MKE047B-144-AP0-BENN Bosch Rexroth Indramat
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MPN: R911321710
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The Bosch Rexroth Indramat MKE047B-144-AP0-BENN is part of the MKE Synchronous Motors series and is designed as a servo motor for potentially explosive areas. It features a B-side terminal box connection, ATEX-compliant housing, and a shaft with DIN 6885 keyway and shaft seal. This motor has four pole pairs, an optical singleturn Hiperface encoder with 128 increments, and insulation class 155 (F).
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Product Description:
The MKE047B-144-AP0-BENN is a servo motor produced by Bosch Rexroth Indramat within the MKE Synchronous Motors series. Designed for potentially explosive areas, it drives pumps, mixers, and indexing tables where gas or vapor hazards exist and speed accuracy is mandatory. An ATEX-compliant enclosure, reinforced insulation, and integrated feedback allow the unit to pair directly with certified drive controllers so that motion can be controlled in tightly regulated velocity, position, and torque loops even under harsh ambient conditions.
The electrical package is centered on winding code 144, which sets the conductor cross-section, turn count, and thermal loading for this frame. An insulation system rated 155 (F) permits continuous copper temperatures up to 155 °C without dielectric breakdown, enabling extended duty cycles. The rotor carries 4 pole pairs, producing synchronous torque at moderate switching frequency and simplifying filter design. Position feedback is delivered by a single-turn Hiperface optical encoder of model S1 that offers high noise immunity; its 128 usable increments per revolution are interpolated by the drive to generate finer virtual counts for smooth low-speed movement and rapid closed-loop correction.
All connections are routed on the B-side, where a cast-on terminal box provides generous space for Ex-rated glands, shielding, and daisy-chain jumpers to adjacent equipment. A shaft seal is fitted to limit lubricant migration along the journal and to keep process dust from entering the bearing set. The output shaft is machined with a DIN 6885 keyway, ensuring slip-free torque transfer into couplings and sprockets. Because the unit is supplied without a holding brake, machines that require static parking torque must rely on external clamping cylinders or drive-based motor-holding current.
