MKE037B-144-CG0-AUNN Bosch Rexroth Indramat
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MPN: R911392477
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The Bosch Rexroth Indramat MKE037B-144-CG0-AUNN is part of the MKE Synchronous Motors series and is designed as a servo motor for potentially explosive areas. This motor features a plain shaft with a frontal centering hole and DIN 332 compliant thread, optical multiturn absolute Hiperface encoder with 128 increments, and insulation class 155 F. It has an IP65 rating, a terminal box connection on the A-side, and complies with UL/CSA housing standards.
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Product Description:
The MKE037B-144-CG0-AUNN belongs to the MKE Synchronous Motors series produced by Bosch Rexroth Indramat. Classified as a servo motor for potentially explosive areas, it converts command signals from an intrinsically safe drive into controlled mechanical rotation so that actuators in hazardous zones can be positioned accurately. It uses a type 144 winding for the electromagnetic profile required by this small-frame unit, and the housing follows UL and CSA rules for North American installations. The compact frame is suited to metering pumps, filling heads, and valve actuators used in process equipment.
This motor carries an enclosure rating of IP65, which provides dust-tight sealing and protection against low-pressure water jets. Its windings use an insulation system rated at 155 (F), allowing higher internal temperatures before thermal limits are reached. Operation is permitted within an ambient range of 0 to +40 °C. Power and feedback cables exit on the A-side of the frame and terminate inside a terminal box that simplifies wiring and strain relief. This layout keeps both cable sets at one end of the motor and supports orderly routing in compact machine spaces. A shaft seal blocks oil ingress, and the DIN 332 DS thread at the shaft end supports puller tool engagement. The rotor nose also includes a frontal centering hole that helps align couplings.
Position feedback is supplied by an optical encoder that generates 128 absolute increments per mechanical turn. The sensing element is a multi-turn absolute Hiperface model M1, so true position is retained over multiple revolutions after power loss. The rotor is supplied without a holding brake, making external clamping necessary when static load holding is critical. It uses a plain shaft to reduce key-induced stress concentrations, and the UL and CSA compliant housing maintains the same protection rating when correctly bonded to ground. This arrangement supports deterministic speed and torque response in pump metering, filling, and valve control tasks.
Frequently Asked Questions about MKE037B-144-CG0-AUNN:
Q: What shaft design is provided on the MKE037B-144-CG0-AUNN motor?
A: The MKE037B-144-CG0-AUNN features a plain shaft with a frontal centering hole.
Q: What type of encoder is included with the MKE037B-144-CG0-AUNN?
A: This motor is equipped with an optical encoder, Multiturn absolute Hiperface type, offering 128 increments.
Q: What is the permitted ambient temperature range for the MKE037B-144-CG0-AUNN?
A: The MKE037B-144-CG0-AUNN operates within ambient temperatures from 0 to +40 °C.
Q: What level of environmental protection does the MKE037B-144-CG0-AUNN offer?
A: This model conforms to IP 65 protection, offering resistance to dust and low-pressure water jets.
Q: Does the MKE037B-144-CG0-AUNN include a holding brake?
A: The motor does not include a holding brake.
