MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG is part of the MOT Low Voltage Induction Motors series and follows the NEMA MG1 standard. It is a three-phase squirrel cage motor made with a gray cast iron housing and has inverter duty capability. This motor features IP55 degree of protection and operates with PTC winding protection at an installation height of 1000 meters.
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Product Description:
The MOT-FC-NT3-FCB-256T-4-6CL-20-C3L-WEG induction motor belongs to the MOT Low Voltage Induction Motors series from Bosch Rexroth Indramat. This NEMA-frame unit is designed as a driving element for automated machinery, where consistent torque and speed regulation are required through variable-frequency drives. Used in conveyor lines, compressors, or process pumps, the motor converts electrical energy into mechanical rotation while following mounting and footprint practices common in North American industrial installations. Its operating role makes it suitable for equipment that must run continuously and respond predictably to changing load demands.
Its enclosure is rated at IP55, indicating protection against dust ingress and resistance to water jets during normal plant cleaning. The duty classification is Inverter Duty, meaning the insulation system can handle the steep voltage waveforms produced by modern PWM drives without premature aging. A housing made of Gray Cast Iron adds mass for vibration damping and helps maintain dimensional stability when the motor is secured to rigid machine bases. The mechanical layout follows the NEMA dimensional code, so the motor fits standard mounting patterns used across North American equipment. Operation remains within thermal limits up to an installation height of 1000 m, where lower air density can reduce natural heat transfer.
Electrical design compliance with NEMA MG1 keeps temperature rise, vibration behavior, and efficiency expectations aligned with common industrial motor requirements. The rotor uses a Three-Phase Squirrel Cage design, which supports reliable starting characteristics, balanced phase currents, and low routine service needs. Power connections terminate in a terminal box installed on the Left, which can simplify conduit routing in crowded enclosures or along machine frames. The stator is wound for Low Voltage supply classes commonly paired with 460 V variable-frequency drives. Its coils also include embedded PTC sensors that allow the inverter to shut the motor down before winding temperatures exceed acceptable limits.
Frequently Asked Questions about MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG:
Q: What level of protection does the MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG motor have against dust and water?
A: This model is rated IP55, providing limited dust ingress protection and resistance to water jets.
Q: What is the duty type of the MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG motor?
A: The MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG is designed for inverter duty applications.
Q: What material is used for the housing of the MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG motor?
A: Gray cast iron is used for the housing construction of this model.
Q: What is the maximum installation height for the MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG motor?
A: This low voltage induction motor supports an installation height up to 1000 meters.
Q: How is winding protection achieved in the MOT-FC-NT3-FCB-256T-4-6CL- 20-C3L-WEG motor?
A: The winding protection for this motor is provided by PTC sensors.
