MKE118D-027-AG3-KUN Bosch Rexroth Indramat
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MPN: R911404188
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The Bosch Rexroth Indramat MKE118D-027-AG3-KUN is a servo motor designed for potentially explosive areas and is part of the MKE Synchronous Motors series. It features a plain shaft with a frontal centering hole, a terminal box connection at the top, and an optical singleturn Hiperface encoder with 128 increments. The motor offers a continuous torque at standstill of 48.0 Nm at 60K, a maximum torque of 187.0 Nm, and an IP65 protection rating.
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Product Description:
The MKE118D-027-AG3-KUN is a servo motor for potentially explosive areas produced by Bosch Rexroth Indramat as part of the MKE Synchronous Motors series. It delivers rotational power to pumps, mixers, and handling axes located in hazardous zones while maintaining compliance with UL/CSA construction rules. This configuration supports closed-loop motion tasks in areas where flammable vapors or combustible atmospheres are present. The motor’s housing is sealed against dust and water jets, and a factory-mounted holding brake keeps loads secure when power is removed.
At a 60 K winding temperature, the unit sustains 48.0 Nm of continuous torque while drawing 22.1 A of continuous current. Short-term overloads are handled by peaks of 187.0 Nm and 99.6 A RMS, enabling fast acceleration of connected inertia. The permitted speed ceiling is 3000 rpm, and the 027 winding uses 5.70 mH inductance and 0.350 Ω resistance to shape current dynamics. A torque constant of 2.52 Nm/A links commanded phase current to shaft output, while the 154.5 V/1000 rpm voltage constant sets the back EMF used for drive sizing. The rotor’s 0.03620 kg·m² moment of inertia moderates speed changes, a 20.2 nF discharge capacity supports EMC grounding, and an optical single-turn Hiperface encoder, model S1, provides 128 increments per revolution for closed velocity and position loops. The insulation system is class 155 (F), matching standard industrial winding temperatures.
A holding brake rated at 70 Nm engages automatically, and the plain shaft includes a centering hole plus a DIN 332 DS thread. Sealing is provided by a shaft lip, and the assembly is certified to IP65 against dust and water jets. Cabling enters from the top through a terminal box, which suits vertical installations, and operation is permitted from 0 to +40 °C ambient with acoustic emission of 61.1 ±3 dB(A). The motor weighs 65.0 kg without the brake and carries UL/CSA marking for North American hazardous-location service.
Frequently Asked Questions about MKE118D-027-AG3-KUN:
Q: Does the MKE118D-027-AG3-KUN motor come with a holding brake and what is its holding torque?
A: The MKE118D-027-AG3-KUN motor is equipped with a holding brake that delivers a brake torque of 70 Nm.
Q: What kind of shaft design does the MKE118D-027-AG3-KUN have?
A: This motor features a plain shaft with a frontal centering hole and a DIN 332 compliant 'DS' shaft thread.
Q: What is the maximum speed supported by the MKE118D-027-AG3-KUN motor?
A: The MKE118D-027-AG3-KUN supports a maximum velocity of 3000 min⁻¹.
Q: What type of encoder is used on the MKE118D-027-AG3-KUN and how many increments does it provide?
A: It operates with an optical encoder of Singleturn Hiperface type and provides 128 increments per revolution.
Q: What level of environmental protection does the MKE118D-027-AG3-KUN provide?
A: The MKE118D-027-AG3-KUN has an IP65 rating, ensuring protection against dust and water jets.
