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Baldor Electric 2 HP three-phase motor steel frame 56 totally enclosed fan cooled rigid base

Baldor Electric

Baldor Electric GP Machinery Motor 2 HP 3490 RPM 208-230/460V 56 EM3555

SKU CH-ZJVV-ANJ76

General-purpose three-phase motor delivering 2 HP at 3490 RPM with 85.5 percent efficiency, 1.15 service factor, and 208-230/460 V operation in a TEFC steel frame 56 enclosure

  • 2 HP three-phase power for industrial machinery
  • 3490 RPM high-speed operation for demanding applications
  • 208-230/460V dual-voltage flexibility for varied power supplies
  • 5% nominal efficiency reduces energy consumption
  • Steel frame with ball bearings ensures durable continuous duty

Purpose-built motor for continuous industrial duty

This Baldor Electric general-purpose motor delivers 2 HP at 3490 RPM from a NEMA 56 frame. It operates on three-phase power at 208-230/460V AC and 60 Hz. The totally enclosed fan-cooled steel housing suits machine-shop equipment that runs for full shifts.

Sustained-load behaviour and thermal limits

Continuous-duty rating and 1.15 service factor let the motor handle prolonged operation without overload trips. Nominal efficiency reaches 85.5 percent at full load of 5 amps on low voltage or 2.5 amps on high voltage. Class F insulation and 40 °C maximum ambient temperature define the thermal envelope for steady-state running.

Installation practicalities and common issues

Rigid base mounting aligns with standard NEMA 56 footprints for direct replacement. Dual-voltage wiring (208-230V or 460V) requires correct lead configuration before energising. Shaft rotates CW or CCW so verify direction matches the driven load. No built-in thermal protection means external overload relays must be supplied by the installer.

Highlights

  • 2 HP three-phase power for industrial machinery
  • 3490 RPM high-speed operation for demanding applications
  • 208-230/460V dual-voltage flexibility for varied power supplies
  • 5% nominal efficiency reduces energy consumption
  • Steel frame with ball bearings ensures durable continuous duty

Specifications

BrandBaldor Electric

Questions about this item

How much power does the 2 HP motor draw at full load on 460 V?

The motor draws 2.5 A at 460 V three-phase under full load, giving a continuous input of roughly 2 kW.

What supply and mounting must be in place before installing this frame 56 motor?

A three-phase 208-230/460 V 60 Hz source and a rigid base for the steel frame 56 footprint are required.

Will the 1.15 service factor let this motor replace an older unit rated for 1.0 SF on the same load?

Yes, the 1.15 service factor provides 15 % extra capacity, so it can handle the same continuous load with lower thermal stress.

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