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    Transmission Distribut. Relays / Voltage/Phase Monitor

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    Results 1-50 of 907.
    OMRON SDV-FH2 DC24

    OMRON

    SDV-FH2 DC24

    VOLTAGE SENSOR, SINGLE FUNCTION OVER/UNDER VOLTAGE DETECTION, TIMING FUNCTION NOT PROVIDED, 2 AMP, 2220 VAC, 24 VDC, LED OPERATION INDICATOR
    ✓ IN STOCK!
    $833.36 Buy Surplus As Low As $500.01
    $500.01
    Repair Yours $482.00
    TIME MARK CORP 173-5-240

    TIME MARK CORP

    173-5-240

    AC CURRENT MONITOR, 120/240VAC, 10A, 240MA
    ✓ IN STOCK!
    $228.00 Buy New $228.00
    $122.46
    Repair Yours $200.00
    TIME MARK CORP C263

    TIME MARK CORP

    C263

    POWER PHASE MONITOR, 380/480VAC, 10/15AMP, 30/60HZ, 3PH RATING, SPDT CONTACT FORM, PANEL MOUNT, SCREW TERMINATION, ELECTROMECHANICAL RELAY
    ✓ IN STOCK!
    $139.00 Buy New $139.00
    $84.00
    ALLEN BRADLEY 813S-E2CD50

    ALLEN BRADLEY

    813S-E2CD50

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR, MONITORING RANGE 250-690 VAC, 115 VAC, 50/60 HZ, 2 VA
    ✓ IN STOCK!
    Buy Surplus As Low As $260.00
    $260.00
    Repair Yours $200.00
    ALLEN BRADLEY 813S-E2BA50

    ALLEN BRADLEY

    813S-E2BA50

    DISCONTINUED BY MANUFACTURER 11/29/2010, VOLTAGE RELAY, MACHINE ALERT, ELECTRONIC, 230 VAC @ 50/60 HZ CONTROL POWER, 150-500 VAC, 50 HZ, SINGLE PHASE/THREE-PHASE, 2 NO OUTPUTS AND 1 NC OUTPU ...
    ✓ IN STOCK!
    Buy Surplus As Low As $396.00
    $396.00
    Repair Yours $329.00
    TIME MARK CORP C269

    TIME MARK CORP

    C269

    PHASE MONITOR, OVER/UNDER FUNCTION, SOLID STATE, ELECTROMECHANICAL, 3 PHASE, 10 AMP @ 240 VAC, 480 VAC SUPPLY VOLTAGE, SPDT CONTACT, SCREW TERMINATION, PANEL MOUNT
    ✓ IN STOCK!
    $182.00 Buy New $182.00
    $111.00
    Repair Yours $200.00
    SIEMENS 3UF7103-1AA00-0

    SIEMENS

    3UF7103-1AA00-0

    CURRENT MEASURING MODULE, 20-200 AMP SET CURRENT, 120 MM OVERALL WIDTH, STRAIGHT-THROUGH TRANSFORMER
    ✓ IN STOCK!
    $890.00 Buy Surplus As Low As $498.00
    $498.00
    Repair Yours $414.00
    SIEMENS 3UF71031BA000

    SIEMENS

    3UF71031BA000

    CURRENT MEASURING MODULE, SIMOCODE PRO, 20-200 AMP, 120 MM OVERALL WIDTH, BUSBAR CONNECTION
    ✓ IN STOCK!
    $768.99 Buy Surplus As Low As $461.39
    $461.39
    Repair Yours $280.00
    SIEMENS 3UF7111-1AA00-0

    SIEMENS

    FURNAS ELECTRIC CO

    3UF7111-1AA00-0

    DISCONTINUED BY MANUFACTURER 12/01/2021, CURRENT/VOLTAGE MEASURING MODULE, SIMOCODE PRO, 2.4-25 AMP, DETECTION UP TO 690V, OVERALL WIDTH 45 MM, STRAIGHT-THROUGH TRANSFORMER, REPLACED BY 3UF7 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,188.00
    $1,188.00
    Repair Yours $977.00
    SIEMENS 3UG3532-1AL20

