MKE047B-144-CP1-BUNN Bosch Rexroth Indramat
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MPN: R911333575
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The Bosch Rexroth Indramat MKE047B-144-CP1-BUNN is a servo motor in the MKE Synchronous Motors series designed for use in potentially explosive areas. It features an optical multiturn absolute Hiperface encoder with 128 increments and includes a holding brake with a torque of 2.2 Nm. This motor has a shaft with DIN 6885 keyway, 4 pole pairs, insulation class 155 F, and a B-side terminal box connection.
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Product Description:
The MKE047B-144-CP1-BUNN is a servo motor produced by Bosch Rexroth Indramat in the MKE Synchronous Motors series. Designed for potentially explosive areas, the unit supplies closed-loop rotary motion in automation cells where flammable gases or dust could be present. It uses the 47 mm frame format with winding code 144 to deliver torque under matched drive control. This arrangement supports applications that need accurate motion while operating in hazardous locations.
Electrical and feedback interfaces are arranged on the B-side, where a terminal box hosts the power, brake, and signal connections. Position feedback is generated by an optical encoder, and the M1 sensor provides 128 measuring increments per revolution while the multiturn absolute Hiperface interface reports shaft angle and complete turn counts to the control system. A spring-applied brake rated at 2.2 Nm clamps the rotor when the drive is disabled, helping prevent drift on vertical or safety-critical axes. The integrated shaft seal helps block dust ingress at the output end, and routing the encoder connection through the same enclosure keeps wiring contained. This layout keeps the external connections grouped at one end of the housing for cleaner cable routing in compact machine spaces.
The stator insulation is rated to 155 (F), allowing continuous operation at elevated winding temperatures without premature aging. A housing that meets UL/CSA guidelines supports use in machine builds intended for the North American market. The rotor is built with 4 pole pairs to balance torque density and speed in moderate-power axes. Mechanical transmission uses a shaft with keyway, and the geometric reference follows the DIN 6885 keyway profile so standard couplings seat correctly. The keyed output supports positive torque transfer to common hub and coupling designs. The MKE family construction maintains gas-tight integrity for use in hazardous locations.
Frequently Asked Questions about MKE047B-144-CP1-BUNN:
Q: What type of encoder is used on the MKE047B-144-CP1-BUNN motor?
A: The MKE047B-144-CP1-BUNN utilizes an optical multiturn absolute encoder with Hiperface protocol for precise feedback.
Q: What is the holding brake torque of the MKE047B-144-CP1-BUNN servo motor?
A: This model provides a holding brake torque of 2.2 Nm for secure position holding during power loss.
Q: What shaft configuration does the MKE047B-144-CP1-BUNN motor offer?
A: The MKE047B-144-CP1-BUNN features a shaft with a DIN 6885 keyway and a shaft seal installed.
Q: Is the MKE047B-144-CP1-BUNN compliant with any specific housing standards?
A: It complies with UL and CSA housing standards, ensuring certified safety and construction.
Q: Where is the electrical connection located on the MKE047B-144-CP1-BUNN servo motor?
A: The electrical connection for this model is placed on the B-side and uses a terminal box.
