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    Transmission Distribut. Relays / Voltage/Phase Monitor

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    Results 251-300 of 747.
    MARSH BELLOFRAM CDD-120-ALE-20

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CDD-120-ALE-20

    UNIVERSAL DC CURRENT MONITOR RELAY,
    ✓ IN STOCK!
    $504.00 Buy New $504.00
    $333.00
    Repair Yours $300.00
    MARSH BELLOFRAM CMB-120-AFA-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMB-120-AFA-10

    CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 10 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
    ✓ IN STOCK!
    $209.00 Buy New $209.00
    $124.00
    Repair Yours $300.00
    MARSH BELLOFRAM SLA-120-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-120-ASA

    PHASE MONITOR/RELAY, 3-PHASE, 95-130V ADJ., 10A, PLUG-IN, SLA SERIES, 120VAC, SPDT (1 FORM C)
    ✓ IN STOCK!
    $488.06 Buy New $488.06
    $292.84
    Repair Yours $300.00
    MARSH BELLOFRAM SLA-230-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-230-ALA

    PHASE MONITOR RELAY, DPDT, 10A, 240VAC; PRODUCT RANGE:SLA SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:PLUG IN; SWITCHING VOLTAGE MAX:240VA ...
    ✓ IN STOCK!
    $196.00 Buy New $196.00
    $145.32
    Repair Yours $300.00
    MARSH BELLOFRAM SLA-230-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-230-ALE

    RELAY, SLA SERIES, PHASE MONITORING, 190-270 VAC, 5A @ 240 V, 9-PIN, SCREW TERMINAL
    ✓ IN STOCK!
    $290.00 Buy New $290.00
    $192.00
    Repair Yours $300.00
    MARSH BELLOFRAM SLA-440-ALER

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-440-ALER

    PHASE MONITORING RELAY, 430-480 V, SPDT, 3A/600VAC, SCREW TERMINAL, SLA SERIES
    ✓ IN STOCK!
    $720.00 Buy New $720.00
    $422.65
    Repair Yours $318.00
    MARSH BELLOFRAM SLA-460-AFE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-460-AFE

    PHASE MONITOR/RELAY, 460VAC , 3 PHASE
    ✓ IN STOCK!
    $806.00 Buy New $806.00
    $306.37
    Repair Yours $303.32
    LITTELFUSE 250A

    LITTELFUSE

    250A

    PHASE RELAY, DPDT, 190-480V, PANEL, PRODUCT RANGE:250A SERIES, PANEL MOUNT, SCREW TERMINATION, ROHS COMPLIANT
    ✓ IN STOCK!
    $341.99 Buy Surplus As Low As $205.19
    $205.19
    Repair Yours $300.00
    LITTELFUSE PLM9405

    LITTELFUSE

    PLM9405

    PHASE RELAY, SPDT, 400-480V, SOCKET; PRODUCT RANGE:PLM SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:QUICK CONNECT; SWITCHING VOLTAGE MAX:24 ...
    ✓ IN STOCK!
    $223.74 Buy Surplus As Low As $170.04
    $170.04
    Repair Yours $300.00
    OMRON SDV-B-6

    OMRON

    SDV-B-6

    VOLTAGE SENSOR, 110VAC, 8PIN, 4-10V PICK UP, 70-95% OF PICK UP DROP OUT
    ✓ IN STOCK!
    $234.72 Buy Surplus As Low As $87.78
    $87.78
    Repair Yours $300.00
    GOTRONIC 585109

    GOTRONIC

    585109

    POWER LINE MONITOR,480VAC,50/60HZ
    ✓ IN STOCK!
    $372.84 Buy Surplus As Low As $176.61
    $176.61
    Repair Yours $300.00
    ASEA BROWN BOVERI CM-SRS.22S

    ASEA BROWN BOVERI

    CM-SRS.22S

    CURRENT MONITORING RELAY, 24-240V AC/DC, 50/60 HZ, OVER- OR UNDERCURRENT MONITORING, SCREW TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    $626.00 Buy Surplus As Low As $230.64
    $230.64
    Repair Yours $300.00
    BROYCE CONTROL LPRT/2 400V

    BROYCE CONTROL

    LPRT/2 400V

    UNDER VOLTAGE MONITORING RELAY, 3 PHASE, 243-540 VAC, 48-63 HZ, 50 MS RESPONSE TIME, DPDT, DIN RAIL MOUNT
    ✓ IN STOCK!
    $104.00 Buy Surplus As Low As $80.00
    $80.00
    SYMCOM 201-200-DPDT-60MS

