MKE118D-027-NG0-KE4 Bosch Rexroth Indramat
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MPN: R911309917
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The Bosch Rexroth Indramat MKE118D-027-NG0-KE4 is a servo motor for potentially explosive areas and is part of the MKE Synchronous Motors series. The motor has a continuous current at standstill of 22.1 Amps and a continuous torque of 48.0 Nm, with a maximum torque of 187.0 Nm and a peak current of 99.6 Amps. It complies with ATEX housing standards, has an IP65 rating, features a plain shaft with a DIN 332 'DS' thread, and weighs 65 kg.
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Product Description:
The MKE118D-027-NG0-KE4 is a servo motor manufactured by Bosch Rexroth Indramat and supplied within the MKE Synchronous Motors series. Classified as a servo motor for potentially explosive areas, it is intended to drive machinery that must meet explosion-protection requirements in industrial automation zones. By translating regulated electrical power into controlled rotary motion, the unit provides closed-loop positioning or velocity control for conveyors, mixers, and comparable equipment. When paired with a compatible drive, it can maintain stable torque response during positioning moves and speed changes.
Its electromagnetic output is anchored by a continuous standstill torque of 48.0 Nm, produced while the windings draw a steady 22.1 A at a 60 K temperature rise. The 027 winding has a resistance of 0.350 Ω and an inductance of 5.70 mH, and each ampere delivered yields 2.52 Nm/A. During acceleration, the rotor, whose inertia is 0.03620 kg·m², can accept up to 99.6 A of RMS current to reach a maximum speed of 3000 rpm. Under those conditions, the shaft develops a peak torque of 187.0 Nm for start-ups or load changes. A discharge capacity of 20.2 nF is included to limit common-mode voltages between the stator and frame.
Installation features support use in explosive atmospheres. The housing meets ATEX requirements and carries an IP65 rating, so dust and water jets do not impair operation within the 0 to 40 °C ambient range. Power conductors enter a terminal box on the top of the motor, and the allowable cable diameter is 13.0 to 16.0 mm. The terminal-box layout keeps the power connection enclosed and suited to fixed industrial wiring. The plain shaft has a frontal centering hole, a DIN 332 DS thread, and a shaft seal, yet the unit is supplied without a holding brake. Insulation class 155 F supports thermal endurance, acoustic emissions are 61.1 dB(A), and a back EMF constant of 154.5 V/min⁻¹ matches common drives. The 65 kg mass also helps damp vibration during service.
