Product Description:

The MKE118D-027-CG0-KUN is a servo motor engineered by Bosch Rexroth Indramat for the MKE Synchronous Motors series and classified as a motor for potentially explosive areas. Its task in automation systems is to supply closed-loop rotary motion where spark-free operation is mandatory. The unit comes without a holding brake, uses a plain shaft with a frontal centering hole, and meets UL/CSA housing standards for installation in North American hazardous zones.

With a 60 K winding rise, the motor delivers a continuous torque of 48.0 Nm while drawing 22.1 A. These values describe the load it can carry continuously. For transient events, current may reach 99.6 A and torque can surge to 187.0 Nm, letting the axis overcome inertia or process shocks. A top speed of 3000 rpm matches packaging, printing, and pump duties that rely on moderate but steady velocity. Internally, winding code 027 gives the motor a 5.70 mH inductance and 0.350 Ω resistance, while a 20.2 nF discharge capacity assists electromagnetic filtering. The rotor’s 0.03620 kg·m² moment of inertia supports stable acceleration characteristics, and insulation class 155 (F) supports operation in ambient temperatures from 0 to +40 °C.

An optical multi-turn Hiperface encoder with model M1 and 128 increments supplies absolute position feedback, and the torque constant is 2.52 Nm/A, giving the controller a linear current-to-torque ratio. Back EMF is rated at 154.5 V/min⁻¹, which the inverter must counter when operating near maximum speed. The cast housing is sealed to IP 65 and includes a shaft seal, so washdown or dust exposure will not affect the bearings. Power and signal leads exit through a terminal box on top of the frame, and a DIN 332 DS thread simplifies coupling to driven equipment. Operating noise is limited to 61.1 dB(A), and the motor weighs 65.0 kg.