Dayton
Dayton 30PT90 General Purpose Motor 3/4hp 3450RPM 56 Frame
Single-phase capacitor-start/run motor delivering 3/4 hp at 3450 RPM in a 56 frame with 115/230 V operation and 1.25 service factor
- ColorTransparent
- 3/4 hp capacitor-start/run motor delivers strong single-phase torque
- 3450 RPM nameplate speed suits high-speed drive applications
- Dual-voltage 115/230 V AC wiring fits common supply circuits
- 56 frame cradle-base mounting enables quick horizontal installation
- 25 service factor and Class B insulation support continuous duty
What this motor is and who it suits
The Dayton 30PT90 is a single-phase general purpose motor rated at 3/4 hp and 3450 RPM in a 56 frame. It runs on 115/230V AC at 60 Hz with a 1.25 service factor and continuous duty cycle. The capacitor-start/run design suits equipment that needs reliable, single-speed operation.
What to verify on your equipment before ordering
Confirm the supply voltage matches 115V or 230V and that the 56 frame fits your mounting pattern. The motor draws 7.0 A at 115V and 3.6 A at 230V full load. Maximum ambient temperature is 40 °C and there is no built-in thermal protection, so external overload protection is required.
Build quality, connectors
The open drip proof enclosure resists falling moisture while allowing airflow. A cradle base provides horizontal mounting with a shaft that can rotate clockwise or counter-clockwise. Insulation class B and the 1.25 service factor give margin for continuous operation. The motor is not inverter rated.
Highlights
- 3/4 hp capacitor-start/run motor delivers strong single-phase torque
- 3450 RPM nameplate speed suits high-speed drive applications
- Dual-voltage 115/230 V AC wiring fits common supply circuits
- 56 frame cradle-base mounting enables quick horizontal installation
- 25 service factor and Class B insulation support continuous duty
Specifications
| Brand | DAYTON |
|---|---|
| Color | Transparent |
Questions about this item
What comes in the box and what must be purchased separately?
The motor ships as a single unit with a cradle base and open drip-proof enclosure. Mounting hardware, capacitors, wiring and any driven equipment such as pulleys or couplings are not included.
How do I choose between the 115 V and 230 V wiring options?
The motor is dual-voltage rated at 115/230 V AC. Wire the leads for the supply voltage you have; full-load current will be 7.0 A at 115 V or 3.6 A at 230 V.
What does the 3,450 RPM nameplate speed mean once the motor is running?
At 60 Hz the motor will run near 3,450 RPM under full load. With a 1.25 service factor it can handle temporary overloads, but it is not inverter-rated so speed will vary with line frequency and load.
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