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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
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
At Mercury Displacement Industries we manufacture Liquid Level Controls in Wide and Narrow angle mechanical or mercury type floats. A wide variety of High Temperature floats, Vertical floats, and cord sets available. We supply OEM's, Plumbing Supply companies, Contractors, Municipal Sewage Treatment plants, and Control Panel Specialists. We also manufacture Mercury Contactors, Relays, Tilt Switches, Solid State Relays and Timers. Please call us at (800) 634-4077 / (269) 663-8574, Fax (269) 663-2924, or email us.

MDI's New Featured Products!
Definite Purpose Contactors/Relays Hockey Puck Contactor/Relay
Three Pole - Single Throw - CGDP3040
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Detailed Ratings		 Three Pole - Single Throw - CGDP2040
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Detailed Ratings		 Single Pole - Single Throw - HPR25A
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Detailed Ratings
P/N: CGDP3040
Coil: 120 VAC 50/60 Hz
Contacts:
Single Phase:
50 AMPS Resistive @ 240 VAC
3 - 7.5 H.P. @ 120 - 277 VAC
Three Phase:
50 AMPS Resistive @ 240 VAC
3 - 25 H.P. @ 120 - 600 VAC		 P/N: CGDP2040
Coil: 120 VAC 50/60 Hz
Contacts:
50 AMPS Resistive @ 240 VAC
3 - 7.5 H.P. @ 120 - 277 VAC		 P/N: HPR Series (Hockey Puck Relay)
2 input ranges:
4.5 - 32 VDC &
20-280 VAC/22 - 48 VDC
Operational ratings:
Up to 75 Arms & 480 VAC
Non-repetitive voltage:
1200 Vp
Opto-insulation:
> 4000 VACrms
Buy the CGDP3040 Now! Buy the CGDP2040 Now! Buy Hockey Puck Relays Now!
Mercury Relays, Contactors, SSRs, Timers or Tilt Switches.
  • Ratings up to 100 AMP.
  • 1 through 4 pole configurations.
  • The best relay for heater loads.
  • Coil voltages up to 600 volts.
  • Hermetically sealed contacts.
  • Suitable for resistive, capacitive and inductive loads.
  • Various size and AMP rated Tilt Switches
  • Solid State Relays up to 70 AMP
  • Many other options available.
 Mechanical and Mercury Liquid Level Control floats.
  • Ratings up to 2HP or 25 AMP.
  • High Impact Polystyrene or High Temperature ABS rated up to 186°F.
  • Any cord length available. UL Max. 50'
  • 120VAC and 240VAC series plugs, 3 pin barrel plug, or standard skive available.
  • External weights or internally weighted floats.
  • Vertical and Twin Floats Switches
  • Many other options available.
Proud to be a SSPMA member
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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 *