MQP‑81D, 125 Hp, 3600 RPM, 460 V, 3 Ph, 60 Hz / 380‑415 V, 3 Ph, 50 Hz, TEFC, Frame 444TS

This general-purpose three-phase AC motor is engineered for dual-frequency and dual-voltage operation, offering inverter-duty capability with constant and variable torque ranges in a robust cast iron 444TS frame with totally enclosed fan-cooled construction.

KEY FEATURES

• Model: MQP‑81D

• Horsepower: 125 Hp (93.25 kW)

• Voltage: 460 V @ 60 Hz / 380‑415 V @ 50 Hz – 3 Phase

• Speed: 3580 RPM @ 60 Hz / 2980 RPM @ 50 Hz

• Frame: 444TS

• Mounting:  - D Flange : W 440TSDP

• Enclosure: TEFC (Totally Enclosed Fan Cooled)

• Service Factor: 1.15 @ 60 Hz / 1.00 @ 50 Hz

• Efficiency: 95.0% @ 60 Hz / 93.6% @ 50 Hz

• Power Factor: 0.92 @ 60 Hz / 0.920 @ 50 Hz

• Current (Full Load): 134 A @ 460 V @ 60 Hz / 150.2 A @ 415 V @ 50 Hz

• Duty: Continuous

• Insulation Class: F

• Design Code: B

• Mounting: Rigid (F1 standard, reversible to F2)

• Shaft Material: 1045 steel

• Bearings: Ball Bearings (6314 DE & ODE)

• Frame Material: Cast iron

• Rotation: Reversible

• Inverter Duty: Rated – 10:1 Constant Torque / 20:1 Variable Torque

• Number of Speeds: 1

• IP Code: IP55

• Certifications: CSAus, CE, Division 2 Class I Groups A, B, C, D; Class II Groups F & G; Temperature Code T2B

• Ambient Rating: 40 °C

• Weight: 1247 lbs

• Sound Pressure @ 3 ft: 92 dB

• Sound Power: 104 dB