    SIEMENS

    3UG3532-1AL20

    DISCONTINUED BY MANUFACTURER, SINCE - 01/10/2007, VOLTAGE CONTROL RELAY, SINGLE PHASE, 230VAC (50/60 HZ), LED STATUS INDICATORS, SCREW CLAMP TERMINALS, DIN-RAIL MOUNTED
    ✓ IN STOCK!
    Buy Surplus As Low As $147.00
    $147.00
    Repair Yours $200.00
    SIEMENS 3UF71001AA000

    SIEMENS

    3UF71001AA000

    SIMOCODE PRO CUR MEAS. MODULE,0.3-3A, N7G, CONTROLS - SIMOCODE 3UF50 OVRLD
    ✓ IN STOCK!
    $344.67 Buy Surplus As Low As $206.80
    $206.80
    Repair Yours $200.00
    SIEMENS 3UG4622-1AA30

    SIEMENS

    3UG4622-1AA30

    DIGITAL MONITORING RELAY, 21 TO 26V AC/DC, ADJ 0.05 TO 10.00A, 3A @ 250/400V, TERMINAL STRIP
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $136.54
    $136.54
    Repair Yours $200.00
    SIEMENS 3UG46311AA30

    SIEMENS

    3UG46311AA30

    DIGITAL MONITORING RELAY VOLTAGE MONITORING, 22.5 MM FROM 0.1-60 V AC/DC 0VERSHOOT AND UNDERSHOOT SUPPLY VOLTAGE: 24 V AC/DC 50 TO 60 HZ DC AND AC WITHOUT GALVANIC ISOLATION TO MEASURING CIR ...
    ✓ IN STOCK!
    $224.10 Buy Surplus As Low As $147.91
    $147.91
    Repair Yours $200.00
    SIEMENS 3UG4632-1AA30

    SIEMENS

    3UG4632-1AA30

    VOLTAGE MONITORING RELAY, DIGITAL, SPDT, 1 PHASE, 1 POLE, 10-600 VAC/DC, 50/60 HZ, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -25 TO +60 DEGREES C
    ✓ IN STOCK!
    $249.00 Buy Surplus As Low As $190.00
    $190.00
    Repair Yours $200.00
    SIEMENS 3UG4617-1CR20

    SIEMENS

    3UG4617-1CR20

    MONITORING RELAY, DIGITAL, LCD DISPLAY, 0-20 S OFF DELAY, 3-PHASE, 160-690 V, 50/60 HZ, IP20, (SUCCESSOR: 3UG5618-1CR20)
    ✓ IN STOCK!
    $359.00 Buy Surplus As Low As $237.00
    $237.00
    Repair Yours $200.00
    SIEMENS 3UG4633-1AL30

    SIEMENS

    3UG4633-1AL30

    DIGITAL MONITORING RELAY, VOLTAGE MONITORING, 22.5 MM, 17-275 VAC/DC, OVERSHOOT AND UNDERSHOOT, SELF-POWERED, SPIKE DELAY 0.1 TO 20 S, HYSTERESIS 0.1 TO 150 V, 1 CO CONTACT, WITH OR WITHOUT ...
    ✓ IN STOCK!
    $259.00 Buy Surplus As Low As $156.00
    $156.00
    SIEMENS 3UG4618-1CR20

    SIEMENS

    3UG4618-1CR20

    DIGITAL MONITORING RELAY, FOR 3-PHASE VOLTAGE WITH N-CONDUCTOR AUTOM, PHASE SEQUENCE CORRECTION, PHASE FAILURE 3 X 90 TO 400V 50/60HZ, AC UNDERVOLTAGE AND OVERVOLTAGE 90-400 V, HYSTERESIS 1- ...
    ✓ IN STOCK!
    $375.00 Buy Surplus As Low As $285.00
    $285.00
    Repair Yours $200.00
    SIEMENS 3UG4511-1BN20

    SIEMENS

    3UG4511-1BN20

    ANALOG MONITORING RELAY, PHASE SEQUENCE MONITORING 3 X 160, 260V, 50/60HZ, DIN RAIL
    ✓ IN STOCK!
    $174.00 Buy Surplus As Low As $115.00
    $115.00
    Repair Yours $200.00
    GOTRONIC 513100

