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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 MDI MERCCONTACTOR120VACTOPTERM

MDI MERCCONTACTOR120VACTOPTERM

MERCURY DISP:35NO-120A

SKU: MERCURY DISP:35NO-120A

$65.95

Picture of MDI MERCCONTACTOR120VACTOPTERM

MDI MERCCONTACTOR120VACTOPTERM

MERCURY DISP:35NO-120AT

SKU: MERCURY DISP:35NO-120AT

$70.28

Picture of MDI MERCCONTCR 24V N/O TOPTERM

MDI MERCCONTCR 24V N/O TOPTERM

MERCURY DISP:35NO-24ATU

SKU: MERCURY DISP:35NO-24ATU

$80.63

Picture of MDI MERCURY CONTACTOR 24V

MDI MERCURY CONTACTOR 24V

MERCURY DISP:L35NO-24A

SKU: MERCURY DISP:L35NO-24A

$61.88

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 MECHANICAL DAMPER ARM SWITCH

MECHANICAL DAMPER ARM SWITCH

MERCURY DISP:SP-1347-L6

SKU: MERCURY DISP:SP-1347-L6

$117.92

Picture of MECHANICAL FLOAT SWT 120V 13A

MECHANICAL FLOAT SWT 120V 13A

MERCURY DISP:GT30T2001

SKU: MERCURY DISP:GT30T2001

$121.11

Picture of MERCURY CONTACTOR,24VAC,N/O,1P

MERCURY CONTACTOR,24VAC,N/O,1P

MERCURY DISP:35NO-24AT

SKU: MERCURY DISP:35NO-24AT

$67.98

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 N/C YELLOW FLOAT SWITCH

N/C YELLOW FLOAT SWITCH

MERCURY DISP:EB1CW1404

SKU: MERCURY DISP:EB1CW1404

$62.58

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