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R911337917 (MKE118B-058-AG0-KE4)

MKE Synchronous Motors

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1 Year Warranty Included
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The R911337917 (MKE118B-058-AG0-KE4) is a Bosch Rexroth MKE series permanent-magnet servo motor with ATEX-certified housing for operation in hazardous environments. This unit delivers a maximum speed of 4500 RPM, continuous torque of 28 Nm, and continuous current of 28.4 A. Peak torque and current are rated at 102 Nm and 127.6 A respectively. The motor features a thermal time constant of 90 minutes, a torque constant of 1.15 Nm/A, and a voltage constant of 70 V/RPM at 20°C. It uses a singleturn optical encoder (EnDat 2.1 interface, 2048 lines, ±20 arcsec accuracy), and is constructed with a sealed smooth shaft (frontal centering hole, DIN 332 DS compliant thread) for bearing protection. The terminal box accommodates cable diameters between 13.0 mm and 16.0 mm, and the service connection is oriented at the top. Additional technical details include an insulation class 155 (F), rotor moment of inertia of 0.01940 kgm², discharge capacity of 10.3 nF, and a motor size 118 housing. The motor does not include a holding brake and uses a lifetime-greased bearing system. Installation must be performed by qualified personnel.

Technical Specifications

Product Type
Permanent-magnet Servo Motor

Product Line
Bosch Rexroth MKE

Application
Potentially explosive areas

Housing
ATEX specification

Max Motor Speed
4500 RPM

Thermal Time Constant
90 min

Continuous Torque (60 K Overtemperature)
28 Nm

Continuous Current (60 K Overtemperature)
28.4 Amps

Peak Torque
102 Nm

Peak Current
127.6 Amps

Motor Torque Constant (20°C)
1.15 Nm/A

Motor Voltage Constant (20°C)
70 V/RPM

Winding Resistance (20°C)
2.2 Ohms

Winding Inductivity
0.170 millihenry

Encoder Type
Integrated single-turn optical encoder

Encoder Interface
EnDat 2.1

Encoder Resolution
13 bits

Encoder Lines
2048

Encoder Accuracy
±20 angular seconds

Maximum Encoder Speed
15000 RPM

Encoder Current Draw
Max 150 mA (3.6 to 14 V DC)

Brake
Not available

Electrical Connection Housing
Top Side Terminal Box

Shaft
Smooth with sealing ring

Bearing Type
Greased for lifetime

Maintenance Requirement
Not required

Cable Entry Diameter
13 to 16 mm

Installation Requirement
Qualified and trained personnel only

Global Shipping
Yes

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the MKE118B-058-AG0-KE4.
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