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Dayton 1L389 brake motor, 140TC NEMA C-face, totally enclosed finish

Dayton

Dayton 1L389 Brake Motor 6 ft-lb 140TC NEMA

SKU CH-EDYD-ZPV28

C-face magnetic disc brake motor delivering 6 ft-lb static torque for 140TC NEMA frames at 1725 or 3450 RPM

  • Reliable stopping power with 6 ft-lb static torque
  • Dual-voltage coil works at 110/208-220V 50 Hz and 115/208-230V 60 Hz
  • Totally enclosed housing protects internal components
  • Fits 140TC NEMA C-face motors with 5/8 in shaft
  • Rated for 2 hp at 1725 RPM and 3 hp at 3450 RPM

Dayton 1L389 Brake Motor

This Dayton 1L389 brake motor combines a C-face magnetic disc brake with a totally enclosed motor frame. It is built for industrial machinery that requires reliable holding torque and consistent speed control. The unit suits maintenance teams and OEMs fitting 140TC NEMA frames on conveyors, pumps or positioning equipment.

Thermals and power

The totally enclosed enclosure protects windings from dust and moisture during continuous operation. Coil voltage accepts 110/208-220V AC at 50 Hz and 115/208-230V AC at 60 Hz, matching common single-phase supplies. Maximum speed reaches 3,450 RPM while delivering rated torque without external cooling accessories.

6 ft-lb static torque

Static torque of 6 ft-lb determines whether the brake can hold the load when power is removed. Horsepower ratings are 2 hp at 1,725 RPM and 3 hp at 3,450 RPM. The 5/8 in shaft diameter and between-motor-and-reducer mounting location must match the driven equipment. Buyers needing higher holding torque or a different frame size should select another model.

Highlights

  • Reliable stopping power with 6 ft-lb static torque
  • Dual-voltage coil works at 110/208-220V 50 Hz and 115/208-230V 60 Hz
  • Totally enclosed housing protects internal components
  • Fits 140TC NEMA C-face motors with 5/8 in shaft
  • Rated for 2 hp at 1725 RPM and 3 hp at 3450 RPM

Specifications

BrandDAYTON

Questions about this item

How do I install the Dayton 1L389 brake motor and which step is most often missed?

Mount the C-face brake between the motor and reducer, align the 5/8 in shaft, and wire the coil for 115/208-230 V AC at 60 Hz; the step most often missed is confirming the wiring matches the supply voltage before energising.

What maintenance or replacement will the brake need over time?

The magnetic disc wears with each stop; inspect the friction surface periodically and replace the disc when thickness falls below the minimum or when the 6 ft-lb static torque can no longer be held.

What limit appears first during sustained operation of this brake motor?

The 3,450 RPM maximum speed is the first hard limit; exceeding it risks overheating the coil and losing the 6 ft-lb holding torque on the 140TC NEMA frame.

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