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Small transparent cast-iron motor with rear mounting foot

Dayton

Dayton 4YFH4 Unit Bearing Motor 1/83 hp 230V AC

SKU CH-H1KS-NZJYF

Unit bearing motor rated 1/83 hp at 230 V AC with shaded-pole design running at 1,550 rpm and drawing 0.33 A full-load current

  • ColorTransparent
  • Delivers 9 W output from a 1/83 hp shaded-pole design
  • Runs on 230 V AC at 60/50 Hz with 0.33 A full-load draw
  • Auto thermal protection and Class A insulation guard against overheating
  • Totally enclosed air-over cast-iron frame suits horizontal or vertical shaft-up mounting
  • 1,550 RPM CWLE rotation with 1/2 in. shaft fits standard HVAC applications

Product Identity

The Dayton 4YFH4 is a shaded-pole unit bearing motor rated at 1/83 hp for 230V AC single-phase supply. It delivers 9 W output at 1,550 RPM and draws 0.33 A at full load, suited for HVAC air-over applications.

Build and Mounting

A cast-iron frame houses the totally enclosed air-over enclosure with Class A insulation and automatic thermal protection. The motor mounts via rear foot pattern in horizontal or vertical shaft-up orientation and features a 1/2 in shaft rotating clockwise from the lead end.

Thermals and Power

Maximum ambient temperature is 40 degrees C with a 1.0 service factor across 50/60 Hz operation. Auto thermal protection interrupts power on overload while the shaded-pole design runs without external capacitors, drawing 0.33 A continuously at nameplate load.

Highlights

  • Delivers 9 W output from a 1/83 hp shaded-pole design
  • Runs on 230 V AC at 60/50 Hz with 0.33 A full-load draw
  • Auto thermal protection and Class A insulation guard against overheating
  • Totally enclosed air-over cast-iron frame suits horizontal or vertical shaft-up mounting
  • 1,550 RPM CWLE rotation with 1/2 in. shaft fits standard HVAC applications

Specifications

BrandDAYTON
ColorTransparent

Questions about this item

What does the 230V AC single-phase shaded-pole design cap the output at?

The motor delivers 9 W at 0.33 A full-load current with a 1.0 service factor.

What mounting features does the rear-foot cast-iron frame provide?

Rear/foot mounting on a non-standard frame allows horizontal or vertical shaft-up installation.

How is the 1/2 in. shaft secured for CWLE rotation, and what step is often missed?

The shaft rotates clockwise from the lead end; verify rotation before final tightening of the mounting bolts.

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