MKE037B-144-AP0-BUNN Bosch Rexroth Indramat
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MPN: R911401102
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The Bosch Rexroth Indramat MKE037B-144-AP0-BUNN is a servo motor from the MKE Synchronous Motors series, designed for use in potentially explosive areas. It features an optical singleturn Hiperface encoder model S1 with 128 increments, a shaft with a DIN 6885 keyway and seal, and an insulation class of 155 F. The motor has an IP65 rating, operates within an ambient temperature of 0 to 40°C, and complies with UL and CSA housing standards.
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Product Description:
The MKE037B-144-AP0-BUNN is a servo motor built by Bosch Rexroth Indramat within the MKE Synchronous Motors series. It is intended for drive tasks in potentially explosive industrial zones where precise torque and speed control are necessary. By converting electrical input from the associated drive into controlled rotary motion, the unit serves as an actuator for conveyors, mixers, or positioning stages that require certified equipment. Its operating role is to provide repeatable motion in automated systems where stable response and controlled acceleration are important for process accuracy.
The motor has an enclosure rated IP65, so dust ingress is prevented and water jets will not affect internal components. Safe operation is limited to an ambient range of 0 to +40 °C, which sets the temperature window for continuous duty without derating. Rotor position feedback is supplied by an optical single-turn Hiperface encoder, giving 128 increments that the drive uses for closed-loop commutation and velocity regulation. Power, signal, and protective earth conductors are routed through a terminal box, which supports hard-wired installation in hazardous areas. The power connection exits on side B of the housing, helping keep cabling clear of the driven load and simplifying routing where space around the shaft end is limited.
Thermal endurance is supported by Class 155 (F) insulation, so the winding system can tolerate elevated operating temperatures before insulation life is reduced. Compliance with UL/CSA construction standards allows the motor to be installed on North American equipment without additional field evaluation. Mechanical energy is transmitted through a shaft with keyway, machined to DIN 6885 tolerances for secure coupling of pulleys or gears, and a shaft seal helps block oil or dust migration along the journal. Because the unit is supplied without a holding brake, position retention during power-off states must be provided by drive torque or an external locking device. This arrangement is common on axes where stopping control is handled by the system and a separate brake is not required.
Frequently Asked Questions about MKE037B-144-AP0-BUNN:
Q: What is the allowable operating temperature range for the MKE037B-144-AP0-BUNN motor?
A: The MKE037B-144-AP0-BUNN servo motor operates in ambient temperatures from 0 to +40 °C.
Q: What type of encoder and feedback resolution does the MKE037B-144-AP0-BUNN provide?
A: This motor uses a singleturn Hiperface optical encoder with 128 increments for feedback.
Q: Does the MKE037B-144-AP0-BUNN motor include a holding brake?
A: The MKE037B-144-AP0-BUNN comes without a holding brake installed.
Q: What is the shaft design of the MKE037B-144-AP0-BUNN motor?
A: This model is equipped with a shaft featuring a DIN 6885 keyway and is sealed for protection.
Q: What level of protection does the IP65 rating provide on the MKE037B-144-AP0-BUNN?
A: The MKE037B-144-AP0-BUNN offers an IP65 rating for protection against dust and low pressure water jets.
