MHD071B-061-PP2-UN/SA003 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat MHD071B-061-PP2-UN/SA003 is a servo motor from the MHD Synchronous Motors series. It features a continuous torque at standstill of 8.0 Nm and a characteristic motor speed of 4500 rpm. The motor is liquid cooled, weighs 8.8 kg, and has an IP65 degree of protection.

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Product Description:

The MHD071B-061-PP2-UN/SA003 is a servo motor from Bosch Rexroth Indramat’s MHD Synchronous Motors series. It works with digital drives to convert commanded current into shaft rotation for production lines, packaging equipment, and transfer axes. This design suits applications that need repeatable speed regulation and torque delivery during motion.

This model delivers a continuous standstill torque of 8.0 Nm and reaches a characteristic speed of 4500 rpm, giving the motor constant-power behavior across a operating range. A peak current of 50.5 A supports short acceleration demands and can produce a theoretical torque of 32.0 Nm when the drive calls for more output. A torque constant of 0.77 Nm/A, a voltage constant of 70.0 V/1000 rpm, four pole pairs, rotor inertia of 8.7 × 10⁻⁴ kg·m², and winding resistance of 1.45 Ω define how the motor responds dynamically.

Liquid cooling helps the housing maintain temperature control while preserving the IP65 enclosure rating, and the keyed shaft with a shaft seal limits contamination in demanding environments. The motor mounts on a 115 mm square flange with a 95 mm centering diameter, and its power and feedback connectors can rotate 270° to suit cable routing with conductors of at least 1.0 mm². An integrated holding brake provides 6.5 Nm at rest, digital servo feedback tracks absolute position over more than 4096 revolutions, the motor’s mass of 8.8 kg aids axis load calculations, and winding inductance of 7.2 mH influences current rise.

Wake Industrial offers same-day shipping when schedules are critical. Each purchase includes a 1-year warranty. Quotations remain valid for 30 days.

Centering diameter
95 mm
Characteristic Motor Speed
4500 rpm
Continuous Torque at Standstill
8.0 Nm
Degree Of Protection
IP65
Encoder Type
Digital servo feedback w/ integrated encoder
Flange size
115 mm
Holding Brake
With holding brake
Holding Brake Torque
6.5 Nm
Housing Cooling Type
Liquid cooling
Min. Conductor Cross-section
1.0 mm²
Motor Length
B
Motor Mass
8.8 kg
Motor Size
071
Peak Current
50.5 A
Pole Pairs
4
Power Connection Direction
turnable within a range of 270°
Power Connection Type
Power and feedback connectors
Product Type
Servo Motor
Rotor Inertia
8.7e-4 kgm²
Shaft Design
Keyed Shaft
Shaft Seal
Yes
Theoretical Maximum Torque
32.0 Nm
Torque Constant (20°c)
0.77 Nm/A
Type of Position Detection
Absolute (>4096 revolutions)
Voltage Constant (20°c)
70.0 V/1000 rpm
Winding Code
061
Winding Inductance
7.2 mH
Winding Resistance (20°c)
1.45 Ω

Frequently Asked Questions about MHD071B-061-PP2-UN/SA003:

Q: What type of shaft does the MHD071B-061-PP2-UN/SA003 motor have?

A: The MHD071B-061-PP2-UN/SA003 servo motor features a keyed shaft design for secure mechanical engagement.

Q: What is the maximum characteristic motor speed of the MHD071B-061-PP2-UN/SA003?

A: This motor offers a maximum characteristic speed of 4500 rpm, allowing for high-speed automation applications.

Q: Does the MHD071B-061-PP2-UN/SA003 include a holding brake?

A: The motor comes equipped with a holding brake that delivers a holding torque of 6.5 Nm.

Q: What level of protection does the MHD071B-061-PP2-UN/SA003 provide against environmental factors?

A: The MHD071B-061-PP2-UN/SA003 has an IP65 degree of protection, making it resistant to dust and low-pressure water jets.

Q: What type of housing cooling does the MHD071B-061-PP2-UN/SA003 feature?

A: This model utilizes liquid cooling for effective thermal management during operation.


Internal Product Review

  • ‘‘The MHD071B-061-PP2-UN/SA003 from Bosch Rexroth Indramat is a synchronous servo motor featuring a 4500 rpm characteristic speed and 8.0 Nm continuous torque at standstill. Its IP65 degree of protection and integrated digital servo feedback encoder ensure reliable performance in demanding environments. Liquid cooling and a keyed shaft design further enhance the unit's versatility for precision automation applications.’’

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