MKE118D-012-BG0-KE4 Bosch Rexroth Indramat
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MPN: R911337264
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The Bosch Rexroth Indramat MKE118D-012-BG0-KE4 is a servo motor from the MKE Synchronous Motors series, designed for potentially explosive areas and weighing 65 kilograms. It features a continuous torque at standstill of 48 Nm and a maximum torque of 187 Nm, with a maximum current of 58.5 A. The motor complies with ATEX housing standards and has IP65 protection, along with a singleturn optical encoder with 2,048 increments.
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Product Description:
The MKE118D-012-BG0-KE4 is a servo motor produced by Bosch Rexroth Indramat within the MKE Synchronous Motors series. It is classified for service in potentially explosive areas, meeting ATEX housing standards while maintaining an IP65 enclosure that blocks dust and water jets. By pairing an optical single-turn EnDat 2.1 encoder with 2,048 increments, identified as model S2, the unit supplies absolute position data to the drive controller, allowing closed-loop speed and torque regulation in conveyors, mixers, and other automation tasks that must stay within a 0 to +40 °C ambient range.
The motor can hold a continuous shaft load of 48.0 Nm at standstill while drawing 13.0 A; these values apply at a 60 K winding temperature rise. When short bursts of motion are required, torque peaks to 187.0 Nm with an accompanying phase current of 58.5 A RMS, so the connected inverter must tolerate that surge without tripping. A top-mounted terminal box simplifies wiring because the power and feedback leads exit upward, and the entry glands accept 13.0 mm to 16.0 mm cables that preserve shielding and strain relief. During operation, the rotor can reach 2000 rpm, matching applications that need moderate speed with high torque density, and the plain shaft is precision-ground with a frontal centering hole to assist with coupling alignment.
Performance constants support predictable control. Every ampere produces 4.29 Nm/A of torque, and the back EMF constant is 263.5 V/1000 rpm, allowing the drive to estimate speed from voltage feedback. The rotor inertia of 0.03620 kg·m² balances rapid acceleration with load stability, while the total mass of 65.0 kg adds mechanical damping and heat dissipation in duty cycles without a holding brake. An F-class insulation system, 15 mH inductance, 0.98 Ω resistance, 20.2 nF discharge capacity, and a DIN 332 DS shaft thread further characterize the winding 012 variant. A shaft seal is fitted, sound pressure stays near 61 dB(A), and the top-entry terminal box completes the IP65 boundary without external purging.
