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Dayton three-phase motor, steel frame, enclosed fan-cooled housing, rigid base mount

Dayton

Dayton 31TU37 2 HP Three-Phase Motor 143-5TC/56HCZ Frame

SKU CH-9T9N-27PXD

A three-phase general-purpose motor delivering 2 HP at 1750 RPM in a 143-5TC/56HCZ frame

  • Product typeClosed Base
  • 2 HP output powers demanding industrial equipment
  • Three-phase 230/460 V AC suits standard plant wiring
  • 1750 RPM nameplate speed matches common machine requirements
  • 5 % nominal efficiency reduces energy consumption
  • 25 service factor handles intermittent overload conditions

2 HP Three-Phase Motor for Industrial Use

The Dayton 31TU37 is a 2 HP three-phase general purpose motor built for continuous duty in industrial environments. Its totally enclosed fan cooled design protects internal components from dust and moisture. The rigid base and C-face mounting allow secure installation on compatible equipment. It suits maintenance teams and OEMs replacing or specifying a motor for pumps, fans, or conveyors.

Frame 143-5TC/56HCZ and 230/460V Compatibility

The motor uses a 143-5TC/56HCZ frame with rigid base and C-face mounting, so the driven equipment must match this bolt pattern and shaft configuration. It runs on 230/460V AC three-phase power at 60 Hz with full-load currents of 5.7 A at 230V and 2.9 A at 460V. Verify your supply voltage and starter sizing before ordering.

No Thermal Protection and Class F Insulation

The motor has no built-in thermal protection, so external overload protection must be provided by the starter or control panel. Class F insulation and a 1.25 service factor give margin for occasional overloads within the 40 °C maximum ambient temperature. Ball bearings and steel frame construction support long service life under continuous operation.

How it compares

Measured against everything we stock in Industrial Motors & Machine Parts, at today’s prices. Recalculated every night.

Price $391.99
Pricier than about 74% of the 397 comparable items (median $91.99).

Specifications

Product
Brand nameDAYTON
Product typeClosed Base

Questions about this item

What does 2 HP mean once the motor is installed?

The motor delivers two horsepower of continuous mechanical output at 1750 RPM under full load.

How does the 230/460 V three-phase supply limit performance?

At 230 V the motor draws 5.7 A; at 460 V it draws 2.9 A, and the 60 Hz frequency fixes the synchronous speed.

What does the 143-5TC/56HCZ frame require for mounting?

It fits a rigid base with C-face bolt pattern and matches NEMA 143-5TC and 56HCZ shaft dimensions.

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