    SYMCOM

    201-200-DPDT-60MS

    VOLTAGE MONIOR, 3-PHASE MOTOR PROTECTION, USED ON 120V OR 240V, 50/60HZ MOTORS TO PROTECT FROM DAMAGE CAUSED BY SINGLE PHASING, LOW VOLTAGE, PHASE REVERSAL, AND VOLTAGE UNBALANCE,
    ✓ IN STOCK!
    $93.79 Buy Surplus As Low As $51.97
    $51.97
    BENDER RCM470LY

    BENDER

    RCM470LY

    DISCONTINUED BY MANUFACTURER, RESIDUAL CURRENT MONITOR, 230 VAC SUPPLY, 40-400 HZ, 0-10 SECOND RESPONSE DELAY +/- 20%, 180 OHM CIRCUIT RESISTANCE, -10 TO +55 DEGREE C OPERATING TEMPERATURE, ...
    ✓ IN STOCK!
    Buy Surplus As Low As $599.21
    $599.21
    Repair Yours $474.00
    RADWELL RAD-PM-002

    RADWELL

    RAD-PM-002

    PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    $180.00 Buy New $180.00
    $91.50
    Repair Yours $300.00
    RADWELL VERIFIED SUBSTITUTE D65VMLS480-SUB

    RADWELL VERIFIED SUBSTITUTE

    D65VMLS480-SUB

    SUBSTITUTE FOR EATON CORPORATION D65VMLS480, PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABL ...
    ✓ IN STOCK!
    $180.00 Buy New $180.00
    Repair Yours Contact Us
    RADWELL VERIFIED SUBSTITUTE PMDU-SUB

    RADWELL VERIFIED SUBSTITUTE

    PMDU-SUB

    SUBSTITUTE FOR MACROMATIC PMDU , PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    $125.00 Buy New $125.00
    Repair Yours $300.00
    INVENSYS P0927AG

    INVENSYS

    FOXBORO

    P0927AG

    DISCONTINUED BY MANUFACTURER, CONTROL VOLTAGE MONITOR, I/O MONITOR, 32 X CHANNELS, 16 X DIGITAL INPUTS, 16 X DIGITAL OUTPUTS, OPERATING TEMPERATURE: -20 TO 70 C, RELATIVE HUMIDITY: 5 TO 95% ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,576.05
    $1,576.05
    Repair Yours $1,245.00
    RADWELL RAD-PM-003

    RADWELL

    RAD-PM-003

    PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    $114.00 Buy New $114.00
    $61.52
    RADWELL VERIFIED SUBSTITUTE PLM9805-SUB

    RADWELL VERIFIED SUBSTITUTE

    PLM9805-SUB

    SUBSTITUTE FOR ASEA BROWN BOVERI SYMCOM PLM9805, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 480VAC, 10A, SPDT
    ✓ IN STOCK!
    $119.00 Buy New $119.00
    MARSH BELLOFRAM SLB-400-ALEA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLB-400-ALEA

    PHASE UNBALANCE & LOSS & PHASE SEQUENCE MONITOR/RELAY, LED STATUS INDICATOR, 3.25 IN X 4 IN X 3 IN, MOUNTING:SURFACE, OUTPUT RELAY:SPDT
    ✓ IN STOCK!
    Buy Surplus As Low As $157.57
    $157.57
    Repair Yours $300.00
    MARSH BELLOFRAM SLD-230-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLD-230-ALE

    PHASE VOLTAGE MONITOR, 208/240 VAC, 185-230 V UNDER VOLTAGE DROPOUT RANGE, 3 VA, 5 VAC HYSTERESIS, DPDT OUTPUT
    ✓ IN STOCK!
    $821.00 Buy New $821.00
    $514.14
    Repair Yours $377.00
    MARSH BELLOFRAM SLU-0200

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLU-0200

    PHASE MONITORING RELAY, SPDT, 200-500VAC; PRODUCT RANGE:-; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:PLUG IN; SWITCHING VOLTAGE MAX:240VAC; SUPP ...
    ✓ IN STOCK!
    $207.00 Buy New $207.00
    $137.00
    Repair Yours $300.00
    MARSH BELLOFRAM SLU-0201

