Conical-Rotor Brake Motors DEMAG KBA
Conical-Rotor Brake Motors DEMAG KBA
The benefits at a glance
High-performance motor
- Motor output up to 55 kW (at 40% CDF)
- 2, 4, 6 or 8 poles
- Two-speed pole-changing motors
- KBA for starting-and-stopping drives
- KBF for direct line-fed travel motions
Extremely robust brake
- No switching elements needed
- No separate control needed
- Long brake lining service life thanks to effective dissipation of heat generated by the brake (through large surface area of brake cover)
- Short overall length and good heat dissipation (brake disc simultaneously forms the motor fan)
- Two brake disc designs – light for KBA motors, heavy and with increased moment of inertia for KBF motors
- Extremely high switching frequency permitted
- Resistance to temporary overload
Technical data
For outputs up to 55 kW: 4-pole KBA motors
| Designation | Output [kW] 40% CDF |
Braking torque [Nm] |
| KBA 71 A4 | 0.48 | 6.7 |
| KBA 71 B4 | 0.72 | 8.7 |
| KBA 80 A4 | 1.05 | 14.5 |
| KBA 80 B4 | 1.3 | 17.5 |
| KBA 90 A4 | 1.65 | 23 |
| KBA 90 B4 | 2.0 | 29 |
| KBA 100 A4 | 2.4 | 38 |
| KBA 100 B4 | 3 | 48 |
| KBA 112 B4 A | 3.6 | 56 |
| KBA 112 B4 | 4.5 | 68 |
| KBA 125 B4 A | 6 | 82 |
| KBA 125 B4 | 7.4 | 94 |
| KBA 140 B4 A | 9.6 | 130 |
| KBA 140 B4 | 11.5 | 166 |
| KBA 160 B4 | 20 | 215 |
| KBA 180 A4 | 30 | 335 |
| KBA 200 B4 | 40 | 430 |
| KBA 225 B4 | 55 | 610 |
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