RM3112A 3/4 HP Single Electric Motor 230/460 VAC 3-Phase 60 Hz, 56H Frame, 1725 RPM, 1.25 Service Factor, Open ODP Enclosure, NEMA Design B, Class B Insulation, 6203 sealed ball bearings, 74% efficiency, F1 mount

Single 3/4 HP 230/460V 3-Phase 56H 1725 RPM
✔️ 230/460 VAC, 60 Hz, 3/1.5 FLA, 1.25 SF, ODP, 74% efficiency

This is a single unit industrial electric motor for general machinery use, ideal for pumps, fans, conveyors and HVAC equipment. It ships fast from an authorized stocking distributor and fits standard F1 mount bases.

✅ Model: RM3112A catalog reference and spec numbers
✅ Power: 3/4 horsepower, 60 Hz, 3-phase operation
✅ Voltage: 230/460 VAC, usable at 208V (3.6A)
✅ Full load amps: 3/1.5; service factor 1.25
✅ Speed: 1725 RPM (synchronous type 60 Hz) with NEMA Design B
✅ Frame & mounting: 56H frame, RS base, F1 mounting
✅ Bearings: 6203 sealed ball bearings on DE and ODE for long life
✅ Enclosure & protection: Open drip proof (ODP), Insulation Class B
✅ Efficiency & power factor: 74% efficiency, PF 60; locked rotor code K

💡 What is a 3 phase 3/4 HP motor typically used for?

These motors are handy workhorses for light to medium industrial tasks. A short intro sentence follows, then key application notes:

- Commonly used to drive pumps, blower fans, small compressors and conveyor sections in factories and shops - Fits applications needing sealed ball bearing reliability and NEMA Design B performance - Works well in HVAC, material handling and machine tool setups where a compact 56H frame is required - Easy to mount on F1 bases and replace similar 3/4 HP 3-phase units for maintenance or upgrades