MOT-FC-NT3-NCB-256T-4-6CL- 20-C3L-WEG Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MOT-FC-NT3-NCB-256T-4-6CL- 20-C3L-WEG is a three-phase AC squirrel cage motor in the MOT Low Voltage Induction Motors series. It has a 20 horsepower rating, a frame size of 256T, and a pole count of 4. This motor provides IE2 efficiency, operates in S1 mode, features IP55 protection, and PTC winding protection with a sensor response temperature of 150 °C.
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Product Description:
The MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG induction motor is manufactured by Bosch Rexroth Indramat and is part of the MOT Low Voltage Induction Motors series. It is a three-phase squirrel-cage machine intended for industrial automation tasks such as driving fans, pumps, and conveyors where steady mechanical power is required. In integrated production cells, the motor pairs with inverters that adjust speed while the motor itself supplies the rotational energy that moves material or fluid through the process. This arrangement supports applications that need dependable continuous rotation instead of highly dynamic servo-style positioning.
The motor delivers a rated shaft output of 20 hp, which is suitable for medium-frame material-handling stations. Its electromagnetic design uses 4 poles, giving a nominal synchronous speed near 1,800 rpm on 60 Hz supplies and balancing starting torque with running efficiency. Frame code 256T sets the foot-mount dimensions and shaft height, allowing straightforward installation in NEMA-conforming layouts. Energy performance is classified as IE2, which helps limit heat rise during general-purpose operation. External sealing reaches IP55, and the housing resists dust ingress and water jets so the motor can be installed on the factory floor without extra protective covers.
Continuous-duty capability is indicated by operating mode S1, meaning the winding temperature can stabilize at full load without scheduled cooldown periods. Thermal supervision is handled by a PTC sensor type SNM.150.DK, and it responds at 150 °C so the drive can shut the motor down before insulation is overstressed. The winding protection method relies on this thermistor alone, which keeps the temperature-monitoring arrangement simple and direct. The unit can be mounted up to 1000 m above sea level without output derating, allowing standard installation at typical industrial altitudes.
Frequently Asked Questions about MOT-FC-NT3-NCB-256T-4-6CL- 20-C3L-WEG:
Q: What is the rated power output of the MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG motor?
A: The MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG motor is rated at 20 horsepower.
Q: What efficiency class does the MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG motor meet?
A: This motor is classified under the IE2 efficiency class for energy performance.
Q: Where is the terminal box located on the MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG motor?
A: The terminal box for this motor is positioned above the main body for cable connections.
Q: What kind of PTC sensor is used in the MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG motor?
A: The PTC sensor type installed is SNM.150.DK with a response temperature of 150 °C.
Q: What level of environmental protection does the MOT-FC-NT3-NCB-256T-4-6CL-20-C3L-WEG motor provide?
A: The motor has an IP55 protection class, offering dust protection and resistance to water jets.
