MAC112B-0-LD-4-C/180-A-0/WI534LX/S003
MAC AC Servo Motors
The MAC112B-0-LD-4-C/180-A-0/WI534LX/S003 is a servo motor built by Bosch Rexroth Indramat for the MAC AC Servo Motors series. As a motor for analogue drives, it converts ±10 V command signals from legacy controllers into controlled mechanical rotation, making it suitable for positioning tables, tool changers, and packaging stations in industrial automation.
The centering pilot measures 180 mm, ensuring axial alignment when the flange is clamped to a machine frame. Heat is removed through Natural convection, so the housing surface must remain unobstructed. Winding code LD specifies resistance and inductance values matched to MAC drive amplifiers. With a nominal speed of 2000 min⁻¹, the rotor supplies continuous motion without over speeding adjacent belt or gearbox stages. Power is supplied via a Connector to side A, letting cabinet wiring exit toward the motor’s non-drive end. The B length housing provides mid-range torque capacity, and the feedback package can be supplied with absolute pulse generation when position data must be retained after power loss.
A holding brake is Not Present, so axis locking must be provided by the drive or an external clamp. The integrated tacho generator outputs 3 V/1000 min⁻¹ and is rated with standard quality, delivering an analog velocity signal to the controller. Frame size 112 keeps inertia moderate while still meeting application torque targets. Position feedback is delivered by an Incremental encoder mounted in the standard interface, enabling phase-accurate commutation and fine position interpolation. Together with the defined mounting geometry, these features permit straightforward replacement of earlier MAC motors without modifying mechanical fixtures.
Technical Specifications
Blocking Brake
Not Present
Centering Diameter
180 mm
Continuous current at standstill
26.3 A
Continuous torque at standstill
17.5 Nm
Cooling Type
Natural convection
Feedback Configuration
W/ tachofeedback incremental or absolute encoder
Mass
36 Kg
Maximum peak of pulse current
130 A
Motor Length
B
Motor Size
112
Nominal motor speed
2,000 rpm
Nominal RPM
2000min-1
Power Connection Location
Connector to side A
Product Type
Motor for analogue drives
Rotor moment of inertia
120 x 10^-4 kgm^2
Tacho Quality
Standard
Tacho voltage
3V/1000min-1
Thermal time constant
90 min
Torque constant at 20 degrees C
0.74 Nm/A
Type of position feedback
Incremental encoder with standard mounting
Winding Code
LD
Windings inductance
3.5 mH
Windings resistance at 20 degrees C
0.26 Ohm
Common Misspellings
Shipping & Payment Options
Warranty
Repair
We offer a repair service for the MAC112B-0-LD-4-C/180-A-0/WI534LX/S003. 
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