    GOTRONIC

    513100

    POWER LINE MONITOR, 10 AMP, 240 VAC, 50/60 HZ, 1/10 HP, 4-5 SECOND
    ✓ IN STOCK!
    Buy Surplus As Low As $306.00
    $306.00
    Repair Yours $300.00
    TIME MARK CORP A246

    TIME MARK CORP

    A246

    3-PHASE-MONITORS,120VAC, SIZE 3.8IN X 1.95IN X 1.95IN
    ✓ IN STOCK!
    $85.00 Buy New $85.00
    $52.65
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR450423R0600

    ASEA BROWN BOVERI

    1SVR450423R0600

    DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 3 PHASE
    ✓ IN STOCK!
    Buy Surplus As Low As $283.50
    $283.50
    Repair Yours $200.00
    ASEA BROWN BOVERI HLMUDRAAA

    ASEA BROWN BOVERI

    SSAC

    HLMUDRAAA

    3 PHASE VOLTAGE MONITOR, 200-480VAC, ADJUSTABLE, 3-PHASE DELTA OR WYE WITH NO CONNECTION TO NEUTRAL, 50 / 60 AUTOMATICALLY DETECTED; 240 V AC: 50 / 60; 380 V AC: 50; 480 V AC: 60, DPDT
    ✓ IN STOCK!
    $293.00 Buy Surplus As Low As $176.00
    $176.00
    Repair Yours $200.00
    ASEA BROWN BOVERI KVM6

    ASEA BROWN BOVERI

    SSAC

    KVM6

    SINGLE PHASE VOLTAGE MONITOR RELAY, 5 STRAIGHT BLADES, ADJUSTMENT RANGE: 156-199 VAC, OUTPUT: 230 VAC, RATING: 8 A, 1/3 HP
    ✓ IN STOCK!
    $157.00 Buy Surplus As Low As $97.20
    $97.20
    Repair Yours $200.00
    ASEA BROWN BOVERI RLM611

    ASEA BROWN BOVERI

    SSAC

    RLM611

    VOLTAGE MONITOR, 60 HZ, 240 VAC, 3 PHASE, TIME DELAY
    ✓ IN STOCK!
    $215.00 Buy Surplus As Low As $109.65
    $109.65
    Repair Yours $200.00
    ASEA BROWN BOVERI TVM480A51S6S

    ASEA BROWN BOVERI

    TVM480A51S6S

    3 PHASE MONITOR, 480VAC, TRIP 1 SEC, RESTART 6 SEC, UNB 5%
    ✓ IN STOCK!
    $297.00 Buy Surplus As Low As $152.15
    $152.15
    ASEA BROWN BOVERI PHS120A10

    ASEA BROWN BOVERI

    SSAC

    PHS120A10

    SOLID STATE RELAY,AC PHASE CONTROL, 120VAC/10AMP MAX, ANALOG OUTPUT, VARIABLE RESISTANCE INPUT
    ✓ IN STOCK!
    $87.00 Buy Surplus As Low As $53.00
    $53.00
    Repair Yours $200.00
    ASEA BROWN BOVERI PLMU11

    ASEA BROWN BOVERI

    SSAC

    PLMU11

    VOLTAGE MONITOR, 200/480V, 50/60HZ
    ✓ IN STOCK!
    $279.00 Buy Surplus As Low As $168.00
    $168.00
    Repair Yours $200.00
    SIEMENS 3UG45122AR20

    SIEMENS

    3UG45122AR20

    ANALOG MONITORING RELAY VOLT. MON REL, 160-690VAC, CLAMP, 50...60 HZ
    ✓ IN STOCK!
    $173.00 Buy Surplus As Low As $104.00
    $104.00
    Repair Yours $200.00
    BROYCE CONTROL M3PRT/300-500VAC

    BROYCE CONTROL

    M3PRT/300-500VAC

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, 3 PHASE, 300-500 VAC (400 VAC +/-25%) SUPPLY MONITORING VOLTAGE, 48-63 HZ, 0.2 TO 10 SECOND TIME DELAY, < 4 VA POWER CONSUMPTION, -20 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $154.00
    $154.00
    CARLO GAVAZZI PUB01CB2310V

