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MDI Mercury Relays
235NO-120AT-18
Mercury Relay, 2 Pole, 35 Amp (35A), NO, 120VAC, Steel Strap Around Poles
$83.83$83.83 -
Available Now! 
Available Now!MDI Mercury Relays
330NO-24D
Mercury Relay, 3 Pole, 30 Amp (30A), NO, 24VDC, Nylon Strap Around Poles
$86.95$86.95 -
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
235NO-24DH-18
Mercury Relay, 2 Pole, 35 Amp (35A), NO, 24VDC, High Voltage, Steel Strap Around Poles
$82.03$82.03 -
Available Now! 
Available Now!MDI Mercury Relays
60NC-120A
Mercury Relay, 1 Pole, 60 Amp (60A), NC, 120VAC, Nylon Strap Around Poles
$66.09$66.09 -
MDI Mercury Relays
335NO-220A-18
Mercury Relay, 3 Pole, 35 Amp (35A), NO, 208/240V, Steel Strap Around Poles
$149.53$149.53 -
$193.75$193.75 -
MDI Mercury Relays
100NO-24D
Mercury Relay, 1 Pole, 100 Amp (100A), NO, 24VDC, Nylon Strap Around Poles
$131.80$131.80 -
$35.78$35.78 -
MDI Mercury Relays
3100NO-220A
Mercury Relay, 3 Pole, 100 Amp (100A), NO, 208/240V, Metal Strap Around Poles
$410.22$410.22 -
Available Now! 
Available Now!MDI Mercury Relays
35NO-120ATH
Mercury Relay, 1 Pole, 35 Amp (35A), NO, 120VAC, Inductive/Lighting Loads, Nylon Strap Around Poles
$42.03$42.03 -
Available Now! 
Available Now!MDI Mercury Relays
360NO-24A-18
Mercury Relay, 3 Pole, 60 Amp (60A), NO, 24VAC, Steel Strap Around Poles
$180.47$180.47
Mercury relays, or mercury contactors, can handle high currents and frequent switching cycles plus they often last for decades with little to no maintenance.
Due to containing mercury, they are often replaced by solid state relays.