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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
4 Pole 35 - 60 AMP Relay Outlines


* Relay Pics and Drawings * Price quote form *
* Mercury Spill Kit * Go Back *

4 Pole
35 or 60 AMP Relay



Outlines! (DXF) 4 Pole 35 or 60 AMP Normally Open
35 or 60 AMP N.O.
Outlines! (PDF) 4 Pole 35 and 60 AMP Normally Open
35 or 60 AMP N.O.
DXF File format PDF File format


Outlines! (DXF) 4 Pole 35 or 60 AMP Normally Closed
35 or 60 AMP N.C.
Outlines! (PDF) 4 Pole 35 and 60 AMP Normally Closed
35 or 60 AMP N.C.
DXF File format PDF File format


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 *