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Dayton 5K480 capacitor-start motor, open drip-proof enclosure, rigid base, keyed shaft

Dayton

Dayton 5K480 Capacitor-Start Motor 1 hp 115/230V AC 182 Frame 1750 RPM

SKU CH-MKFS-YJYG6

Single-phase capacitor-start motor delivers 1 hp at 1,750 RPM on 115/230 V AC, 182 frame, open drip-proof enclosure, rigid base, continuous duty

  • typeClosed Base
  • Dual-voltage flexibility with 115/230V AC operation
  • High starting torque from capacitor-start design
  • Robust 1 hp output at 1750 RPM
  • Rigid 182 frame suits industrial mounting
  • Continuous duty rated with 1.25 service factor

Dayton 5K480 Capacitor-Start Motor

The Dayton 5K480 is a general-purpose, single-phase motor rated at 1 hp with a nameplate speed of 1750 RPM. It operates on dual-voltage 115/230V AC at 60 Hz and fits a NEMA 182 frame. The capacitor-start design provides strong starting torque for belt-driven or direct-coupled loads. Its open drip-proof enclosure and Class F insulation suit clean, dry indoor environments.

Suited for continuous-duty industrial equipment

This motor suits continuous-duty applications such as pumps, fans, compressors and conveyors that need a rigid horizontal base mount and a keyed shaft for positive drive engagement. The 1.25 service factor gives a modest overload margin. Buyers who need built-in thermal protection, a vertical mounting option or an enclosed housing for dirty or wet locations should look at alternative designs.

1 hp output with 1.25 service factor

At 115V the motor draws 14.4 full-load amps; at 230V it draws 7.2 amps, so circuit sizing must match the chosen voltage. The 1.25 service factor allows temporary operation up to 1.25 hp without overheating in a maximum ambient temperature of 40 degrees C. It is not designed for variable-speed control or frequent start-stop cycling beyond normal continuous duty.

Highlights

  • Dual-voltage flexibility with 115/230V AC operation
  • High starting torque from capacitor-start design
  • Robust 1 hp output at 1750 RPM
  • Rigid 182 frame suits industrial mounting
  • Continuous duty rated with 1.25 service factor

Specifications

BrandDAYTON
typeClosed Base

Questions about this item

Does this 1 hp motor need a separate capacitor to start?

No, the capacitor-start design includes the starting capacitor internally; just supply 115/230 V AC and the motor will start itself.

Will this 182-frame, 1750 RPM motor line up with the pulleys and shaft height of my older 182-frame belt-drive equipment?

Yes, the NEMA 182 frame and keyed shaft keep the same centre height and keyway dimensions as earlier 182-frame units, so existing pulleys and belts will match.

How can I confirm the motor is running at the rated 1750 RPM once it is wired and running?

With a 60 Hz supply and no load, a non-contact tachometer should read approximately 1750 RPM; under full load the speed will drop slightly but stay close to nameplate RPM.

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