Burner Interlock w/ Speed Control,120 V -- 5PWE2 [UCRT from Tjernlund Products, Inc.]
from Grainger Industrial Supply

Universal Control Board, Burner Interlock with Speed Control, Voltage 120, Max. Amps 6, Height 3 (In.), Width 9 (In.), Depth 6-1/2 (In.), For Use With 5PWD8 and 5PWD9, ETL, Includes Mounting Hardware [See More]

  • Motor Input: 120V/60Hz
  • Height: 3
  • Width: 9
  • Agency Approvals: ETL
Harmonic Drive ® Draw Transmission
from Fairchild Industrial Products Co.

Harmonic drive, strain wave gearing principles, multiple shaft arrangements [See More]

  • Motor Input: DC (optional feature); 120V/60Hz (optional feature); 208-230/240V/60Hz (optional feature)
  • Shaft Speed: 707 to 907
  • Drive Type: Gear Drives / Differentials
  • Output Power: 4.5 to 45
E1-M3
from Zero-Max

Zero-Max is a mechanical adjustable speed drive. Five sizes provide constant torque of 12 to 200 inch pounds throughout the speed range. The speed range is infinitely adjustable from 0 to 1/4 of the input speed under full rated load. This is generally stated as 0-400 RPM under full rated load... [See More]

  • Motor Input: 120V/60Hz
  • Speed Variation: 4.0
  • Drive Type: Zero-Max® Adjustable Speed Drives
  • Shaft Speed: 0.0 to 400