MKE118B-024-HP1-KUN Bosch Rexroth Indramat
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MPN: R911296748
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The Bosch Rexroth Indramat MKE118B-024-HP1-KUN is a servo motor for potentially explosive areas and is part of the MKE Synchronous Motors series. It features a continuous torque at standstill of 28 Nm, a maximum torque of 102 Nm, and a rated continuous current of 15.3 A. The motor includes a holding brake with a torque of 32 Nm, a keyway shaft design per DIN 6885, and a protection-certified housing that complies with UL/CSA standards.
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Product Description:
The MKE118B-024-HP1-KUN is a servo motor for potentially explosive areas built by Bosch Rexroth Indramat within the MKE Synchronous Motors series. Designed for zone-classified automation, it converts electrical power into controlled shaft torque for pumps, mixers, and handling axes where ignition sources must be minimized. This frame size 118 motor uses an integrated holding brake and a top-mounted terminal box, so cables can be routed upward inside armored conduit. It is intended for applications that require both controlled motion and protection in hazardous locations.
Under a 60 K temperature rise, the stator can supply a continuous torque of 28.0 Nm while the winding draws 15.3 A at standstill. The 024 winding combines 0.580 mH of inductance with 7.60 Ω of resistance, giving a torque constant of 2.12 Nm/A. These electrical values help the drive produce stable torque during startup and low-speed operation. When driven by a matched converter, the rotor can reach 4000 rpm, and transient load spikes are handled with a peak torque of 102.0 Nm before magnetic saturation. Operation is permitted in ambient temperatures from 0 °C to +40 °C, and Class 155 (F) insulation plus a discharge capacity of 10.3 nF help protect the coils against thermal and dielectric stress.
Dynamic motion can draw up to 69.1 A RMS, and the rotor inertia of 0.01940 kg·m² helps shorten acceleration times while limiting regenerative overvoltage. A 32 Nm holding brake secures vertical axes during power loss, and a shaft with a keyway machined to DIN 6885 transmits torque without slip. This arrangement supports positive mechanical coupling during repeated load changes. Electrical terminations are made in the top-mounted terminal box, and a shaft seal helps maintain the explosion-protected enclosure. Acoustic emission remains below the 61.1 dB[A] (±3) guideline. The motor has a back-EMF constant of 130.0 V/min⁻¹. Its mass is 45.0 kg, which affects mounting and support requirements.
Frequently Asked Questions about MKE118B-024-HP1-KUN:
Q: What is the ambient temperature range for the MKE118B-024-HP1-KUN motor?
A: The MKE118B-024-HP1-KUN operates at ambient temperatures from 0 to +40 °C.
Q: What is the maximum speed of the MKE118B-024-HP1-KUN servo motor?
A: This model provides a maximum velocity of 4000 min⁻¹.
Q: What is the holding brake torque of the MKE118B-024-HP1-KUN?
A: The holding brake torque on this motor is rated at 32 Nm.
Q: What shaft design features are present on the MKE118B-024-HP1-KUN?
A: A shaft with keyway according to DIN 6885 is included, along with a shaft seal.
Q: What is the continuous torque at standstill for the MKE118B-024-HP1-KUN at 60K?
A: The continuous torque at standstill (60K) for this model is 28.0 Nm.