    CARLO GAVAZZI

    PUB01CB2310V

    VOLTAGE LEVEL RELAY, MONITORING RELAY, SINGLE PHASE, SUPPLY: 115-230 VAC (50/60 HZ), AC/DC OVER OR UNDER-VOLTAGE MONITORING, 0.1-10 VAC/DC RANGE, SPDT RELAY OUTPUT, 3 VA, 11-PIN, REPLACES: S ...
    ✓ IN STOCK!
    $190.00 Buy New $190.00
    $126.00
    SIEMENS 3UG46511AA30

    SIEMENS

    3UG46511AA30

    DIGITAL MONITORING RELAY SPEED MONITORING FROM 0.1 TO 2200 RPM 0VERSHOOT AND UNDERSHOOT SUPPLY VOLTAGE: 24 V AC/DC 50 TO 60 HZ DC AND AC WITHOUT GALVANIC ISOLATION TO MEASURING CIRCUIT ON DE ...
    ✓ IN STOCK!
    $460.00 Buy Surplus As Low As $304.00
    $304.00
    Repair Yours $230.00
    CROUZET 84873026

    CROUZET

    84873026

    VOLTAGE MONITORING RELAY, 3 PHASE, 194-528 VAC VOLTAGE SENSING RANGE, 0.1-10S TIME DELAY, DPDT, LED STATUS INDICATION, DIN RAIL MOUNTING
    ✓ IN STOCK!
    $234.00 Buy New $234.00
    $149.00
    Repair Yours $200.00
    ASEA BROWN BOVERI DLMUBRAAA

    ASEA BROWN BOVERI

    SSAC

    DLMUBRAAA

    VOLTAGE MONITOR, 3PH, 200-480 VAC, DIN RAIL MOUNT, DELAY TIME:1 SEC ~ 30 SEC,TYPE:VOLTAGE ASYMMETRY, VOLTAGE SENSING AC, PHASE LOSS
    ✓ IN STOCK!
    $366.24 Buy Surplus As Low As $219.75
    $219.75
    Repair Yours $212.00
    CROUZET 84873220

    CROUZET

    84873220

    VOLTAGE MONITORING RELAY, 3 PHASE, 2X SPDT 5 AMP, 220-480 VAC, 50/60 HZ, GREEN LED INDICATOR, DIN RAIL MOUNT, IP20 TERMINAL BLOCK, IP30 CASING
    ✓ IN STOCK!
    $194.00 Buy New $194.00
    $117.00
    Repair Yours $200.00
    SYMCOM 601

    SYMCOM

    601

    VOLTAGE MONITOR, MOTORSAVER, 3 PHASE, 11 SETPOINTS, PROGRAMMABLE, 3 DIGIT LED DISPLAY, RESET PUSHBUTTON, 190-480 VAC LINE VOLTAGE, 50/60 HZ
    ✓ IN STOCK!
    $562.00 Buy Surplus As Low As $338.00
    $338.00
    Repair Yours $273.00
    MINILEC VMRD2

    MINILEC

    VMRD2

    MINILEC, VMRD2, VOLTAGE MONITORING RELAY, 415VAC,
    ✓ IN STOCK!
    Buy Surplus As Low As $259.20
    $259.20
    Repair Yours $215.14
    SIEMENS 3UG45132BR20

    SIEMENS

    3UG45132BR20

    VOLTAGE PHASE MONITOR, 3PHASE RELAY, ADJUSTABLE UNDERVOLTAGE ASYMMETRY 20% FIXED 3 X 160 TO 690 V 50 TO 60 HZ AC HYSTERESIS 5% FIXED DELAY TIME 0-20 S 2 CHANGE-OVER CONTACTS SCREW TERMINAL
    ✓ IN STOCK!
    $433.00 Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $216.00
    CARLO GAVAZZI DUB01CD48500V

    CARLO GAVAZZI

    DUB01CD48500V

    MONITORING RELAY, 1-PHASE AC/DC OVER OR UNDERVOLTAGE MONITORING RELAY, NOMINAL RANGE 2-500 V AC/DC, SPDT RELAY OUTPUT, 22.5 MM DIN-RAIL HOUSING
    ✓ IN STOCK!
    $189.00 Buy New $189.00
    $141.00
    NESELCO 601-E-2000

    NESELCO

    601-E-2000

    BUSBAR MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As $729.00
    $729.00
    Repair Yours $680.00
    BITRONICS MTWIN3B-S520-VD10

