MAC071B-0-TS-4-C/095-B-1/WA612XX/S001

MPN: R911230307

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The MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 servo motor offers a nominal speed of 3,000 RPM with a continuous torque of 4.4 Nm. It features a 3 Nm integrated brake and IP65 protection.

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Product Description:

The MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 is an AC permanent magnet servo motor. It is manufactured by Bosch Rexroth company which is known for producing high-quality automation solutions. This motor is designed for industrial automation tasks that require precision, control, and reliability. Key features include a frame size of 71, a nominal speed of 3,000 RPM, and an integrated 3 Nm blocking brake for enhanced safety.

The MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 servo motor operates without the need for active cooling. It uses natural convection to manage heat dissipation. It offers a continuous torque of 4.4 Nm under standard cooling conditions. It can increase to 6.6 Nm when additional surface cooling is applied. The motor's continuous current rating is 7.3 A with standard cooling and 4.4 A when surface-cooled. Its winding inductance is 10 mH, while the winding resistance is 1.24 ohms at 20 degrees C. Equipped with standard tacho feedback, the motor supports both incremental and absolute encoders that ensure precise control over position and speed. The MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 servo motor feature enhances accuracy in automation systems where detailed motor performance data is critical. The motor's side B houses the power connection and it includes a 3 Nm brake for stopping safely during operations.

The MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 motor is rated with an IP65 protection class that makes it dust-tight and resistant to water jets. The storage or transport temperature can vary from -20 degrees C to 80 degrees C to ensure that it remains operational under standard ambient conditions. The voltage constant of the motor is 0.0143 Vs/rad which ensures smooth voltage regulation during operation. Weighing approximately 8.8 kg, the motor has a mounting keyway that complies with DIN 6885 standards and facilitates easy installation. These technical features make this servo motor highly reliable for precise tasks that contribute to better automation efficiency and control.

Brake torque
3 Nm
Continuous current (standard cooling)
7.3 A
Continuous torque (standard cooling)
4.4 Nm
Continuous torque (surface-cooled)
6.6 Nm
IP protection class
IP65
Nominal speed
3,000 RPM
Voltage constant
0.0143 Vs/rad
Weight
8.8 kg
Winding inductance
10 mH
Winding resistance (at 20 degrees C)
1.24 ohms
  • MAC071B0TS4C/095B1/WA612XX/S001
  • MAC071B 0 TS 4 C/095 B 1/WA612XX/S001
  • mac071b-0-ts-4-c/095-b-1/wa612xx/s001
  • MAC71B-0-TS-4-C/095-B-1/WA612XX/S001
Fault / Error Meaning (Likely Cause) Corrective Action
Motor will not start No mains power or “Drive Enable” missing Verify 3-phase supply and enable signal at drive; restore voltage
Intermittent start-ups Loose power-connector pins Inspect MAC power plug for backed-out contacts; torque & re-seat
Over-temperature warning despite cool ambient Blocked air path or radial blower not fitted Clear vents, fit optional blower kit, reduce load or duty cycle
Excessive hum / vibration Worn bearings or mechanical mis-alignment Check shaft endplay & bearing noise; realign, replace bearings
Phase-fault (F-fault on drive) Open-circuit motor phase or damaged cable Run continuity test on U/V/W leads; repair or replace cable
“Tacho fault” alarm Feedback tacho open or shield missing Ohm-check tacho coil; verify 3 V/1000 rpm constant; re-shield
Thermal switch trips instantly Partial winding short to ground Insulation-megger stator; send unit for rewind or replacement
High idle current Residual magnet debris or rotor demagnetised Clean air-gap, check magnets; if weak, return for remanufacture
Load drifts after stop Holding brake slipping or not powered Measure brake coil (24 V dc 15–20 W); set air-gap or fit new brake
Position error after motor swap Wrong tacho constant in drive parameters Enter correct 3 V/1000 rpm constant, re-perform reference move
Part Number Cont. Torque (Nm) Nominal Speed (rpm) Nominal Current (A) Mass (kg) Rotor Inertia (kg·m²)
MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 4.4 4000 9.6 8.8 9.9 × 10⁻⁴
MAC071A-0-VS-3-C/095-A-1 2.2 6000 2.6 6.5 N/A
MAC071C-0-NS-4-C/095-A-0/S001 6.6 3000 11 11 1.29 × 10⁻³
MAC063C-0-MS-2-C/095-A-0/S009 2.1 3500 4.1 N/A N/A
MAC071B-0-PS-4-C/095-A-2/WI520LV/S001 4.4 4000 9.6 8.8 9.9 × 10⁻⁴
MAC093A-0-PS-3-C/110-B-1 9.2 3000 11 13 N/A
Error Code Meaning (Drive or Motor Condition Detected)
F207 Switching to an uninitialized operating mode
F208 Motor type change detected (parameter mismatch)
F212 Encoder signals out of range
F213 Motor encoder error – quadrant error
F214 Broken wire to feedback device
F219 Motor overtemperature shutdown
F630 Travel-limit value exceeded
E253 Target position out of range
E256 Torque-limit value = 0
E825 Overvoltage warning

Frequently Asked Questions about MAC071B-0-TS-4-C/095-B-1/WA612XX/S001:

Q: How does the 3 Nm brake enhance safety in MAC071B-0-TS-4-C/095-B-1/WA612XX/S001?

A: The integrated 3 Nm brake ensures precise stopping during operations, preventing unintended movement during power loss.

Q: Why is natural convection cooling used in MAC071B-0-TS-4-C/095-B-1/WA612XX/S001?

A: Natural convection cooling eliminates the need for active cooling, reducing maintenance and enhancing energy efficiency in industrial tasks.

Q: How does the IP65 rating protect MAC071B-0-TS-4-C/095-B-1/WA612XX/S001?

A: The IP65 rating shields the motor from dust and water jets, ensuring reliable operation in harsh environments.

Q: Why is the motor's voltage constant important for MAC071B-0-TS-4-C/095-B-1/WA612XX/S001?

A: The 0.0143 Vs/rad voltage constant ensures smooth voltage regulation, improving performance consistency during variable load conditions.

Q: How does the DIN 6885 keyway assist in installation of MAC071B-0-TS-4-C/095-B-1/WA612XX/S001?

A: The motor's DIN 6885-compliant keyway ensures secure and easy mounting, minimizing setup time for industrial automation applications.


Internal Product Review

  • ‘‘The MAC071B-0-TS-4-C/095-B-1/WA612XX/S001 motor by Bosch Rexroth delivers superior control and reliability for automation applications. With an IP65 rating, 3 Nm integrated brake, and compatibility with absolute encoders, it ensures safe and precise operations, making it an optimal choice for demanding environments.’’

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