Strong motor output up to 45 kW
Z Cylindrical-rotor motors
Perfectly engineered braking performance
Our Z cylindrical-rotor motors perform a wide variety of industrial drive tasks – reliably and effectively. They are suitable for a broad range of applications, offering outstanding performance:
- motor output up to 72 HP (45 kW)
- inverter-fed drives for travel applications, line-fed travel and continuous operation
- specially designed to match our range of gearboxes
- simple project engineering
- high drive efficiency
- software tools to calculate drive requirements according to specified physical characteristics
See a comparison between the Z-cylindrical-rotor motor, KBA and KBF motors on our blog.
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Your Contact
Demag Cranes & Components Corp.
6675 Parkland Blvd., Suite 200
Cleveland, Ohio 44139
United States
Product information
The benefits at a glance
For both motor output and braking capacity: you benefit from a range of outstanding advantages with our Z cylindrical-rotor motors.
Strong motor output
- Motor output up to 72 HP (45 kW)
- 2, 4, 6 or 8 poles
- Two-speed motors
- ZBA/ZNA for travel applications with inverters
- ZBF for line-fed travel applications
- ZBE/ZNE for continuous duty in energy efficiency class IE2
Customized braking performance
- Motors with or without a brake
- Specified brake torques from 0.6 to 496 ft-lbs (0.9 to 680 Nm)
- Two brake sizes available for each motor frame size
- ZB cylindrical-rotor motors fitted with disc brakes (held by springs when no voltage is applied)
- Finely graded brake torques by utilizing differing spring strengths and quantities
- Various control modules for switching times to match application requirements
Many further options and accessories
Motor and gearbox combinations
Direct drive input
Gearbox and Z cylindrical-rotor motor combinations using end caps
Coupling connection
Gearbox and motor combinations with Demag coupling shaft end (Z cylindrical-rotor motors or KB conical-rotor brake motors) using intermediate flange and roller spider coupling
Technical data
For outputs up to 45 kW: 4-pole Z motors
| Designation ZBA = braked ZNA = no brake | Output HP [kW] 60% CDF 140 °F (60 °C) temp. |
| ZBA/ZNA 63 B4 | 0.3 (0.18) |
| ZBA/ZNA 71 A4 | 0.4 (0.25) |
| ZBA/ZNA 71 B4 | 0.6 (0.37) |
| ZBA/ZNA 80 A4 | 0.9 (0.55) |
| ZBA/ZNA 80 B4 | 1.2 (0.75) |
| ZBA/ZNA 90 A4 | 1.8 (1.1) |
| ZBA/ZNA 90 B4 | 2.4 (1.5) |
| ZBA/ZNA 100 AL4 | 3.5 (2.2) |
| ZBA/ZNA 100 B4 | 4.8 (3) |
| ZBA/ZNA 112 A4 | 6.4 (4) |
| ZBA/ZNA 132 AL4 | 8.9 (5.5) |
| ZBA/ZNA 132 B4 | 12.1 (7.5) |
| ZBA/ZNA 132 B4 | 15.3 (9.5) |
| ZBA/ZNA 160 AL4 | 17.7 (11) |
| ZBA/ZNA 160 B4 | 24.1 (15) |
| ZBA/ZNA 180 A4 | 29.8 (18.5) |
| ZBA/ZNA 180 B4 | 35.4 (22) |
| ZBA/ZNA 200 A4 | 48.3 (30) |
| ZBA/ZNA 225 AL4 | 59.5 (37) |
| ZBA/ZNA 225 B4 | 72.4 (45) |
Efficiency to IE2: 4-pole ZBE/ZNE motors
Designation ZBE = braked | Output HP [kW] 100 % CDF 104°F (40°C) temp. | Efficiency [%] | ||
| η50 | η75 | η100 | ||
| ZBE/ZNE 63 B4 | 0.18 | 66.5 | 71.2 | 72.1 |
| ZBE/ZNE 71 A4 | 0.25 | 69.5 | 74.0 | 74.9 |
| ZBE/ZNE 80 A4 | 0.55 | 78.0 | 78.3 | 78,1 |
| ZBE/ZNE 80 B4 | 1.2 (0.75) | 79.3 | 82.2 | 79.6 |
| ZBE/ZNE 90 A4 | 1.8 (1.1) | 79.8 | 82.3 | 81.4 |
| ZBE/ZNE 90 B4 | 2.4 (1.5) | 82.1 | 83.4 | 82.8 |
| ZBE/ZNE 100 A4 | 3.5 (2.2) | 83.8 | 84.9 | 84.3 |
| ZBE/ZNE 100 B4 | 4.8 (3) | 83.6 | 86.4 | 85.5 |
| ZBE/ZNE 112 A4 | 6.4 (4) | 86 | 87.4 | 86.6 |
| ZBE/ZNE 132 A4 | 8.9 (5.5) | 87.2 | 88.3 | 87.7 |
| ZBE/ZNE 132 B4 * | 12.1 (7.5) | 87.5 | 90.3 | 88.7 |
| ZBE/ZNE 160 A4 * | 17.7 (11) | 89 | 90.8 | 89.8 |
| ZBE/ZNE 160 B4 * | 24.2 (15) | 89.2 | 91.8 | 90.6 |
| ZBE/ZNE 180 A4 * | 29.8 (18.5) | 89.3 | 92.4 | 91.2 |
| ZBE/ZNE 180 B4 * | 35.4 (22) | 89.2 | 92.3 | 91.6 |
| ZBE/ZNE 200 A4 * | 48.3 (30) | 88.4 | 92.8 | 92.3 |
| ZBE/ZNE 225 A4 * | 59.6 (37) | 90.8 | 93.2 | 92.7 |
| ZBE/ZNE 225 B4 * | 72.5 (45) | 92.2 | 93.5 | 93.1 |
* only for operation with frequency inverter
Line-fed travel applications: 8/2-pole ZBF motors
| Designation | Output HP [kW] 40/40% CDF, 104° F (40 °C) temp. |
| ZBF 63 A 8/2 | 0.09/0.40 (0.06/0.25) |
| ZBF 71 A 8/2 | 0.14/0.55 (0.09/0.34) |
| ZBF 80 A 8/2 | 0.21/0.80 (0.13/0.5) |
| ZBF 90 B 8/2 | 0.32/1.3 (0.2/0.8) |
| ZBF 100 A 8/2 | 0.47/1.95 (0.29/1.2) |
| ZBF 112 A 8/2 | 0.74/3.10 (0.46/1.9) |
| ZBF 132 A 8/2 | 1.15/4.70 (0.72/2.9) |
| ZBF 132 B 8/2 | 1.4/5.60 (0.88/3.5) |