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLU-0201

    PHASE MONITOR, RAPID CYCLE LOCKOUT, DIAGNOSTIC LED, UNIV PH. MON/RLY AUTO RESET RAPID CYCLE LK LED DIAG.
    ✓ IN STOCK!
    $200.00 Buy New $200.00
    $120.00
    MARSH BELLOFRAM PBC-120/208-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBC-120/208-ALE

    PHASE VOLTAGE MONITORS, WYE, ADJUSTABLE 3 PHASE-VOLTAGE MONITOR
    ✓ IN STOCK!
    $710.00 Buy New $710.00
    $345.17
    Repair Yours $339.00
    MARSH BELLOFRAM PBC-120-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBC-120-ALE

    PHASE VOLTAGE MONITORS
    ✓ IN STOCK!
    $707.00 Buy New $707.00
    $538.00
    Repair Yours $300.00
    MARSH BELLOFRAM PBC-440-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBC-440-ALE

    PHASE VOLTAGE MONITORS, 3 PHASE-VOLTAGE MONITOR, DELTA, 390V-540V
    ✓ IN STOCK!
    $720.00 Buy New $720.00
    $271.12
    Repair Yours $300.00
    MARSH BELLOFRAM PBC-480-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBC-480-ALE

    PHASE VOLTAGE MONITOR,3 PHASE, 480 VAC, DPDT OUTPUT RELAY
    ✓ IN STOCK!
    $767.00 Buy New $767.00
    $226.76
    Repair Yours $300.00
    MARSH BELLOFRAM PBD-120-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBD-120-ALE

    PHASE SEQUENCE AND VOLTAGE MONITOR, SERIES PBD, NO OF PHASES3, VOLTAGE SUPPORTED 120 VOLTS, HI PWR (OVER VLTG) TRIP , LO PWR (UNDER VLTG) TRIP, TYPE OF DISPLAY LED STATUS INDICATOR
    ✓ IN STOCK!
    $856.00 Buy New $856.00
    $565.00
    Repair Yours $427.00
    MARSH BELLOFRAM PRA-100-AFN

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PRA-100-AFN

    PHASE SEQUENCE MONITOR,
    ✓ IN STOCK!
    $321.00 Buy New $321.00
    $212.00
    Repair Yours $300.00
    MARSH BELLOFRAM PRA-100-AFN-400

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PRA-100-AFN-400

    PHASE SEQUENCE MONITOR RELAY 10AMP 208-480VAC
    ✓ IN STOCK!
    $51.07 Buy New $51.07
    $39.29
    Repair Yours $300.00
    MARSH BELLOFRAM SUA-380-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SUA-380-ASA

    PHASE MONITOR RELAY,
    ✓ IN STOCK!
    $341.00 Buy New $341.00
    $159.42
    Repair Yours $300.00
    MARSH BELLOFRAM SUA-440-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SUA-440-ASA

    MONITORING RELAY, OPERATING VOLTAGE 430-480 ADJUSTABLE, 10 AMPS, ADJUSTMENT SCREW, OUTPUT RESISTIVE @ 240 VAC, 8 PIN OCTAL, SUA SERIES
    ✓ IN STOCK!
    $229.00 Buy New $229.00
    $144.32
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-110-DLA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-110-DLA

    VOLTAGE MONITORING RELAY, UOA SERIES, 92-125 VDC DROP-OUT, 97-130 VDC PICK-UP, 5 V HYSTERESIS, LOCKNUT ADJUSTMENT
    ✓ IN STOCK!
    $265.00 Buy New $265.00
    $155.00
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-120-AKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-120-AKA

    VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, KNOB ADJUSTMENTS, DPDT, 8-PIN OCTAL
    ✓ IN STOCK!
    $212.00 Buy New $212.00
    $130.83
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-120-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-120-ALA

    VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, 5 V HYSTERESIS, DPDT, LOCKNUT, 8-PIN OCTAL
    ✓ IN STOCK!
    $212.00 Buy New $212.00
    $162.00
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-208-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-208-ALA

    SINGLE PHASE UNDER VOLTAGE MONITOR/RELAY
    ✓ IN STOCK!
    $252.00 Buy New $252.00
    $167.00
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-240-AKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-240-AKA

    UNDER VOLTAGE MONITOR, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, KNOB ADJUSTMENT, 8 PIN
    ✓ IN STOCK!
    $253.00 Buy New $253.00
    $167.00
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-240-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-240-ALA

