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    Results 1-50 of 322.
    MDI 60NO-24D

    MDI

    60NO-24D

    CONTACTOR, MERCURY, 60 AMP, 24 VDC, 1 POLE, 1 NORMALLY OPEN
    ✓ IN STOCK!
    $91.67 Buy New $91.67
    $55.00
    MDI 20NO-120A

    MDI

    20NO-120A

    DISCONTINUED BY MANUFACTURER, RELAY, 1POLE, 20AMP, 120V COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $7.29
    $7.29
    MDI 35NO-120AH

    MDI

    35NO-120AH

    MERCURY RELAY, 35AMP, 1POLE, 120V COIL
    ✓ IN STOCK!
    $66.95 Buy New $66.95
    $23.44
    MDI 35NO-120A

    MDI

    35NO-120A

    CONTACTOR, MERCURY RELAY, 35 AMP, 1 POLE, 120 VAC COIL, NYLON STRAP AROUND POLES, BUNA-N SEAL
    ✓ IN STOCK!
    $51.00 Buy New $51.00
    $31.02
    MDI 3100NO-120A

    MDI

    3100NO-120A

    RELAY, MERCURY, 100 AMP, 3 POLE, 120 V AC COIL, 50/60 HZ, METAL STRAP
    ✓ IN STOCK!
    $617.22 Buy New $617.22
    $282.48
    Repair Yours $300.00
    MDI 235NO-120A-18

    MDI

    235NO-120A-18

    CONTACTOR, MERCURY CONTACTOR, 35 AMP, 2 POLE, 120 VAC, 50/60 HZ, SCREW TERMINAL, CU-60, 31.5 IN/LB
    ✓ IN STOCK!
    $101.85 Buy New $101.85
    $59.74
    Repair Yours $300.00
    MDI 30NO-24D

    MDI

    30NO-24D

    RELAY, MERCURY TYPE, 24 VDC COIL, 180 OHM, SINGLE POLE SINGLE THROW, NORMALLY OPEN, 30 AMP CONTACT RATING, 600 VAC
    ✓ IN STOCK!
    $43.17 Buy New $43.17
    $27.00
    MDI CM10W2000

    MDI

    CM10W2000

    MERCURY TILT FLOAT N.C. (OLD FYEL40) SWITCH N.O. 20' CORD
    ✓ IN STOCK!
    $43.43 Buy New $43.43
    $28.23
    MDI 260NO-120A-18

    MDI

    260NO-120A-18

    MERCURY RELAY, 2 POLE / SINGLE THROW,60 AMP,120 VAC 50 / 60 HZ,50MS OPERATING TIME,80MS REALEASE TIME
    ✓ IN STOCK!
    $158.98 Buy New $158.98
    $91.67
    MDI 260NO-120A

    MDI

    260NO-120A

    DISCONTINUED BY MANUFACTURER, CONTACTOR, 60-AMP, 2-POLE, 120VAC COIL, MERCURY
    ✓ IN STOCK!
    Buy Surplus As Low As $296.49
    $296.49
    MDI 335NO-120A-18

    MDI

    335NO-120A-18

    MERCURY RELAY, 35 AMP, 3 POLE, 120 VAC, 50/60 HZ COIL
    ✓ IN STOCK!
    $156.56 Buy New $156.56
    $94.76
    MDI 230NO-120AU

    MDI

    230NO-120AU

    CONTROL RELAY, MERCURY TYPE, 30 AMP, 120 VOLT, 50/60 HZ, NORMALLY OPEN
    ✓ IN STOCK!
    $123.60 Buy New $123.60
    $52.00
    MDI 360NO-24D-18

    MDI

    360NO-24D-18

    MERCURY RELAY, 3 POLE, 60 AMP, 24 VDC, NO
    ✓ IN STOCK!
    $284.25 Buy New $284.25
    $163.71
    MDI 260NO-24D-18

    MDI

    260NO-24D-18

    RELAY, 60 AMP, 600 VAC, 2 POLE, COIL 24 VDC, NO
    ✓ IN STOCK!
    $157.59 Buy New $157.59
    $92.00
    MDI IMPD15-B05

    MDI

    IMPD15-B05

    TEMPERATURE CONTROLLER, 70-999 DEGREES F RANGE, 208-240 VAC INPUT, 1 PHASE, 50/60 HZ, 15 AMP, 3600 WATT
    $437.50 Buy New $437.50
    $115.52
    Repair Yours $300.00
    MDI 60NO-120A

    MDI

    60NO-120A

    MERCURY CONTACTOR RELAY, 1 POLE, 60 AMP, 120 VAC COIL, NORMALLY OPEN
    ✓ IN STOCK!
    $82.00 Buy New $82.00
    $49.20
    MDI 100NO-120AH

    MDI

    100NO-120AH

    MERCURY CONTACTOR RELAY, SINGLE POLE, 100 AMP CONTACTOR, NORMALLY OPEN WITH A 120 VAC COIL
    ✓ IN STOCK!
    $243.49 Buy New $243.49
    $71.69
    MDI 360NO-120A-18

