Skip Content

Automatic Transfer Switch,240V,24 In. H close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
How can we improve our Product Images?

Automatic Transfer Switch, 240V, 24 In. H

Price $1,107.00 / each

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 3HFD5
  • Mfr. Model # RTSN100J3
  • UNSPSC # 26131803
  • Catalog Page # 1396
  • Shipping Weight 95.0 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemAutomatic Transfer Switch
  • Voltage240
  • Phase3
  • NEMA Enclosure Type3R
  • Max. Wattage20000
  • Load Transition TypeOpen
  • InstallationStandard
  • Max. Amps100
  • Height24"
  • Width20-1/8"
  • Depth7"
  • Enclosure MaterialAluminum
  • 2-Wire StartNo
  • Warranty2 yr.
  • Automatic ExerciserNo
  • ColorGray
  • For Use WithQT02224JNAX, QTO2515JNSX, QTO2724JNAX, QTO3015JNSX, QT03624JNAX, QTO4524JNSX, QT04854JNAC, QTO4854JNAX, QT06024JNSX, QTO6024JVSX, QT07068JNAC, QT07068JVAN, QTO7068JNAX, QTO7068JVAC QTO8046JNAX, QTO8046JVAX, QT10068JNAC, QT10068JVAC, QT13068JNAC, QT13068JVAC, QT15068JNAC, QT15068JVAC
  • LockableNo
  • Manual OverrideYes
  • Max. Wire Size2/0-14 AWG
  • Sensing Generator HzNo
  • Sensing Line Failure0.9
  • Sensing Under Volts0.6
  • Time Delay NeutralNo
  • Time Delay RetransferYes
  • Time Delay TransferYes
  • StandardsUL, Cul
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Search Terms

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.