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R911321256 (MKE118B-024-DP1-KE4)

MKE Synchronous Motors

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1 Year Warranty Included
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The Bosch Rexroth R911321256 (MKE118B-024-DP1-KE4) is a brushless servo motor engineered for use in potentially explosive environments with ATEX compliance. It incorporates a multiturn optical encoder (2,048 increments, EnDat2.1) for precision shaft positioning. The shaft features a keyway following DIN 6885-1 and includes a holding brake capable of 32 Nm torque. Electrical connection is achieved via a terminal box on the top with a cable entry diameter of 13.0 mm to 16.0 mm. The motor delivers peak torque of 102.0 Nm at a maximum current of 69.1 A and 28.0 Nm continuous torque at 15.3 A (60 K housing temperature rise). Additional technical parameters include a winding inductivity of 0.580 mH, resistance of 7.60 Ω at 20°C, voltage constant of 130.0 V/min-1, and torque constant of 2.12 Nm/A. The unit adheres to IP65 per IEC 60529, operates within 0°C to +40°C ambient temperature, holds an insulation class 155 (F) per DIN EN 60024-1, a 90-minute thermal time constant, 61.1 dB sound pressure level (±3%), and a maximum speed of 4000 rpm. The motor mass is 45 kg.

Technical Specifications

Type
Brushless Servo Motor

Encoder
Optical with 2048 increments

Output Shaft
Balanced with keyway according to DIN 6885-1

Holding Brake Torque
32 Nm

Powered Through
Terminal Box at the top

Cable Entry
13.0 mm to 16.0 mm

Maximum Current
69.1 A

Peak Torque
102.0 Nm

Current at 60K Housing Temperature
15.3 A

Torque at 60K Housing Temperature
28.0 Nm

Constant Voltage at 20°C
130.0 V/min-1

Torque Constant at 20°C
2.12 Nm/A

Winding Resistance
7.60 W

Winding Inductivity
0.580 mH

Operative Temperature Range
0°C to +40°C

Sound Pressure Level
61.1 dB

Protection Class
IP65 according to IEC 60529

Thermal Time Constant
90.0 min

Maximum Speed
4000 rpm

Weight
45.0 kg

Insulation Class
155 according to DIN EN 60024-1

ATEX Compliance
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-024-DP1-KE4.
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