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MDI Mercury Relays
3100NO-120AH
Mercury Relay, 3 Pole, 100 Amp (100A), NO, 120VAC, Inductive/Lighting Loads, Metal Strap Around Poles
$398.44$398.44 -
$401.56$401.56 -
Available Now! 
Available Now!MDI Mercury Relays
260NO-120AH-18
Mercury Relay, 2 Pole, 60 Amp (60A), NO, 120VAC, High Voltage, Steel Strap Around Poles
$120.78$120.78 -
Available Now! 
Available Now!MDI Mercury Relays
335NO-120AT-18
Mercury Relay, 3 Pole, 35 Amp (35A), NO, 120VAC, Steel Strap Around Poles
$125.00$125.00 -
MDI Mercury Relays
260NC-24D-18
Mercury Relay, 2 Pole, 60 Amp (60A), NC, 24VDC, Steel Strap Around Poles
$122.23$122.23 -
$199.61$199.61 -
Available Now! 
Available Now!MDI Mercury Relays
335NO-120AH-18
Mercury Relay, 3 Pole, 35 Amp (35A), NO, 120VAC, High Voltage, Steel Strap Around Poles
$121.41$121.41 -
MDI Mercury Relays
260NC-24A-18
Mercury Relay, 2 Pole, 60 Amp (60A), NC, 24VAC, Steel Strap Around Poles
$122.23$122.23 -
$601.17$601.17 -
MDI Mercury Relays
335NC-24D-18
Mercury Relay, 3 Pole, 35 Amp (35A), NC, 24VDC, Steel Strap Around Poles
$127.78$127.78 -
Available Now! 
Available Now!MDI Mercury Relays
TOS-12C-L1
Tilt Switch, 12.5A, 120VAC, Cased, 6" Leads, 25° Angle, 17 AWG Silicone Rubber Wire
$21.88$21.88 -
MDI Mercury Relays
260NC-220A-18
Mercury Relay, 2 Pole, 60 Amp (60A), NC, 208/240V, Steel Strap Around Poles
$152.97$152.97
MDI manufacturers mercury relays and also offers a complete line of level controls, SSRs and switches.
Their contactors are rated from 30 to 100 amps and are encased in hermetically sealed stainless steel tubes to provide reliable switching for millions of operations.
MDI was founded in 1975, remains family owned and is manufactured right in Michigan.
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