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Dayton split-phase motor open drip-proof steel frame

Dayton

Dayton 5K281 GP Motor Split Phase 1/3 HP 1725 rpm 56Z

SKU CH-H1AG-0RZQN

Split-phase motor delivers 1/3 HP at 1,725 rpm on 115 V AC for continuous duty

  • 1/3 HP split-phase motor drives HVAC equipment reliably
  • 1,725 RPM single-speed operation matches fan and blower requirements
  • 115 V AC, 60 Hz supply fits standard residential wiring
  • Open drip-proof steel frame resists moisture and debris
  • 56Z frame with flat shaft and rigid base simplifies mounting

General-purpose split-phase motor

The Dayton 5K281 is a single-phase, split-phase AC motor rated at 1/3 horsepower with a nameplate speed of 1,725 rpm. It operates on 115 V AC at 60 Hz and draws 7.0 A at full load. The 56Z frame uses a rigid base mount and a flat shaft design for direct coupling in HVAC and light-industrial equipment.

Thermal and electrical characteristics

Continuous duty is supported up to a maximum ambient temperature of 40 °C with a service factor of 1.35. The open drip-proof enclosure allows airflow through the steel frame while protecting internal windings from falling moisture. Insulation class B and the absence of built-in thermal protection mean external overload safeguards should be provided by the installer.

Included hardware and mounting

The motor ships as a bare unit with a rigid steel base ready for bolt-down installation. Clockwise or counter-clockwise rotation is selectable during wiring, so no additional accessories are required to change direction. No software, controllers or mounting brackets are bundled with the motor.

Highlights

  • 1/3 HP split-phase motor drives HVAC equipment reliably
  • 1,725 RPM single-speed operation matches fan and blower requirements
  • 115 V AC, 60 Hz supply fits standard residential wiring
  • Open drip-proof steel frame resists moisture and debris
  • 56Z frame with flat shaft and rigid base simplifies mounting

Specifications

BrandDAYTON

Questions about this item

How do I mount the 56Z frame motor and which way does the flat shaft turn?

Bolt the steel rigid-base frame to a flat surface; the flat shaft rotates CW or CCW depending on how you wire the 115 V split-phase windings.

What part of this 1/3 HP motor will need attention first during continuous duty?

The open drip-proof enclosure exposes the windings to dust and moisture, so plan to clean or re-insulate the Class B insulation when debris builds up.

At what point does the 1.35 service factor stop protecting the motor under sustained load?

Drawing more than 7.0 A at 1725 rpm exceeds the service-factor margin, causing the winding temperature to surpass the 40 °C ambient rating.

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