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Dayton 4HZ64BG HVAC motor, open frame, stud mount

Dayton

Dayton 4HZ64BG 1/12 HP 850 RPM 115V 48Y hvac control

SKU CH-PGP0-T31RA

Permanent split capacitor motor delivers 1/12 hp at 850 RPM for HVAC fan and blower applications

  • 1/12 HP motor powers light HVAC duty
  • 850 RPM single-speed output runs quietly
  • 115 V AC supply fits standard circuits
  • 48Y frame with 5/8 in shaft matches common mounts
  • Auto thermal protection guards against overheating

Application fit

This Dayton 4HZ64BG is a single-phase permanent split capacitor motor rated at 1/12 hp and 850 RPM on 115V AC. It suits HVAC blower or fan duties where a 48Y frame open air-over enclosure and continuous duty cycle are specified. Builders needing a different voltage, higher output or enclosed housing should look elsewhere.

Sustained operation

The motor carries a 1.0 service factor and Class B insulation for continuous running at up to 40 degrees C ambient. Full-load current is 1.6 A at 60 Hz, so thermal protection is automatic and the duty cycle requires no intermittent rest periods. Output remains steady at nameplate RPM under constant load.

Thermals noise power

Open air-over construction relies on the driven airflow for cooling, keeping winding temperature within Class B limits during normal use. Auto thermal protection interrupts power if internal temperature rises excessively. The 115 V single-phase supply draws 1.6 A at full load with no additional control electronics required.

How it compares

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

Price $244.99
Pricier than about 86% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameDAYTON

Questions about this item

How much heat does the 1/12 hp motor add to the airstream when it runs continuously at 850 RPM?

The motor draws 1.6 A at 115 V AC with a 1.0 service factor and Class B insulation rated for 40 °C ambient, so waste heat stays within that thermal envelope during continuous duty.

Does the 48Y frame with 5/8 in. shaft and 3 in. shaft length fit my existing blower housing and mounting studs?

The 48Y frame, 5/8 in. diameter shaft extending 3 in., and stud mounting in any angle match standard 48Y blower housings; verify your housing bolt pattern and shaft keyway before installing.

Will the 60 Hz, 115 V single-phase PSC design start reliably on an older capacitor and relay board?

The permanent-split-capacitor design needs only a correctly rated run capacitor; no start relay or start capacitor is required, so an older board that supplies the proper run capacitance will start the motor.

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