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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.

How it compares

Measured against everything we stock in Industrial Motors & Machine Parts, at today’s prices. Recalculated every night.

Price $312.99
Pricier than about 69% of the 397 comparable items (median $91.99).

Specifications

Product
Brand nameDAYTON

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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