MKE047B-144-AP1-BENN Bosch Rexroth Indramat
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MPN: R911344952
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The Bosch Rexroth Indramat MKE047B-144-AP1-BENN is a servo motor from the MKE Synchronous Motors series designed for potentially explosive areas and complies with ATEX housing standards. This model features a shaft with a DIN 6885 keyway, four pole pairs, and an optical singleturn Hiperface encoder with 128 increments. It includes a holding brake with 2.2 Nm torque and uses a B-side terminal box connection type.
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Product Description:
The MKE047B-144-AP1-BENN is a servo motor built by Bosch Rexroth Indramat within the MKE Synchronous Motors series. Classified for potentially explosive areas, it drives rotary axes in chemical processing, paint booths, or similar hazardous zones where ignition sources must be minimized. By transforming controlled electrical power from a compatible drive, the unit delivers precise torque and speed so that automated machines can position loads accurately and maintain repeatable cycle times where safety requirements are strict. This makes the motor suitable for controlled motion tasks in hazardous locations where standard industrial motors may not be appropriate.
Connections are routed on the B-side of the housing and terminate in a terminal box, allowing rigid conduit entry for flameproof installations. The stator uses winding code 144 to match the voltage and current profile of MKE drives. Rotor position feedback comes from an optical S1 encoder that supplies 128 discrete increments per revolution; the data stream follows the single-turn Hiperface protocol so the drive can initialize absolute position at power-up without additional homing cycles. A built-in holding brake engages when power is removed and can resist up to 2.2 Nm of static load, helping prevent unintended shaft rotation during emergency stops or while the axis is at rest.
The motor housing meets ATEX requirements and carries an insulation system rated at 155 (F), permitting continuous operation with winding temperatures up to 155 °C. The rotor uses 4 pole pairs to create a balanced electromagnetic field, and its synchronous behavior remains tightly linked to drive frequency while supporting high torque density within the compact frame. Power is transmitted through a shaft with keyway that follows the DIN 6885 keyway standard, and a shaft seal is fitted to limit the ingress of dust or process vapors. These features support stable operation in areas where airborne contaminants and hazardous atmospheres can affect exposed rotating equipment.
Frequently Asked Questions about MKE047B-144-AP1-BENN:
Q: Does the MKE047B-144-AP1-BENN motor have a holding brake, and what is its torque?
A: The MKE047B-144-AP1-BENN motor includes a holding brake with a torque rating of 2.2 Nm.
Q: What type of encoder and resolution does the MKE047B-144-AP1-BENN include?
A: This model uses an optical singleturn Hiperface encoder type with 128 increments for position feedback.
Q: Where is the electrical connection point and what type of connection is used on the MKE047B-144-AP1-BENN?
A: The motor's electrical connections are made via a terminal box located on the B-side.
Q: Does the MKE047B-144-AP1-BENN meet any specific housing standards for hazardous environments?
A: The MKE047B-144-AP1-BENN complies with the ATEX housing standard, allowing usage in potentially explosive areas.
Q: What is the shaft design and detail on the MKE047B-144-AP1-BENN motor?
A: This motor features a shaft with a DIN 6885 keyway and is equipped with a shaft seal.
