MAF225C-0050-FQ-C0-EH0-35-N1 Bosch Rexroth Indramat
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MPN: R911405532
The Bosch Rexroth Indramat MAF225C-0050-FQ-C0-EH0-35-N1 liquid-cooled asynchronous motor is part of the MAF IndraDyn Asynchronous Motors series. It features flange and foot mounting, a frame size of 225, and operates at a rated speed of 500 rotations per minute. The motor has an IP65 protection class, insulation class F, and uses a 2048 increment incremental encoder with a 5 V supply voltage.
Internal Product Review
The MAF225C-0050-FQ-C0-EH0-35-N1 is a liquid-cooled asynchronous housing motor rated for 500 rpm, well suited for controlled industrial drive applications. An incremental encoder with 2048 increments supports accurate speed feedback and stable machine integration. Flange and foot mounting combined with IP65 protection makes the motor a strong choice for demanding installations.
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Product Description:
The MAF225C-0050-FQ-C0-EH0-35-N1 is a liquid-cooled asynchronous housing motor produced by Bosch Rexroth Indramat within the MAF IndraDyn Asynchronous Motors series. It is engineered for constant-torque drive duties in machine tools and test rigs where heat is extracted directly from the stator jacket instead of being carried away by external airflow. The asynchronous design is appropriate for heavy rotating loads that need steady torque over long duty cycles. This housing-cooled arrangement suits installations where surrounding air movement is limited or where airborne contamination makes fan-based cooling less desirable. Its plain shaft allows direct coupling to gear reducers or process equipment, and the shaft does not use a sealing ring.
This motor reaches a rated speed of 500 rpm, so gear ratios can remain low while delivering high continuous torque. Heat is removed through liquid cooling; a closed coolant loop threads into the stator through a 1/2 inch connection, keeping winding temperature below the Class F limit. Because cooling is carried through the jacket, the motor can dissipate losses without adding a separate blower assembly. An IP65 housing prevents dust ingress and protects internal components against low-pressure water jets. The motor uses flange and foot mounting, permitting either base or face installation without additional brackets. The power leads enter from the A-side through a rotatable terminal box, allowing the conduit entry to be positioned for a shorter and cleaner cable route inside a cabinet.
An incremental encoder with a resolution of 2048 increments supplies speed feedback, and its supply rail is 5 V, matching standard drive controller ports. This feedback arrangement supports stable speed regulation at low operating speeds, where constant-torque applications often need accurate shaft information. The motor ships without a holding brake, so holding torque must be provided by the drive or by external mechanics when the shaft must remain fixed at standstill. Operation is permitted at ambient temperatures from 0 to 40 °C. The vibration grade is A per DIN EN 60034-14, and the bearing arrangement uses standard deep-groove bearings to meet that limit during continuous operation.
