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MDI mercury contactors/relays are durable and float switches and liquid level controls for water and sewage Liquid Level Control Floats
Contactors and Solid State Relays,
Tilt, Tip-over and Proximity Switches
Motion and Shock Sensors.
MDI Mercury Displacement Industries Relays, Contactors, Liquid Level Control Floats, Tilt and Tipover switches
Relay, Vertical, Liquid Level Control Floats, Tilt and Tipover switches
Our Vertical Switch Quote Form


* Vertical Switch * Go Back *


For faster ordering see if our online store has what you need!

For 13-15 AMP 3/4 H.P. or Normally Closed units, please call (800) 634-4077 for a personal quote!

If you already have your part number and you do not need the below form use our Quick Quote Form.



Please select either order or quote:   Req.
Your name or business:    Req.
E-Mail address:    Req.
Location:    Req.
             City and State or Country
Phone number:    Req.


-Build a VS (Vertical Switch) Catalog Number-

Numbering system sample: VS-120 R1 R9L - 01
       C D


A - Length of cord in inches

Please type a length from 012 to 600 max. in 1 (one) inch increments.
Please type Cord Length here (use 3 digits please):    Req.


B - Termination and Label Designation

00 - Standard 1¾" ROJ and ¾" strip (Component Recognized)
C1 - 120 VAC Series plug (72" minimum length) label on cord (Listed)
R1 - 120 VAC Series plug - no label - (Component Recognized)
C2 - 240 VAC Series plug (72" minimum length) label on cord (Listed)
R2 - 240 VAC Series plug - no label - (Component Recognized)
03 - 3 Pin barrel plug -no label- (Component Recognized)
C3 - 3 Pin barrel plug -label on cord- (Component Recognized)
Please select Termination Type here:      Req.


C - Rod and Guide information

R9L - 9" rod with Lower guide Standard
R8L - 8" rod with Lower guide
R7L - 7" rod with Lower guide
Select :    Req.


D - With or Without Bracket or Mounting system (Optional)

01 - Pipe Clamp
Please select option here:


Please select how many you would like    Req.

Comments or Questions? 120 Characters Max!

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For Liquid Level Control Floats, Contactors and Solid State Relays, Tilt, and Tipover contact MDI TODAY!

* P. O. Box 710 * 25028 U.S. 12 East * Edwardsburg, Michigan * 49112 *
* PH. (269) 663-8574 * FX. (269) 663-2924 *
* Toll Free US and Canada (800) 634-4077 *