MKE047B-144-GP0-BUNN Bosch Rexroth Indramat
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MPN: R911292978
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The Bosch Rexroth Indramat MKE047B-144-GP0-BUNN is a servo motor from the MKE Synchronous Motors series designed for use in potentially explosive areas. It features a terminal box connection on the B-side, a shaft with a DIN 6885 keyway, and complies with UL/CSA housing standards. The motor is built with an insulation class of 155(F), has four pole pairs, and includes a shaft seal.
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Product Description:
The MKE047B-144-GP0-BUNN is a synchronous servo motor produced by Bosch Rexroth Indramat within the MKE Synchronous Motors series. Designed for potentially explosive areas, it converts drive-supplied three-phase power into controlled rotary motion for pumps, mixers, or positioning systems found in chemical and pharmaceutical plants. The motor’s flame-proof enclosure and continuous monitoring options support hazardous-location use while still allowing closed-loop speed or torque control. This arrangement suits applications that need precise motion without compromising protective enclosure integrity.
The electrical interfaces are placed on the motor’s B-side so cable glands and armored conduit can be routed downward inside a flame-proof enclosure. Power, feedback, and protective earth conductors terminate in a cast-aluminum terminal box, an arrangement that simplifies field wiring in classified plants and shields the connection chamber from ignition sources. Inside the stator, the windings are grouped to form 4 pole pairs, giving the rotor eight alternating magnetic regions that set the synchronous speed relationship with the supplied frequency. Thermal endurance is governed by insulation class 155 (F), allowing continuous winding temperatures up to 155 °C before dielectric degradation starts. External surfaces, sealing gaskets, and ground continuity meet UL/CSA installation rules for equipment used in hazardous gas or dust atmospheres.
The mechanical side of the motor is configured for direct coupling. Because it is supplied without a holding brake, torque must be maintained by the drive or an external clamp when the axis is at rest. A precision-ground steel shaft with a shaft with a keyway machined to DIN 6885 transmits torque to gearboxes or pulleys without slippage. A positive-lip shaft seal is fitted to block oil vapor or conductive dust from the bearing cavity, which helps preserve service life in explosive settings. The electromagnetic circuit follows winding code 144, which corresponds to the electrical characteristics used for this motor frame size.
Frequently Asked Questions about MKE047B-144-GP0-BUNN:
Q: What series does the MKE047B-144-GP0-BUNN motor belong to?
A: The MKE047B-144-GP0-BUNN is a servo motor from the MKE Synchronous Motors series.
Q: What shaft configuration does the MKE047B-144-GP0-BUNN motor use?
A: This model features a shaft with a DIN 6885 keyway and includes a shaft seal for added protection.
Q: Does the MKE047B-144-GP0-BUNN motor include a holding brake?
A: The MKE047B-144-GP0-BUNN is produced without a holding brake.
Q: Where is the electrical connection located on the MKE047B-144-GP0-BUNN motor?
A: The connection for this motor is oriented on the B-side and utilizes a terminal box.
Q: What safety and compliance standards does the MKE047B-144-GP0-BUNN motor meet?
A: This servo motor is compliant with UL and CSA housing standards for safety in potentially explosive areas.
