Product Description:

The MKE037B-144-CG1-BUNN is a servo motor engineered by Bosch Rexroth Indramat for the MKE Synchronous Motors series. It is intended for use in potentially explosive areas where flammable gas or dust may be present during normal operation. When paired with a certified drive controller, the motor provides closed-loop rotary actuation for conveyors, mixers, and positioning stations in zone-rated production lines. Its compact construction supports controlled torque and speed while meeting the installation demands of hazardous-location machinery.

The motor enclosure has an ingress protection rating of IP 65, which helps keep dust and low-pressure water jets away from the internal windings and feedback components. The permitted ambient operating range is 0 to +40 °C, and operation within that range helps the motor maintain stable thermal performance. Power and signal leads enter through a terminal box that can be rotated to improve cable routing without opening the main housing. Rotor position is monitored by an optical multiturn Hiperface encoder that reports 128 absolute counts per revolution, so the drive can retain position information after a power interruption. The motor also includes a holding brake for applications that need the shaft to remain secured when input power is removed.

The cable glands are located on the B-side of the frame, and winding code 144 is used for this motor size. Compliance with UL/CSA requirements supports use in North American classified locations. The insulation system has a rating of 155 (F), which supports the motor’s thermal capability during continuous service. A plain shaft with a frontal centering hole and a DIN 332-compliant DS thread supports accurate coupling to driven equipment, while the factory-installed shaft seal helps protect the bearings from vapor and contamination. Encoder model M1 identifies this feedback variant within the series.