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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
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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 *