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MDI Mercury Relays
230NO-220AU
Mercury Relay, 2 Pole, 30 Amp (30A), NO, 208/240V, Universal Mounting Plate
$75.63$75.63 -
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
30NO-120A
Mercury Relay, 1 Pole, 30 Amp (30A), NO, 120VAC, Nylon Strap Around Poles
$34.77$34.77 -
MDI Mercury Relays
330NO-24A
Mercury Relay, 3 Pole, 30 Amp (30A), NO, 24VAC, Nylon Strap Around Poles
$86.95$86.95 -
Available Now! Available Now!MDI Mercury Relays
230NO-120A
Mercury Relay, 2 Pole, 30 Amp (30A), NO, 120VAC, Nylon Strap Around Poles
$61.80$61.80 -
Available Now! Available Now!MDI Mercury Relays
230NO-120AU
Mercury Relay, 2 Pole, 30 Amp (30A), NO, 120VAC, Universal Mounting Plate
$66.25$66.25 -
Available Now! Available Now!MDI Mercury Relays
230NO-220A
Mercury Relay, 2 Pole, 30 Amp (30A), NO, 208/240V, Nylon Strap Around Poles
$71.17$71.17 -
Available Now! Available Now!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
30NO-220A
Mercury Relay, 1 Pole, 30 Amp (30A), NO, 208/240V, Nylon Strap Around Poles
$42.58$42.58 -
Available Now! Available Now!MDI Mercury Relays
30NO-24A
Mercury Relay, 1 Pole, 30 Amp (30A), NO, 24VAC, Nylon Strap Around Poles
$34.77$34.77
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.