MKE118B-058-NP0-KE4 Bosch Rexroth Indramat
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MPN: R911313011
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The Bosch Rexroth Indramat MKE118B-058-NP0-KE4 is a servo motor for potentially explosive areas and is part of the MKE Synchronous Motors series. It features a maximum velocity of 4500 rpm and a maximum torque of 102.0 Nm. The motor has a continuous current at standstill of 28.4 Amps and complies with the ATEX housing standard.
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Product Description:
The MKE118B-058-NP0-KE4 is a three-phase synchronous servo motor manufactured by Bosch Rexroth Indramat for the MKE Synchronous Motors series. Classified as a servo motor for use in potentially explosive areas, it has an ATEX-compliant housing for installation on zone-rated machinery. Within an automation cell, the unit supplies rotational power regulated by a drive controller, allowing torque and speed control on conveyors, mixers, or positioning axes. Its terminal-box construction places all power and feedback leads in a single enclosure at the top of the frame, which helps keep cable routing compact inside enclosed cabinets.
At 60 K winding temperature, the motor delivers a continuous output torque of 28.0 Nm, sustained by a continuous standstill current of 28.4 A. When short bursts are needed, the controller may command up to 102.0 Nm while the stator carries a peak current of 127.6 A. The rotor has a mechanical speed limit of 4500 rpm, so the application must remain below that value during operation. These values correspond to the 058 winding code, a phase inductance of 0.170 mH, and a discharge capacitance of 10.3 nF that affects dV/dt behavior. This current and torque range supports both continuous load handling and brief acceleration demand without changing the motor frame.
Dynamic response is influenced by a rotor inertia of 0.01940 kg·m², allowing quick acceleration when combined with a torque constant of 1.15 Nm/A at 20 °C. The motor has a phase resistance of 2.20 Ω, and its total mass of 45.0 kg adds thermal stability during longer duty cycles. Operation is permitted from 0 °C to +40 °C ambient, and the housing includes a shaft seal, a shaft with a DIN 6885 keyway, and a top-mounted terminal box with 13–16 mm cable entries. The resistance and inertia values influence current response and acceleration behavior during closed-loop operation. The motor is supplied without a holding brake, produces 61.1 dB[A] ±3 during nominal running, and meets ATEX requirements for use in explosive gas zones.
Frequently Asked Questions about MKE118B-058-NP0-KE4:
Q: What is the maximum torque output of the MKE118B-058-NP0-KE4 servo motor?
A: The MKE118B-058-NP0-KE4 provides a maximum torque of 102.0 Nm, accommodating demanding mechanical loads.
Q: What is the continuous current at standstill for the MKE118B-058-NP0-KE4 motor?
A: This model operates with a continuous current of 28.4 A at standstill (60K), ensuring consistent performance under load.
Q: Does the MKE118B-058-NP0-KE4 comply with any specific housing safety standards?
A: The MKE118B-058-NP0-KE4 meets the ATEX housing standard, allowing safe use in potentially explosive environments.
Q: Is a holding brake included with the Bosch Rexroth Indramat MKE118B-058-NP0-KE4 motor?
A: This motor is manufactured without a holding brake as a standard feature.
Q: What type of shaft configuration is used on the MKE118B-058-NP0-KE4?
A: The shaft features a keyway with DIN 6885 compliance and an integrated shaft seal for added reliability.
