Dayton
Dayton 2NKY7 3-Phase Motor 3 HP 182T/4T 208-230/460V
Three-phase general-purpose motor delivers 3 HP at 3,540 RPM with 87.5% nominal efficiency and dual-voltage 208-230/460 V operation
- Delivers 3 HP for demanding industrial tasks
- Runs at 3,540 RPM for high-speed operation
- Dual-voltage 208-230/460 V fits varied power supplies
- 5 % nominal efficiency lowers energy costs
- Totally enclosed fan-cooled design protects internal components
General-purpose three-phase motor
The Dayton 2NKY7 is a three-phase general-purpose motor rated at 3 HP with a nameplate speed of 3,540 RPM. It operates on 208-230/460 V AC at 60/50 Hz and draws 7.8 A at low voltage or 3.9 A at high voltage. The unit carries CSA and UL listings and meets a nominal efficiency of 87.5 percent.
Rigid steel frame with ball bearings
The motor uses a totally enclosed fan-cooled enclosure built from steel and mounts on a rigid base. Its 182T/4T frame fits standard foot-pattern installations. Internal ball bearings support the shaft, which rotates in either direction. Insulation class F and a 1.15 service factor allow continuous duty in ambient temperatures up to 40 degrees C.
Thermal and electrical characteristics
No dedicated thermal protection is fitted, so external overload devices must be provided by the installer. The enclosure relies on its integral fan for cooling during continuous operation at the rated 87.5 percent efficiency. Power consumption follows the stated full-load currents of 7.8 A at 208-230 V or 3.9 A at 460 V.
Highlights
- Delivers 3 HP for demanding industrial tasks
- Runs at 3,540 RPM for high-speed operation
- Dual-voltage 208-230/460 V fits varied power supplies
- 5 % nominal efficiency lowers energy costs
- Totally enclosed fan-cooled design protects internal components
Specifications
| Brand | DAYTON |
|---|
Questions about this item
What voltage range does the three-phase motor support and what full-load current does it draw at each rating?
It runs on 208-230/460 V AC at 60/50 Hz and draws 7.8 A at the low-voltage connection or 3.9 A at the high-voltage connection.
What frame size and mounting style does the 182T/4T motor use?
The motor has a rigid base on a steel frame built to the 182T/4T footprint with four mounting holes.
How is the motor wired for the two voltage options and which connection error is common?
The nine leads must be configured in parallel for 208-230 V or in series for 460 V; a frequent mistake is leaving the links in the low-voltage arrangement when connecting to 460 V.
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