MKE037B-144-AG0-AUNN Bosch Rexroth Indramat
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MPN: R911332458
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The Bosch Rexroth Indramat MKE037B-144-AG0-AUNN is a servo motor from the MKE Synchronous Motors series designed for potentially explosive areas. It features a plain shaft with a frontal centering hole, comes with an optical singleturn Hiperface encoder with 128 increments, and is built to UL/CSA compliance standards. This motor has an IP65 rating and uses a terminal box on the A-side for connection.
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Product Description:
The MKE037B-144-AG0-AUNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the MKE Synchronous Motors series. Classified as a servo motor for potentially explosive areas, it supplies controllable torque and speed to pumps, mixers, and positioning axes where ignition sources must be minimized. By combining explosion-protected construction with integrated feedback, the unit allows closed-loop motion functions to operate directly inside hazardous process zones without relocating the drive to a safe enclosure.
Protection and feedback features shape the electrical interfaces of the motor. The housing carries an ingress rating of IP 65, sealing the stator against dust and low-pressure water jets encountered on production floors. Power and signal leads exit on the A-side, and the wiring is completed in a terminal box that accepts armored conduit typical of chemical facilities. Rotor position is reported by a single-turn Hiperface optical encoder that generates 128 increments per revolution, and this resolution suits drive controllers that require absolute feedback at power-up. Thermal endurance comes from Class 155 (F) insulation, allowing the copper windings to operate well above ambient temperature without premature aging. The motor is delivered without a holding brake, so static load retention must be handled mechanically or by drive torque.
The unit is specified for continuous operation between 0 to +40 °C, so additional enclosure cooling is unnecessary in most indoor zones. A plain shaft with a frontal centering hole simplifies coupling to gear stages, and the journal includes a DIN 332 DS thread to accept extraction screws during maintenance. A positive shaft seal is fitted to limit vapor ingress, while UL and CSA housing compliance supports acceptance in North American plants. The 144 winding code matches coil impedance to low-voltage explosion-proof inverters used with this motor.
Frequently Asked Questions about MKE037B-144-AG0-AUNN:
Q: What is the allowable ambient temperature range for the MKE037B-144-AG0-AUNN motor?
A: The MKE037B-144-AG0-AUNN operates within an ambient temperature range of 0 to +40 °C.
Q: What type of encoder and how many increments does the MKE037B-144-AG0-AUNN motor have?
A: This model features an optical singleturn Hiperface encoder with 128 increments and an S1 encoder model.
Q: Where is the electrical connection located on the MKE037B-144-AG0-AUNN motor?
A: The connection direction for this motor is on the A-side, utilizing a terminal box.
Q: What is the IP rating of the MKE037B-144-AG0-AUNN motor?
A: The MKE037B-144-AG0-AUNN is rated IP65, providing protection against dust and low-pressure water jets.
Q: Is the MKE037B-144-AG0-AUNN equipped with a holding brake?
A: This motor is manufactured without a holding brake.
