MKE118D-027-DG0-KE4 Bosch Rexroth Indramat
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MPN: R911316196
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The Bosch Rexroth Indramat MKE118D-027-DG0-KE4 is part of the MKE Synchronous Motors series and is designed as a servo motor for potentially explosive areas, complying with ATEX standards. This motor delivers a continuous torque of 48.0 Nm at standstill, achieves a maximum torque of 187.0 Nm, and supports a maximum velocity of 3000 RPM. It features an IP65 protection rating, a weight of 65 kg without brake, and uses an optical multiturn absolute encoder with 2,048 increments.
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Product Description:
The Bosch Rexroth Indramat MKE118D-027-DG0-KE4 is part of the MKE Synchronous Motors series and is a servo motor intended for potentially explosive areas. Its ATEX-compliant housing, smooth shaft, and top-mounted terminal box support use in zone-classified automation, and the motor is supplied without a holding brake. Within a drive system, it generates controlled rotary motion, and its optical multi-turn encoder returns absolute position data to the controller for closed-loop regulation. Because the feedback is absolute over multiple revolutions, the drive can retain position information without relying only on incremental pulse counting.
At standstill and with a 60 K temperature rise, the motor delivers 48.0 Nm of continuous torque while drawing 22.1 A. A peak current of 99.6 A is permitted for acceleration, and the speed can reach 3000 rpm. This higher current is intended for short dynamic demand rather than continuous operation. The housing is sealed to IP 65, and the motor can operate from 0 to +40 °C in classified zones. Power and feedback cables enter through 13.0 to 16.0 mm glands at the terminal box, and a discharge capacity of 20.2 nF helps with EMC control. The M2 optical encoder provides 2,048 increments of multi-turn EnDat 2.1 feedback, while winding code 027 corresponds to 5.70 mH inductance and 0.350 Ω resistance. Rotor inertia is 0.03620 kg·m², and the motor also has a shaft seal, a DIN 332 DS thread, a frontal centering hole, Class F insulation, and a sound pressure level of 61.1 dB[A].
During transient loading, the shaft can deliver 187.0 Nm. The torque constant of 2.52 Nm/A links current command to torque output. The back-EMF constant of 154.5 V/min⁻¹ is relevant to DC-bus sizing during drive selection. The motor weighs 65.0 kg, so the mounting structure must support both static mass and dynamic loads during acceleration, deceleration, and continuous operation.
