MKE098B-047-AG1-BENN Bosch Rexroth Indramat
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MPN: R911324782
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The Bosch Rexroth Indramat MKE098B-047-AG1-BENN is a servo motor from the MKE Synchronous Motors series designed for potentially explosive areas. It features a continuous torque of 12.0 Nm at standstill, a maximum torque of 43.5 Nm, and uses an optical singleturn Hiperface encoder model S1 with 128 increments. The motor has an insulation class 155 (F), includes a holding brake with 11 Nm torque, and weighs 18 kilograms without the brake.
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Product Description:
The MKE098B-047-AG1-BENN belongs to the MKE Synchronous Motors series manufactured by Bosch Rexroth Indramat. It is a servo motor approved for potentially explosive areas, so it can drive positioning axes in chemical or paint plants where ignition sources must be controlled. A terminal box on the B-side routes power and feedback conductors, while a plain shaft with a DIN 332 DS thread and a frontal centering hole supports direct coupling. An optical single-turn Hiperface encoder with model S1 and 128 increments provides absolute position data to the drive controller.
With a 60 K winding rise, the unit delivers a continuous standstill torque of 12.0 Nm from a continuous standstill current of 9.8 A, which provides steady holding force for static loads. When rapid acceleration is required, peak torque reaches 43.5 Nm, and shaft speed can reach 4500 rpm. With a torque constant of 1.41 Nm/A, motor output can be estimated directly from commanded current. Insulation class 155 F supports high winding temperatures, and the ATEX-compliant housing helps isolate internal arcing from ambient gases. The 047 winding has an inductance of 1.20 mH and a resistance of 8.400 Ω at 20 °C, which are useful values for servo amplifier setup.
A holding brake rated at 11 Nm prevents shaft movement during power loss, and the design includes a shaft seal to reduce gas migration through the bearing seat. During dynamic events, the drive may draw up to 44.3 A RMS, which is important for inverter sizing and cable selection. Low reflected load inertia is supported by a rotor moment of inertia of 0.00430 kg·m², which helps fast loop response. Sound emission remains within 61.8 dB(A), so the motor can operate near personnel without exceeding typical industrial noise limits. With a weight of 18.0 kg, the motor remains manageable during installation, and operation is specified between 0 °C and +40 °C ambient. A discharge capacity of 6.7 nF helps bleed static charge from the frame to ground.
Frequently Asked Questions about MKE098B-047-AG1-BENN:
Q: What type of shaft does the MKE098B-047-AG1-BENN motor have?
A: The MKE098B-047-AG1-BENN features a plain shaft with a frontal centering hole and a DIN 332 compliant 'DS' thread.
Q: Does the MKE098B-047-AG1-BENN have a holding brake?
A: This model comes equipped with a holding brake that provides 11 Nm of holding torque.
Q: What type of encoder is built into the MKE098B-047-AG1-BENN?.
A: The MKE098B-047-AG1-BENN motor uses an optical singleturn Hiperface encoder with 128 increments.
Q: What is the continuous standstill torque of the MKE098B-047-AG1-BENN?
A: The continuous torque at standstill for this motor is rated at 12.0 Nm.
Q: What standard does the housing of the MKE098B-047-AG1-BENN comply with?
A: This motor complies with the ATEX housing standard for use in potentially explosive environments.
