R911289800 (MHD115B-058-NP1-RA)

Name: R911289800 (MHD115B-058-NP1-RA)
Brand: Indramat Motors
SKU: MHD115B-058-NP1-RA
Price: 304.00 USD
Availability: InStock

MHD Synchronous Motors

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The Bosch Rexroth MPN R911289800 (MHD115B-058-NP1-RA) is a synchronous servo motor designed for precision motion control in industrial applications. It features a right-side power connector compatible with surface and natural cooling. The motor offers 3.2 kW power output, delivers 17.0 Nm torque at 15 A and 100 Hz, and maintains 75 Nm nominal torque at 93.3 A with surface cooling. It provides digital servo feedback (HSF) for relative position detection, has a keyed shaft with shaft seal, measures 115 in size, and features a flange size of 192 mm and centering diameter of 180 mm. The motor includes a holding brake with 70.0 Nm holding torque, is rated IP65, and uses Class F insulation. The thermal time constant is 40 minutes with surface cooling and 90 minutes with natural convection. Weight is 40 kg.

Technical Specifications

Cooling Style
Surface and Natural

Protection Certification
IP65

Insulation Class
F

Running Current
15 A

Running Frequency
100 Hz

Power Output
3.2 kW

Torque
17.0 Nm

Feedback Type
Digital Servo

Surface Cooling Torque
75 Nm

Surface Cooling Current
93.3 A

Rated Speed
4000 rpm

Weight
40 kg

Thermal Time Constant (Surface Cooling)
40 minutes

Thermal Time Constant (Natural Cooling)
90 minutes

Voltage Constant
81.8 V/1000min-1

Torque Constant
0.9 Nm/A

Holding Brake Weight
3.8 kg

Winding Inductance
1.6 mH

Winding Resistance
0.11 ohms

Frequently Asked Questions

Is the MHD115B-058-NP1-RA compatible with standard mounting structures?

Yes, the MHD115B-058-NP1-RA is built to align securely with mounting structures for optimal installation. It comes with a flange diameter of 180 mm.

What method of cooling does the MHD115B-058-NP1-RA employ?

The MHD115B-058-NP1-RA uses natural air cooling, a simplified cooling mechanism that allows heat dissipation through the motor's housing without complex cooling infrastructure.

Does the MHD115B-058-NP1-RA remain stable in high operating temperatures?

No, the MHD115B-058-NP1-RA offers stable operation in temperatures of up to +45 °C, beyond which performance derating may occur.

Does the MHD115B-058-NP1-RA offer simplified mechanical coupling?

Yes, the MHD115B-058-NP1-RA comes with a keyed output shaft that allows a stable mechanical connection to other components. The connection can be balanced with a key to prevent vibration during operation, optimizing system performance.

What type of connector does the MHD115B-058-NP1-RA feature?

The MHD115B-058-NP1-RA comes with a right-side connector that provides a seamless interface for electrical integration.

Common Misspellings

MHD115B058NP1RA

MHD115B 058 NP1 RA

mhd115b-058-np1-ra

Internal Product Review

The MHD115B-058-NP1-RA is reliable, offering stable torque delivery even at slower speeds. Its enhanced precision capabilities make performance reliable even in sensitive applications. However, the fixed power connection direction may not suit all layouts.