MQR‑344CH, 0.75 Hp, 1740 RPM @ 60 Hz / 1440 RPM @ 50 Hz, 230/460 V @ 60 Hz / 190/380 V @ 50 Hz, TEFC, Frame 56HC

This three‑phase general‑purpose AC motor is designed for dual‑frequency and dual‑voltage operation in a compact 56HC frame with totally enclosed fan‑cooled construction.

KEY FEATURES

• Model: MQR‑344CH

• Product Type: Electric Motors

• Horsepower: 0.75 Hp (0.56 kW)

• Voltage: 230/460 V @ 60 Hz / 190/380 V @ 50 Hz – 3 Phase

• Speed: 1740 RPM @ 60 Hz / 1440 RPM @ 50 Hz

• Frame: 56HC

• Enclosure: TEFC (Totally Enclosed Fan Cooled)

• Service Factor: 1.15

• Efficiency: 80.7% @ 60 Hz / 77.0% @ 50 Hz

• Power Factor: 0.73 @ 60 Hz / 0.69 @ 50 Hz

• Current (Full Load Amps): 2.34 A @ 230 V / 1.18 A @ 460 V @ 60 Hz; 2.6 A @ 190 V / 1.3 A @ 380 V @ 50 Hz

• Duty: Continuous

• Insulation Class: F

• Design Code: B – KVA Code L

• Frame Material: Rolled Steel

• Bearings: Ball Bearings (DE: 6205, ODE: 6203)

• Rotation: Reversible

• Inverter Duty: Meets MG1 parts 31.4.4.2 – 10:1 Constant Torque / ~20:1 Variable Torque

• IP Code: IP55

• Certifications: NEMA MG1, IEEE, IEC, DOE registered, NRCan, CSAus, CSA, CE, RoHS

• Ambient Rating: 40 °C

• Mounting: Removable base (configurable)

• Special Feature: Dual‑voltage, dual‑frequency inverter‑duty motor with removable base

The motor’s flexible voltage and frequency compatibility and inverter‑duty capability make it suitable for diverse power environments, while the TEFC design ensures protection against dust and debris.