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MDI

Mercury Displacement Industries or known better as MDI Inc. Got our start in 1975 as a small family owned business. Specializing in producing mercury relays and other mercury related products. In 1990, MDI added mercury floats to its list of manufactured products. MDI quietly became a leader for both relay and float switches.

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Picture of 2P 24V 35A N/O TOPTERMCONTACTR

2P 24V 35A N/O TOPTERMCONTACTR

MERCURY DISP:235NO-24AT-18

SKU: MERCURY DISP:235NO-24AT-18

$125.55

Picture of 35A N/O CONTACTOR

35A N/O CONTACTOR

MERCURY DISP:L35NO-24AF

SKU: MERCURY DISP:L35NO-24AF

$129.77

Picture of DAMPER SWITCH

DAMPER SWITCH

MERCURY DISP:SP-1162

SKU: MERCURY DISP:SP-1162

$114.92

Picture of MECHANICAL DAMPER ARM SWITCH

MECHANICAL DAMPER ARM SWITCH

MERCURY DISP:SP-1347-L6

SKU: MERCURY DISP:SP-1347-L6

$117.92

Picture of DAMPER ARM TILT SWITCH

DAMPER ARM TILT SWITCH

MERCURY DISP:SP-1442-L6

SKU: MERCURY DISP:SP-1442-L6

$136.94

Picture of 20-275V 1PH SOLID STATE RELAY

20-275V 1PH SOLID STATE RELAY

MERCURY DISP:SS40AU-1

SKU: MERCURY DISP:SS40AU-1

$275.26

Picture of MDICONTACTOR 2 PULL,30AMP,120V

MDICONTACTOR 2 PULL,30AMP,120V

MERCURY DISP:230NO-120A

SKU: MERCURY DISP:230NO-120A

$99.89

Picture of MERCURY RELAY,2 POLES,30A,120V

MERCURY RELAY,2 POLES,30A,120V

MERCURY DISP:230NO-120A-18

SKU: MERCURY DISP:230NO-120A-18

$121.64

Picture of MDI 2-POLE 30AMP 208/240V

MDI 2-POLE 30AMP 208/240V

MERCURY DISP:230NO-220AU

SKU: MERCURY DISP:230NO-220AU

$122.25

Picture of 30A 24V N/O CONTACTOR

30A 24V N/O CONTACTOR

MERCURY DISP:230NO-24A

SKU: MERCURY DISP:230NO-24A

$144.47

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