    MDI

    360NO-120A-18

    MERCURY RELAY, 60AMP, 3POLE, 120VAC COIL
    ✓ IN STOCK!
    $249.26 Buy New $249.26
    $146.00
    MDI 335NO-220A-18

    MDI

    335NO-220A-18

    RELAY, MDI, MERCURY, 3-POLE, 35AMP, 208/240V
    ✓ IN STOCK!
    $168.62 Buy New $168.62
    $99.00
    MDI 335NO-24D

    MDI

    335NO-24D

    DISCONTINUED BY MANUFACTURER, RELAY, MERCURY, 35AMP, 3P, N/O, 24VDC, 9.9W COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $32.31
    $32.31
    MDI 100NC-120A-6A

    MDI

    100NC-120A-6A

    MERCURY CONTACTOR, RATING PER POLE 10A @ 3500VAC, 120VAC/50-60HZ COIL, SPST, MAGNETICALLY ACTIVATED, NORMALLY CLOSED
    ✓ IN STOCK!
    $204.00 Buy New $204.00
    $123.00
    MDI 60NC-120A

    MDI

    60NC-120A

    CONTACTOR, MERCURY, 60 AMP, 480 VAC, 120 V COIL, 50/60 HZ, NORMALLY CLOSED
    ✓ IN STOCK!
    $81.00 Buy New $81.00
    $41.41
    Repair Yours Contact Us
    MDI 320NO-120A

    MDI

    320NO-120A

    RELAY 3POLE 20/5AMP 120/540V 50/60HZ
    ✓ IN STOCK!
    $109.80 Buy New $109.80
    $48.02
    MDI 235-NO-120AH

    MDI

    235-NO-120AH

    CONTACTOR, MERCURY CONTACTOR, 35 AMP, 2 POLE, 120 VAC, 50/60 HZ, SCREW TERMINAL, CU-60, 30 IN/LB
    ✓ IN STOCK!
    $117.19 Buy New $117.19
    $41.26
    Repair Yours $300.00
    MDI 360NO-120A

    MDI

    360NO-120A

    DISCONTINUED BY MANUFACTURER, MERCURY CONTACTOR, 3POLE, 60AMP, 120VAC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $168.00
    $168.00
    MDI 230NO-120A

    MDI

    230NO-120A

    CONTACTOR, MERCURY TYPE, MAGNETICALLY ACTIVATED, SINGLE THROW, N.O, 2 POLE, 4.4 WATT, 118 MA, 30 AMP, 120 VOLT, 600 VAC, 50/60 HZ
    ✓ IN STOCK!
    $78.42 Buy New $78.42
    $47.00
    MDI 330NO-24D

    MDI

    330NO-24D

    CONTACTOR/RELAY, MERCURY, 3 POLE, 30 AMP, 600 V, 24 VDC COIL
    ✓ IN STOCK!
    $138.71 Buy New $138.71
    $41.03
    MDI SP-1214-120A

    MDI

    SP-1214-120A

    MAGNETIC RELAY, 120 VAC COIL, 50/60 HZ, 2-POLE SINGLE-THROW CONTACT CONFIGURATION, 30 AMP RATING @ 600 VAC RESISTIVE
    ✓ IN STOCK!
    $92.59 Buy New $92.59
    $55.55
    MDI 235NO-120AT-18

    MDI

    235NO-120AT-18

    MERCURY RELAY, 2 POLES, 35A, NO, 120VAC, STEEL STRAP AROUND POLES
    ✓ IN STOCK!
    $149.35 Buy New $149.35
    $47.81
    Repair Yours $300.00
    MDI 360NO-120AN

    MDI

    360NO-120AN

    DISCONTINUED BY MANUFACTURER, 60 AMP CONTACTOR - NORMALLY OPEN
    ✓ IN STOCK!
    Buy Surplus As Low As $70.64
    $70.64
    MDI 35NO-220A

    MDI

    35NO-220A

    DISCONTINUED BY MANUFACTURER, MERCURY RELAY 35AMP SINGLE POLE 220VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $75.19
    $75.19
    MDI 235NO120ANB

    MDI

    235NO120ANB

    MERCURY RELAY, 2POLE, 35AMP, 120V, 50/60HZ, NO
    ✓ IN STOCK!
    $94.79 Buy New $94.79
    $36.75
    MDI 60NO-24A

    MDI

    60NO-24A

    MERCURY RELAY, 1 POLE, 60 AMPS, 24 VAC COIL, CONTACTS: 60 AMPS/480 VAC, NORMALLY OPEN: 48 AMPS/600V
    ✓ IN STOCK!
    $76.00 Buy New $76.00
    $35.41
    MDI 235NO-120AT

    MDI

    235NO-120AT

    DISCONTINUED BY MANUFACTURER, MERCURY DISPLACEMENT CONTACTOR, 120V, 50/60HZ, 35A@600VAC RES, 2 POLE, N/O CONTACTS
    ✓ IN STOCK!
    $74.16 Buy New $74.16
    $28.06
    MDI SS50DE

