AC Motors from Demag Cranes & Components

Z Cylindrical Rotor Motors -- ZBA 90 A 2

Z Cylindrical Rotor Motors -- ZBA 90 A 2 -- View Larger Image
Z Cylindrical Rotor Motors -- ZBA 90 A 2-Image

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

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

Product Category
AC Motors
Performance Specifications
AC Voltage
208-230/240V 60Hz; 460/480V/60Hz; 575/600V/60Hz (optional feature); International Voltages (optional feature)
Shaft Speed
3400 rpm
Continuous Current
3.1 amps
Continuous Torque
45.12 In-lbs (52.03 kg-cm)

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To view all product specifications available in these tables, click on the "View Entire Datasheet" button.

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Output Power
Rotor Inertia
Motor Type
AC Construction
Shaft Orientation
Gearing Options
Housing / Enclosure
Motor Shape
Extreme Environment
Other Specifications

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