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MHP115B-024-HG1-BNNNNN Bosch Rexroth Indramat

MPN: R911299615

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The Bosch Rexroth Indramat MHP115B-024-HG1-BNNNNN is part of the MHP Synchronous Motors series and features a plain shaft with a sealing ring and a holding brake with 70 Nm torque. The motor provides 50 Nm continuous torque at standstill and uses natural convection cooling. It is rated with IP65 protection and has an incremental encoder with 2048 increments for motor feedback.

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Product Description:

The MHP115B-024-HG1-BNNNNN is an AC synchronous servo motor built by Bosch Rexroth Indramat and included in the MHP Synchronous Motors series. Designed for demanding positioning tasks, the unit converts controlled three-phase drive output into accurate rotary motion for packaging lines, machine tools, and handling equipment. It is intended for servo applications that require accurate starts, stops, and repeatable positioning over long operating cycles. Its mechanical interface, feedback system, and integrated brake support use in closed-loop axes driven by compatible digital controllers. The motor uses a plain shaft for coupling to gearboxes or direct-drive loads, and the shaft seal helps keep lubricant in place while limiting contaminant entry at the output end.

With natural convection cooling, the motor delivers a continuous standstill torque of 50.0 Nm, giving the axis high holding capacity without forced ventilation. Heat dissipates through the finned housing rather than an external blower, which helps keep the installation compact. Because cooling is passive, the installation does not require a separate blower assembly. The enclosure is rated IP65, so dust and low-pressure water jets are kept away from internal components. Insulation class F supports winding temperatures up to 155 °C during normal operation. The permitted ambient operating range is 0 to +40 °C, which fits typical industrial indoor conditions.

The integrated brake provides up to 70.0 Nm of holding torque, helping prevent vertical or high-inertia loads from drifting when power is removed. This brake arrangement is useful on axes that must remain stationary at standstill after motion stops. Position feedback comes from an incremental encoder with 2048 increments per revolution, giving the controller fine resolution for interpolation and speed control. Winding code 024 identifies the motor's electrical configuration for compatible drive matching. Frame size 115 uses flange dimensions common to this motor family. The motor also has length code B, and the power connector is oriented toward side B for straightforward cable routing.

Allowed ambient temperature
0 to +40°C
Brake Current
1.29 A
Brake Voltage
24 VDC
Continuous Standstill Torque (Δt60k)
50.0 Nm
Continuous Torque at Standstill Natural Convection
50.0 Nm
Drive Shaft
Plain Shaft with sealing ring
Feedback Resolution
2048 lines
Holding Brake
With Holding Brake
Holding Brake Torque
70.0 Nm
Housing Type
Natural Convection
Insulation class
F
Max Winding Temp
155 °C
Maximum Torque
160.0 Nm
Motor Feedback
Incremental encoder, 2048 increments
Motor Length
B
Motor Size
115
Other Designs
No other design present
Peak Current
99.0 A
Power Connection Direction
Connector to side B
Product Group
MHP Synchronous Motors
Protection category
IP65
Rated Power (Δt60k)
3.7 kW
Rotor Inertia
93.2 x 10^-4 kg·m²
Torque Constant
2.50 Nm/A
Voltage Constant
154.0 V/1000 min^-1
Winding Code
024
Winding Inductance
5.3 mH
Winding Resistance
0.36 Ω
  • MHP115B024HG1BNNNNN
  • mhp115b-024-hg1-bnnnnn
  • MHP115B 024 HG1 BNNNNN

Frequently Asked Questions about MHP115B-024-HG1-BNNNNN:

Q: What type of drive shaft does the MHP115B-024-HG1-BNNNNN motor use?

A: The MHP115B-024-HG1-BNNNNN features a plain shaft with a sealing ring, providing a straightforward mechanical interface and additional shaft protection.

Q: Does the MHP115B-024-HG1-BNNNNN come equipped with a holding brake?

A: This model includes a holding brake capable of delivering 70.0 Nm of braking torque.

Q: What motor feedback system is used in the MHP115B-024-HG1-BNNNNN?

A: The MHP115B-024-HG1-BNNNNN provides incremental encoder feedback with 2048 increments for precise motor monitoring.

Q: What is the allowed ambient temperature range for the MHP115B-024-HG1-BNNNNN?

A: This motor is designed to operate in ambient temperatures between 0 and +40°C.

Q: What protection category is provided by the MHP115B-024-HG1-BNNNNN motor?

A: The MHP115B-024-HG1-BNNNNN has a protection category of IP65, offering solid protection against dust and water jets.


Internal Product Review

  • ‘‘The MHP115B-024-HG1-BNNNNN is a Bosch Rexroth Indramat MHP synchronous motor with natural convection housing and IP65 protection. From a technical standpoint, the 70.0 Nm holding brake and 2048-increment encoder support secure positioning and dependable feedback performance. The 50.0 Nm continuous standstill torque makes the motor a strong choice for demanding servo applications.’’

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