MKE047B-144-CG1-BENN Bosch Rexroth Indramat
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MPN: R911316652
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The Bosch Rexroth Indramat MKE047B-144-CG1-BENN is a servo motor from the MKE Synchronous Motors series designed for use in potentially explosive areas with ATEX-compliant housing. It features a plain shaft with a frontal centering hole, a shaft seal, and a holding brake rated at 2.2 Nm. The motor includes a multiturn absolute optical encoder with 128 increments, is equipped with a terminal box connection on the B-side, and uses a winding type 144.
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Product Description:
The MKE047B-144-CG1-BENN is a servo motor produced by Bosch Rexroth Indramat as part of the MKE Synchronous Motors series. Designed for use in potentially explosive areas, this unit converts electrical energy into controlled mechanical rotation for positioning and speed-control tasks in automation cells where ignition risks are present. It incorporates an optical multiturn absolute encoder to report shaft position to compatible drives, allowing closed-loop control of conveyors, pick-and-place axes, or machine tools operating in chemical or paint environments. This feedback arrangement lets the connected drive monitor rotor position continuously during acceleration, deceleration, and steady-state operation.
The motor housing is certified to the ATEX directive, so its surface characteristics and clearances limit spark or high-temperature ignition sources. Power and feedback conductors exit on the B-side, and connections are made through a sealed terminal box, which helps protect cable entry points in enclosed installations. Electromagnetic geometry is set by 4 pole pairs, giving a sinusoidal back-EMF profile suited to low-torque-ripple operation. The stator carries winding code 144, which indicates the resistance and inductance values the drive must match for rated current and voltage. This combination supports stable electrical matching between the motor and its compatible control hardware.
The integrated holding brake supplies 2.2 Nm of static torque to secure vertical loads when the drive is de-energized. That brake helps keep an axis from drifting while power is off or motion is intentionally stopped. Thermal endurance is supported by insulation class 155 (F), allowing winding temperatures up to 155 °C during cyclic duty without degradation. The M1 encoder produces 128 discrete increments per revolution, giving drive controllers enough resolution for stable velocity regulation and position tracking. A shaft seal helps prevent vapor or dust ingress along the plain shaft and its DIN 332 DS threaded centering hole.
Frequently Asked Questions about MKE047B-144-CG1-BENN:
Q: What shaft design does the MKE047B-144-CG1-BENN motor have?
A: The MKE047B-144-CG1-BENN motor is equipped with a plain shaft featuring a frontal centering hole.
Q: What type of encoder is used on the MKE047B-144-CG1-BENN motor?
A: This model has an optical multiturn absolute Hiperface encoder with 128 increments.
Q: Where is the electrical connection positioned on the MKE047B-144-CG1-BENN motor?
A: The connection direction for this model is located on the B-side of the motor.
Q: Does the MKE047B-144-CG1-BENN have a holding brake and what is its torque?
A: A holding brake with a holding torque of 2.2 Nm is included on this motor.
Q: What housing standard does the MKE047B-144-CG1-BENN motor meet?
A: The housing of this motor complies with ATEX standards for use in potentially explosive areas.
