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Dayton 48ZJ90 three-phase motor, 56H frame, grey metal enclosure with cooling fan

Dayton

Dayton 48ZJ90 3-Phase Motor 2 HP 56H Frame 208-230/460V AC

SKU CH-62XA-1HJ4F

Three-phase general-purpose motor delivers 2 HP at 1,750 RPM with dual-voltage 208-230/460V AC operation in a 56H frame

  • Delivers 2 HP for demanding industrial tasks
  • Dual-voltage 208-230/460 V AC fits varied power supplies
  • 25 service factor handles sustained overloads reliably
  • Totally enclosed fan-cooled design protects internals in harsh environments
  • Inverter rated for flexible speed control applications

Dayton 48ZJ90 2 HP 3-Phase Motor

The Dayton 48ZJ90 is a 2 horsepower three-phase general purpose motor built for continuous industrial duty. It suits machine-shop equipment, pumps, compressors and conveyors that need reliable torque at 1,750 RPM.

56H Frame 208-230/460V Capacity

Dual-voltage windings accept 208-230 or 460 volts AC at 60 or 50 Hz, drawing 5.7 or 2.8 full-load amps respectively. The 1.25 service factor provides headroom for intermittent overloads, while the 40 °C ambient limit and Class F insulation define the thermal boundary where continuous rating ends.

Inverter-Rated Rigid-Base Upgrade

This motor replaces fixed-speed units when variable-frequency-drive control is required, thanks to its inverter-rated design. The keyed shaft and rigid base simplify mounting on existing 56H frames, and reversible CW/CCW rotation covers both drive directions. It is not for applications needing built-in thermal protection or hazardous-location certification.

Highlights

  • Delivers 2 HP for demanding industrial tasks
  • Dual-voltage 208-230/460 V AC fits varied power supplies
  • 25 service factor handles sustained overloads reliably
  • Totally enclosed fan-cooled design protects internals in harsh environments
  • Inverter rated for flexible speed control applications

Specifications

BrandDAYTON

Questions about this item

Will the 56H frame and rigid base mounting match the bolt pattern on my existing pump?

The motor uses a NEMA 56H frame with a rigid base, so it shares the standard bolt pattern used on most 56H equipment.

How can I confirm the motor is running correctly after wiring it for 230 V?

Measure the current draw at full load; it should read near 5.7 A on the 230 V connection and the shaft should turn at the nameplate speed of 1,750 RPM.

Does the box include a key for the keyed shaft or do I need to supply one?

The keyed shaft is machined on the motor; a separate key is not included and must be purchased to fit your coupling or pulley.

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