MHD071B-061-PG1-UP Bosch Rexroth Indramat
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MPN: R911293070
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The Bosch Rexroth Indramat MHD071B-061-PG1-UP is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 8.0 Nm and a flange size of 115 mm. It features digital servo feedback with an integrated encoder and absolute position detection, supporting more than 4096 revolutions. The motor has IP65 degree of protection and is equipped with a holding brake that provides 5.0 Nm of torque.
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Product Description:
The Bosch Rexroth Indramat MHD071B-061-PG1-UP belongs to the MHD Synchronous Motors series. It serves as a servo motor for closed-loop positioning in automated machinery. When paired with digital drive controllers, it converts commanded current into controlled shaft rotation for packaging stations, assembly cells, and pick-and-place equipment. Its built-in holding brake can secure the load when power is removed or when the axis must remain in position at standstill, which is useful on vertical or transfer axes.
The B-length size-071 frame uses winding code 061 and a plain shaft with a shaft seal to help resist fluid ingress at the drive end. At standstill, the rotor supplies 8.0 Nm of continuous torque, while the holding brake provides 5.0 Nm to restrain the axis. The motor is sealed to IP65 and uses natural convection cooling, so no separate fan is required. It can operate in ambient air from 0 to 40 °C. Installation is permitted up to 1000 m above sea level, storage is allowed from -20 to +80 °C, and the insulation system uses Class F materials rated for elevated winding temperature. Position data are captured by a digital servo encoder with a system accuracy of ± 0.5 angular minutes, supporting precise motion control and stable closed-loop response.
Mechanical interfacing uses a 115 mm square flange together with a 95 mm centering recess for accurate alignment on the machine face. The power connector can rotate through 270°, and a second plug carries the feedback signals so power and encoder connections remain separate. The encoder stores absolute position over more than 4096 revolutions, which allows position information to remain available after a power interruption. This arrangement supports repeatable startup and simplifies integration where cable routing space is limited around the motor body.