    VOLTAGE MONITORING RELAY, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, LOCKNUT ADJUSTMENT, DPDT, 8-PIN OCTAL
    ✓ IN STOCK!
    $279.00 Buy New $279.00
    $216.49
    Repair Yours $300.00
    MARSH BELLOFRAM VBA-12-DLA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-12-DLA

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    $529.00 Buy New $529.00
    $403.00
    Repair Yours $300.00
    MACROMATIC PCPU

    MACROMATIC

    PCPU

    MONITOR RELAY, 3-PHASE, 190-500VAC, 8 PIN SPDT, 10AMP, PHASE REVERSAL - FIXED TRIP
    ✓ IN STOCK!
    $108.95 Buy New $108.95
    $44.00
    MACROMATIC PLP575

    MACROMATIC

    PLP575

    3-PHASE MONITOR RELAY, 575 VAC, 8 PIN SPDT 10 AMP RELAY, PHASE LOSS, PHASE REVERSAL - FIXED
    ✓ IN STOCK!
    $122.75 Buy New $122.75
    $81.00
    Repair Yours $300.00
    MACROMATIC VMP480A

    MACROMATIC

    VMP480A

    VOLTAGE MONITOR RELAY FOR 480 VAC, 10 AMP RELAY, DPDT, ADJ PICK UP, FIXED DROP OUT AND TRIP DELAY, PLUG-IN
    ✓ IN STOCK!
    $140.00 Buy New $140.00
    $107.00
    Repair Yours $300.00
    OMRON K8DT-AW3TA

    OMRON

    K8DT-AW3TA

    CURRENT MONITORING RLY, SPST, 240V, DIN, PRODUCT RANGE:K8DT-AW SERIES, CONTACT CONFIGURATION:SPST-NO, CONTACT CURRENT:5A, RELAY MOUNTING:DIN RAIL, CONTACT VOLTAGE VAC:250V, RELAY TERMINALS:S ...
    ✓ IN STOCK!
    $479.00 Buy Surplus As Low As $288.00
    $288.00
    Repair Yours $300.00
    OMRON K8DT-AS3CD

    OMRON

    K8DT-AS3CD

    CURRENT MONITORING RLY, SPDT, 24V, DIN, PRODUCT RANGE:K8DT-AS SERIES, CONTACT CONFIGURATION:SPDT, CONTACT CURRENT:-, RELAY MOUNTING:DIN RAIL, CONTACT VOLTAGE VAC:-, RELAY TERMINALS:SCREW, CO ...
    ✓ IN STOCK!
    $436.00 Buy Surplus As Low As $162.63
    $162.63
    Repair Yours $300.00
    OMRON K8DT-AW2TA

    OMRON

    K8DT-AW2TA

    CURRENT MONITORING RLY, SPST, 240V, DIN, PRODUCT RANGE:K8DT-AW SERIES, CONTACT CONFIGURATION:SPST-NO, CONTACT CURRENT:-, RELAY MOUNTING:DIN RAIL, CONTACT VOLTAGE VAC:-, RELAY TERMINALS:SCREW ...
    ✓ IN STOCK!
    $479.00 Buy Surplus As Low As $365.00
    $365.00
    Repair Yours $300.00
    OMRON K8DT-AW1TD

    OMRON

    K8DT-AW1TD

    MEASURING AND MONITORING, CURRENT RELAY, 1-PHASE, 24VAC, DIN RAIL, 50/60HZ
    ✓ IN STOCK!
    $262.00 Buy Surplus As Low As $142.20
    $142.20
    Repair Yours $300.00
    ASEA BROWN BOVERI WLM945A5S

    ASEA BROWN BOVERI

    SSAC

    WLM945A5S

    SSAC, ASEA BROWN BOVERI, WLM945A5S, VOLTAGE MONITOR THREE PHASE, 400-480VAC, 5SEC TRIP DELAY, 5SEC RESTART DELAY,
    ✓ IN STOCK!
    $162.66 Buy Surplus As Low As $85.61
    $85.61
    Repair Yours $300.00
    MOTOR PROTECTION ELEC. INC 001-DVM-1212

    MOTOR PROTECTION ELEC. INC

    001-DVM-1212

    PHASE MONITOR, 10AMP, 240VAC, DPDT, 12PIN, PLUG IN, RECTANGULAR, REPLACES 001-230-1212
    ✓ IN STOCK!
    $178.93 Buy Surplus As Low As $105.04
    $105.04
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