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MDI Mercury Relays
30NO-220A
Mercury Relay, 1 Pole, 30 Amp (30A), NO, 208/240V, Nylon Strap Around Poles
$42.58$42.58 -
$193.75$193.75 -
MDI Mercury Relays
230NO-24D
Mercury Relay, 2 Pole, 30 Amp (30A), NO, 24VDC, Nylon Strap Around Poles
$61.80$61.80 -
MDI Mercury Relays
35NC-120AT
Mercury Relay, 1 Pole, 35 Amp (35A), NC, 120VAC, Nylon Strap Around Poles
$46.88$46.88 -
Available Now! 
Available Now!MDI Mercury Relays
60NO-24D
Mercury Relay, 1 Pole, 60 Amp (60A), NO, 24VDC, Nylon Strap Around Poles
$62.50$62.50 -
MDI Mercury Relays
100NO-24DH-6A
Mercury Relay, 1 Pole, 100 Amp (100A), NO, 24VDC, High Voltage, SPST, Nylon Strap Around Poles
$155.70$155.70 -
MDI Mercury Relays
230NO-24A
Mercury Relay, 2 Pole, 30 Amp (30A), NO, 24VAC, Nylon Strap Around Poles
$58.28$58.28 -
MDI Mercury Relays
330NO-24A
Mercury Relay, 3 Pole, 30 Amp (30A), NO, 24VAC, Nylon Strap Around Poles
$86.95$86.95 -
MDI Mercury Relays
2100NO-220A
Mercury Relay, 2 Pole, 100 Amp (100A), NO, 208/240V, Metal Strap Around Poles
$274.30$274.30 -
Available Now! 
Available Now!MDI Mercury Relays
330NO-120AH
Mercury Relay, 3 Pole, 30 Amp (30A), NO, 120VAC, Inductive/Lighting Loads, Nylon Strap Around Poles
$92.19$92.19 -
MDI Mercury Relays
460NO-120A-18
Mercury Relay, 4 Pole, 60 Amp (60A), NO, 120VAC, Steel Strap Around Poles
$250.39$250.39 -
MDI Mercury Relays
460NO-24D-18
Mercury Relay, 4 Pole, 60 Amp (60A), NO, 24VDC, Steel Strap Around Poles
$236.00$236.00
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.