MKE118D-012-BP0-KE4 Bosch Rexroth Indramat
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MPN: R911335286
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The Bosch Rexroth Indramat MKE118D-012-BP0-KE4 is a servo motor for potentially explosive areas, part of the MKE Synchronous Motors series. This unit provides a continuous torque of 48.0 Nm at standstill and a maximum torque of 187.0 Nm, with a weight of 65.0 kilograms. It features an IP65 rating, ATEX compliant housing, and an optical single-turn EnDat2.1 encoder with 2,048 increments.
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Product Description:
The MKE118D-012-BP0-KE4 is a synchronous servo motor produced by Bosch Rexroth Indramat for the MKE Synchronous Motors series. It is built for motion tasks in potentially explosive environments and uses an ATEX-compliant housing that shields internal components from ignition sources. A terminal box connection positioned on top of the frame simplifies conduit routing, while the keyed shaft allows direct coupling to gearboxes or driven machinery. In automated plants, the motor converts regulated drive current into controlled rotary motion for positioning or speed-controlled axes.
At a winding temperature rise of 60 K, the motor can deliver a continuous standstill torque of 48.0 Nm with a continuous current draw of 13.0 A. This rating indicates the load the axis can hold indefinitely without overheating. The optical single-turn EnDat 2.1 encoder offers 2,048 increments, providing absolute rotor position for closed-loop control. With insulation class 155 F and an IP65 enclosure, the windings tolerate elevated internal temperatures and the frame resists dust and water jets often present in washdown areas. A torque constant of 4.29 Nm/A links commanded phase current to output torque, enabling predictable torque production through the drive amplifier. Additional electrical values include a 0.98 Ω cold winding resistance and 15.000 mH inductance, which affect current rise time and power dissipation.
For rapid acceleration, the motor accepts a maximum RMS current of 58.5 A and can reach a peak torque of 187.0 Nm. Mechanical output extends to a top speed of 2000 rpm, which keeps peripheral equipment within common gearbox limits. Dynamic response benefits from a rotor inertia of 0.03620 kg·m², helping reduce overshoot during quick setpoint changes. The frame mass of 65.0 kg helps spread heat and also requires a sturdy mounting structure. The motor has no integrated holding brake, so position retention during power-off must be handled externally, while the shaft seal and 20.2 nF discharge capacity support reliable operation in oil-mist or static-prone areas.
