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Dayton blower motor open frame silver finish 48YZ

Dayton

Dayton 3M713 Blower Motor PSC 1/3 HP 1075 RPM 277V 48YZ

SKU CH-2S2T-G79C2

Single-phase PSC blower motor delivers 1/3 hp at 1075 RPM on 277 V AC, three-speed operation, 48YZ frame, auto thermal protection, continuous duty, reversible CW/CCW rotation, 6 in shaft

  • PSC motor runs efficiently at 1/3 HP
  • Three-speed operation matches airflow needs
  • 277 V supply suits commercial systems
  • Auto thermal protection prevents overheating
  • 48YZ frame with 1/2 in shaft fits standard mounts

HVAC Blower Motor 1/3 HP

This Dayton 3M713 blower motor is a permanent split capacitor unit rated at one-third horsepower for continuous-duty HVAC applications. It operates on 277 volt single-phase power at 60 hertz and draws 2.2 amps at full load, making it suitable for commercial air-handling equipment that requires reliable airflow.

48YZ Frame Stud Mount Open Air Over

The motor uses a 48YZ frame with a half-inch diameter shaft extending six inches and a stud mounting pattern that allows all-angle installation. Its open air-over enclosure relies on the airstream for cooling, while automatic thermal protection and Class B insulation guard against overheating up to a maximum ambient temperature of 40 degrees Celsius.

Replaces Worn Direct-Drive Blower Motors

This unit replaces failed direct-drive blower motors in furnaces, air handlers or packaged rooftop units where the original spec matches 1075 RPM three-speed operation at 277 volts. The jump is worth it when the existing motor has seized bearings, weakened windings or a tripped thermal protector that can no longer sustain continuous duty.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $169.99
Pricier than about 79% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameDAYTON

Questions about this item

What does the 277 V AC rating mean for circuit compatibility?

The motor runs on a 277 V AC single-phase supply at 60 Hz and draws 2.2 A at full load, so the branch circuit and breaker must be rated for that voltage and current.

Will the 48YZ frame with 1/2 in shaft and 6 in shaft length fit my existing mount?

The 48YZ frame uses stud mounting in any angle; the shaft is 1/2 in diameter and 6 in long, so match those dimensions to your fan hub and mounting studs.

How do I wire the three-speed PSC motor correctly?

Connect the 277 V line to the common and desired speed tap, install the required run capacitor per the wiring diagram, and verify rotation is CW or CCW as needed.

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