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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
Relay Pics and Outlines


* Relay Information * Price quote form *
* Mercury Spill Kit * Go Back *

All outlines are in PDF and AutoCAD DXF R-13 format

See MDI Mercury Relay Outlines 30 amp relays

Single Pole
30 AMP Cased relay

See MDI Mercury Relay Outlines
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2 Pole
30 AMP Cased relay

See MDI Mercury Relay Outlines 30 amp relay

3 Pole
30 AMP Cased relay

See MDI Mercury Relay Outlines 35 or 60 amp relays

Single Pole
35 or 60 AMP N.O. and N.C.
35 AMP T-Top N.O. and N.C.
35 or 60 AMP N.O. Cased relay

See MDI Mercury Relay Outlines 35 or 60 amp relays

2 Pole
35 or 60 AMP N.O. and N.C.
35 AMP T-Top N.O. and N.C.
35 or 60 AMP Narrow Mount
35 or 60 AMP -19 NRM Mount
35 or 60 AMP N.O. Cased relay

See MDI Mercury Relay Outlines 35 or 60 AMP Relays

3 Pole
35 or 60 AMP N.O. and N.C.
35 AMP T-Tops N.O. and N.C.
35 or 60 AMP Narrow Mount

See MDI Mercury Relay Outlines 35 or 60 AMP

4 Pole
35 or 60 AMP N.O. and N.C relays

See MDI Mercury Relay Outlines 30 amp relay

Single Pole
100 AMP N.O. and N.C.
100 AMP N.O. 480 VAC relays

See MDI Mercury Relay Outlines 30 amp relay

2 Pole
100 AMP
100 AMP N.O. and N.C.
100 AMP N.O. 480 VAC relays

See MDI Mercury Relay Outlines 30 amp relay

3 Pole
100 AMP N.O. and N.C.
100 AMP N.O. 480 VAC relays


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 *