    MDI

    SS50DE

    MDI, SS50DE, SOLID STATE RELAY WITH INTEGRATED HEATSINK, 4-32 VDC CONTROL VOLTAGE, 50 AMP RATED CURRENT
    ✓ IN STOCK!
    $47.52 Buy New $47.52
    $20.57
    MDI PB20T4000-W

    MDI

    PB20T4000-W

    MDI HIGH-TEMP FLOAT, 16-2 TEFLON CORD/SPST, 1/2HP, 120/240VAC
    ✓ IN STOCK!
    $285.71 Buy New $285.71
    $101.97
    MDI 3010-I

    MDI

    MERCURY SWITCHES

    3010-I

    DISCONTINUED BY MANUFACTURER, WALL SWITCH, 3-WAY, 5A-250V, 15-120VAC, IVORY
    ✓ IN STOCK!
    Buy Surplus As Low As $7.00
    $7.00
    MDI B10-0820

    MDI

    B10-0820

    DISCONTINUED BY MANUFACTURER, ENCLOSURE, 2 BOARD, 18X14.1X3IN
    ✓ IN STOCK!
    Buy Surplus As Low As $62.98
    $62.98
    MDI SS30AU

    MDI

    SS30AU

    RELAY, SOLID STATE, 30 AMP, 1200 V, 600 VAC, 1 PHASE
    ✓ IN STOCK!
    $78.78 Buy New $78.78
    $38.01
    MDI 335NO-24D-18

    MDI

    335NO-24D-18

    MERCURY CONTACTOR/RELAY, (3) NORMALLY OPEN CONTACTS, 35 AMPS, 3-POLE, 24 VDC, .003 OHM
    ✓ IN STOCK!
    $151.41 Buy New $151.41
    $89.00
    Repair Yours Contact Us
    MDI 260NO-120AN

    MDI

    260NO-120AN

    CONTACTOR, MERCURY CONTACTOR, METAL, NORMALLY OPEN CONTACTS, 48/60 AMP, 600/480 VAC, 2 POLE, SINGLE THROW, 120 VAC COIL, 50/60 HZ, SCREW TERMINAL, WALL MOUNT
    ✓ IN STOCK!
    $175.00 Buy New $175.00
    $50.68
    Repair Yours $300.00
    MDI 60NO-120AH-6

    MDI

    60NO-120AH-6

    MERCURY CONTACTOR - NORMALLY OPEN, 60 AMP, 120 VAC COIL, 50 / 60 HZ, SINGLE POLE / SINGLE THROW, 2 - 8 AWG, SCREW TERMINAL
    ✓ IN STOCK!
    $103.00 Buy New $103.00
    $42.94
    Repair Yours $300.00
    MDI 435NO-120A-18

    MDI

    435NO-120A-18

    CONTACTOR, 35 AMP, NORMALLY OPEN
    ✓ IN STOCK!
    $196.97 Buy New $196.97
    $162.50
    MDI 360NO-220A-18

    MDI

    360NO-220A-18

    MERCURY RELAY, 60 AMP, 3-POLE, 208-240 V AC, 50/60 HZ
    ✓ IN STOCK!
    $255.44 Buy New $255.44
    $149.00
    MDI 235NO-120A

    MDI

    235NO-120A

    DISCONTINUED BY MANUFACTURER, MERCURY CONTACTOR, 35 AMP, 600 VAC, 2 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $75.94
    $75.94
    MDI 335NO-120A

    MDI

    335NO-120A

    MERCURY RELAY, 35 AMP, 3 POLE, 120 VAC 50/60 HZ, NORMALLY OPEN, *PN HAS ADDED 18 AT END TO SHOW IT HAS BEEN UPGRADED TO STEEL STRAPS
    ✓ IN STOCK!
    $252.00 Buy New $252.00
    $137.16
    MDI 330NO-120A

    MDI

    330NO-120A

    RELAY / MERCURY TYPE, 30 AMP, 3 POLE, 600 VAC, 50/60 HZ
    ✓ IN STOCK!
    $118.00 Buy New $118.00
    $74.16
    MDI 335NO-120AT-18

    MDI

    335NO-120AT-18

    MERCURY RELAY, 3 POLES, 35AMP, NORMALLY OPEN, 120VAC, STEEL STRAP AROUND POLES, MERCURY CONTACTOR
    ✓ IN STOCK!
    $196.70 Buy New $196.70
    $116.20
    MDI 235NO-24D-18

    MDI

    235NO-24D-18

    MERCURY RELAY, 35AMP, 2 POLE, 24VDC COIL, NO
    ✓ IN STOCK!
    $100.94 Buy New $100.94
    $60.00
    MDI 35NO-24D

    MDI

    35NO-24D

    MERCURY RELAY, 35 AMP, 600 VAC, 1-POLE, 24 VDC COIL, RESISTIVE, NORMALLY OPEN
    ✓ IN STOCK!
    $53.56 Buy New $53.56
    $32.00
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