    BITRONICS

    MTWIN3B-S520-VD10

    DISCONTINUED BY MANUFACTURER, TRANSDUCER DIGITAL, 6 WATT, 20-280VDC, 55-200VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,212.00
    $1,212.00
    Repair Yours $996.00
    MATSUSHITA ELECTRIC ST1-DC5V

    MATSUSHITA ELECTRIC

    PANASONIC

    ST1-DC5V

    POWER RELAY; RELAY TYPE:PCB; COIL VOLTAGE VDC NOM:5V; CONTACT CURRENT MAX:8A; CONTACT VOLTAGE AC NOM:380V; CONTACT VOLTAGE DC NOM:250V; COIL RESISTANC
    ✓ IN STOCK!
    $20.00 Buy Surplus As Low As $12.00
    $12.00
    MACROMATIC VMP120A

    MACROMATIC

    VMP120A

    RELAY, VOLTAGE SENSING, DPDT, 120VAC; PRODUCT RANGE:VM SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; CONTACT VOLTAGE VAC:240VAC; RELAY TERMINALS:QUICK CONNE ...
    ✓ IN STOCK!
    $163.00 Buy New $163.00
    $98.00
    Repair Yours $200.00
    MACROMATIC PAP240

    MACROMATIC

    PAP240

    3-PHASE MONITOR RELAY, 240 VAC, 8 PIN SPDT RELAY, PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE WITH ADJUSTABLE UNDERVOLTAGE TRIP
    ✓ IN STOCK!
    $126.00 Buy New $126.00
    $57.00
    Repair Yours $200.00
    MACROMATIC VAKPU

    MACROMATIC

    VAKPU

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, OVER/UNDER VOLTAGE, SINGLE PHASE, 10 AMP, 208-240 VAC, 3 VA, SPDT
    ✓ IN STOCK!
    Buy Surplus As Low As $107.00
    $107.00
    COPELAND 085-0160-00

    COPELAND

    085-0160-00

    VOLTAGE MONITOR, 190-630VAC, 3PHASE ,50/60HZ, DIRECT CROSS OF ICM450
    ✓ IN STOCK!
    $339.00 Buy Surplus As Low As $205.00
    $205.00
    Repair Yours $200.00
    MACROMATIC PMDU

    MACROMATIC

    PMDU

    PHASE MONITOR RELAY, 3-PHASE MONITOR RELAY, 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    $252.00 Buy New $252.00
    $126.51
    Repair Yours $200.00
    SIEMENS 3RR22421FW30

    SIEMENS

    3RR22421FW30

    MONITORING RELAY, 4-40 AMP, 3 PHASE, 24-240 VAC/DC, 20-400 HZ, CAN BE MOUNTED CONTACTOR 3RT2, NOISE PULSE SUPPRESSION: 0-30S, PAUSE AFTER FAULT: 0-300 MIN, SCREW CONNECTION SYSTEM
    ✓ IN STOCK!
    $822.00 Buy Surplus As Low As $543.00
    $543.00
    Repair Yours $395.00
    SIEMENS 3UG46182CR20

    SIEMENS

    3UG46182CR20

    DIGITAL MONITORING RELAY FOR 3-PHASE VOLTAGE WITH N-CONDUCTOR AUTOM. PHASE SEQUENCE CORRECTION PHASE FAILURE 3 X 90 TO 400 V 50 TO 60 HZ AC UNDERVOLTAGE AND OVERVOLTAGE 90-400 V HYSTERESIS 1 ...
    ✓ IN STOCK!
    $394.00 Buy Surplus As Low As $237.00
    $237.00
    Repair Yours $200.00
    GOTRONIC 553100

    GOTRONIC

    553100

    POWER LINE MONITOR 240VAC
    ✓ IN STOCK!
    $324.90 Buy Surplus As Low As $210.38
    $210.38
    Repair Yours $200.00
    TIME MARK CORP A258B-480V

    TIME MARK CORP

    A258B-480V

    PHASE MONITORING RELAY, 258 SERIES, AUTOMATIC OR MANUAL RESET, 3 PHASE, 380/480 VAC, 60 HZ, SPDT, SOCKETABLE, 8 PIN, FOR USE WITH SOCKET # 51012001
    ✓ IN STOCK!
    $93.00 Buy New $93.00
    $72.00
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