to 38 mm [.750 to 1.500 in] | 110 to 130 mm [4.33 to 5.12 in] | 149.2 to 186 mm [5.874 to 7.323 in] | 5.5 BAR [80 PSI] |
| Size 7 | 88.1 Nm [780 in-lbf] | 24 to 42 mm [1.000 to 1.625 in] | 114.3 to 180 mm [4.50 to 7.09 in] | 196.9 to 215 mm [7.75 to 8.46 in] | 5.5 BAR [80 PSI] |
| Size 9 | 88.1 Nm [780 in-lbf] | 32 to 55 mm [1.250 to 2.125 in] | 180 to 200 mm [7.09 to 7.87 in] | 215 to 235 mm [8.46 to 9.25 in] | 5.5 BAR [80 PSI] |
| Size 11 | 88.1 Nm [780 in-lbf] | 35 to 65 mm [1.375 to 2.500 in] | 230 to 250 mm [9.06 to 9.84 in] | 265 to 300 mm [10.43 to 11.81 in] | 5.5 BAR [80 PSI] |