MKE118D-027-HP3-KUN Bosch Rexroth Indramat
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MPN: R911296745
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The Bosch Rexroth Indramat MKE118D-027-HP3-KUN is a servo motor from the MKE Synchronous Motors series designed for potentially explosive areas. It features a continuous torque at standstill of 48.0 Nm and a maximum torque of 187.0 Nm, with a shaft that includes a DIN 6885 keyway. The motor has an IP65 rating, UL/CSA compliant housing, operates at a maximum velocity of 3000 revolutions per minute, and weighs 65 kilograms without the brake.
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Product Description:
The MKE118D-027-HP3-KUN is a three-phase synchronous servo motor designed by Bosch Rexroth Indramat for the MKE Synchronous Motors series. It is intended for use in potentially explosive areas, where closed-loop rotary motion is required and ignition risks must be controlled. The synchronous design supports accurate speed and position regulation on machine axes that must respond predictably to drive commands. The motor weighs 65.0 kg without its brake and conforms to UL/CSA housing standards for use in North American machinery. A shaft with a DIN 6885 keyway couples the rotor to the driven load, and an integrated shaft seal helps limit contaminant ingress. Its sound level is 61.1 dB(A).
The motor is thermally rated for an ambient range of 0 to +40 °C and uses top-mounted terminations in a terminal box to simplify cable routing in vertical cabinets. During continuous operation at a 60 K winding temperature rise, it delivers 48.0 Nm of torque while drawing 22.1 A. These values come from winding code 027, and the winding resistance of 0.350 Ω together with an inductance of 5.70 mH influence current response and drive matching. The torque constant at 20 °C is 2.52 Nm/A, so motor torque rises in direct proportion to phase current. With a voltage constant of 154.5 V per 1000 rpm, the motor can run up to 3000 rpm before the available control voltage becomes a limiting factor. The housing has an ingress protection rating of IP 65, which helps keep out dust and water jets.
For intermittent peaks, the rotor can generate 187.0 Nm and accept a phase current of 99.6 A RMS, enabling rapid acceleration of heavy loads. The integrated holding brake provides 70 Nm of static torque to hold the axis when power is removed. Dynamic behavior is influenced by the rotor moment of inertia of 0.03620 kg·m², which helps balance acceleration and load stability on larger axes. The motor also has a discharge capacity of 20.2 nF and insulation class 155 F for winding temperatures up to 155 °C. These electrical limits should be matched to the connected servo drive and the operating conditions of the machine.
Frequently Asked Questions about MKE118D-027-HP3-KUN:
Q: What type and strength of holding brake does the MKE118D-027-HP3-KUN motor include?
A: The MKE118D-027-HP3-KUN is equipped with a holding brake that provides a holding torque of 70 Nm.
Q: What is the IP rating of the MKE118D-027-HP3-KUN, and what does it protect against?
A: This motor has an IP65 rating, ensuring complete protection against dust and low-pressure water jets.
Q: What is the maximum operating speed of the MKE118D-027-HP3-KUN servo motor?
A: The maximum velocity of the MKE118D-027-HP3-KUN is 3000 min⁻¹, which enables high-speed operation.
Q: What is the shaft detail and sealing arrangement on the MKE118D-027-HP3-KUN motor?
A: A shaft with a DIN 6885 keyway and a shaft seal is featured on this motor for secure attachment and protection against contamination.
Q: What is the peak torque capability of the MKE118D-027-HP3-KUN servo motor?
A: The maximum torque produced by the MKE118D-027-HP3-KUN is 187.0 Nm.
