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Dayton 1 HP 1140 RPM 56 frame motor open drip proof closed base

Dayton

Dayton 30PT91 1 HP 1140 RPM 56 Frame Fan Accessory

SKU CH-CNE1-A69RF

Single-phase 1 hp capacitor-start/run motor delivers 1140 RPM in a 56 frame open drip-proof enclosure with cradle-base mounting for continuous horizontal duty

  • Product weight37.5
  • Product typeClosed Base
  • 1 HP motor delivers 1140 RPM for steady airflow
  • Capacitor-start/run design provides reliable single-phase operation
  • Open drip-proof enclosure resists moisture and debris
  • 56 frame with cradle base fits standard mounting configurations
  • 1 % efficiency reduces energy consumption during continuous duty

Dayton 1 HP General Purpose Motor

The Dayton 30PT91 is a single-phase, capacitor-start/run motor rated at 1 HP and 1140 RPM. It operates on 115/230V AC at 60 Hz with a 56 frame and open drip-proof enclosure. The motor weighs 37.5 units and features a cradle base for horizontal mounting.

Suits Fixed-Speed Continuous Duty

This motor suits applications needing continuous operation at a constant 1140 RPM with 1.15 service factor. It is not for variable-speed drives, as it is not inverter rated. Buyers requiring thermal protection or vertical mounting should look elsewhere.

1 HP at 1140 RPM Nameplate Speed

The nameplate rating of 1 HP at 1140 RPM is the primary specification for matching this motor to your load requirements. Verify that your application demands this exact horsepower and speed combination before purchasing.

How it compares

Measured against everything we stock in Fan Motors, Parts & Clip-On Fans, at today’s prices. Recalculated every night.

Price $721.99
Pricier than about 92% of the 473 comparable items (median $38.99).

Specifications

Product
Brand nameDAYTON
Product typeClosed Base

Questions about this item

Does the 115/230 V AC motor require a specific capacitor or is one integrated?

The motor uses a capacitor-start/run design; a compatible capacitor rated for the 8.9 / 4.6 A full-load current must be supplied separately.

Can the 56-frame motor share the same mounting bolts as my existing 56-frame unit?

Yes, the cradle-base mounting matches standard 56-frame dimensions, so existing bolts and hole patterns will align.

How can I verify the motor is delivering its rated 1 HP at 1140 RPM after installation?

Measure the running current at full load — it should read close to 8.9 A at 115 V or 4.6 A at 230 V — and confirm shaft speed with a tachometer.

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