Skip Content


Master Disconnect Switch,Negative,12/24V

  • Item # 34RD23
  • My Part #
  • Mfr. Model # 20243-7
  • Catalog Page # N/A
  • UNSPSC # 26111703
Master Disconnect Switch,Negative,12/24V close

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.

CAD Downloads

Web Price $163.50 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 2.24 lbs.
Country of Origin Taiwan Country 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

Product Details

The switch ends all of the circuitry connections in the vehicle.

View More

Technical Specs

  • Item Master Disconnect Switch
  • Polarity Negative
  • Connection Type Bolt
  • Switch Type In-Line Rotary
  • Stud Size 10mm
  • Length 4-3/4"
  • Depth 3-8/16"
  • Connection Material Silver Plated Copper
  • Width 4-1/10"
  • Max. Amps 500/250A
  • Max. Voltage 12/24V
  • Features Sealed, Waterproof Design, Removable Key Prevents Tampering or Unwanted Use
  • Standards Complies with OSHA 1910.148
  • Includes Key, Mounting Bracket
How can we improve our Technical Specifications?

Compliance and Restrictions

Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Customer Reviews

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.