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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
MDI Solid State Relays

HPR Series | SS20AE | SS20AU | SS20DU | SS30AU | SS30DU | SS50AE | SS50AU | SS50DU | SS70AU | SS70DU


* Solid State Relay price quote form *
* Buy these now! *

MDI Line of Solid State Relays
Download the MDI SSR PDF file.


Now at MDI Inc. we have a good selection of high quality Solid State Relays. We have 2 styles of 20 AMP, a 30 AMP, 2 styles of 50 AMP and a 70 AMP Solid State Relays.
Download a 3D drawing of the SS50 Solid State Relay or the SS70 Solid State Relay.

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 *