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    Results 1-50 of 628.
    SCHWEITZER ENGINEERING 3350#4KKFA

    SCHWEITZER ENGINEERING

    3350#4KKFA

    SEL-3350 AUTOMATION CONTROLLER COMPUTING PLATFORM 1.6 GHZ PROCESSOR
    $16,292.79 Buy Surplus As Low As $9,776.26
    $9,776.26
    Repair Yours $8,114.71
    SCHWEITZER ENGINEERING SEL-3555-2-3555#7BC4

    SCHWEITZER ENGINEERING

    SEL-3555-2-3555#7BC4

    REAL-TIME AUTOMATION CONTROLLER / RTAC, MODEL SEL-3555-2, TYPE 1, PD2
    $22,112.00 Buy Surplus As Low As $13,268.00
    $13,268.00
    Repair Yours $11,013.00
    SCHWEITZER ENGINEERING SEL-487E-0487E31611XXC2X4H74474X

    SCHWEITZER ENGINEERING

    SEL-487E-0487E31611XXC2X4H74474X

    TRANSFORMER PROTECTION RELAY, SEL-487E, 110-240 VAC, 125-250 VDC, FTP / TELNET / DNP3 LAN/WAN / PRP, CONVENTIONAL SECONDARY INPUT, HORIZONTAL RACK MOUNT
    $21,732.00 Buy Surplus As Low As $13,040.00
    $13,040.00
    Repair Yours $10,824.00
    SCHWEITZER ENGINEERING 2664S01XX83

    SCHWEITZER ENGINEERING

    2664S01XX83

    STATOR GROUND PROTECTION RELAY, INPUT 110-250V, 50/60 HZ, 120 W, MULTI-PORT
    ✓ IN STOCK!
    $20,130.00 Buy Surplus As Low As $12,078.00
    $12,078.00
    Repair Yours $10,025.00
    SCHWEITZER ENGINEERING 35303B1D1211A0XXXXXX

    SCHWEITZER ENGINEERING

    35303B1D1211A0XXXXXX

    REAL-TIME AUTOMATION CONTROLLER, LEGACY, SEL-3530, PROTECTION SYSTEM RELAY, MOUNTING: 3U HORIZONTAL PANEL MOUNT, 48-125VDC, 120VAC
    $14,522.00 Buy Surplus As Low As $8,714.00
    $8,714.00
    Repair Yours $7,232.00
    SCHWEITZER ENGINEERING 333235X7X4X31KVVAF3

    SCHWEITZER ENGINEERING

    333235X7X4X31KVVAF3

    INTELLIGENT SERVER 48/125VDC 120VAC
    Buy Surplus As Low As $8,670.00
    $8,670.00
    Repair Yours $7,200.00
    SCHWEITZER ENGINEERING SEL-487E-0487E31611XXC7X4H74474X

    SCHWEITZER ENGINEERING

    SEL-487E-0487E31611XXC7X4H74474X

    DISCONTINUED BY MANUFACTURER, TRANSFORMER PROTECTION RELAY, SEL-487E, 35 W, 125-250 / 110-240 V, 50/60 HZ, SUGGESTED REPLACEMENT SEL-487E-0487E31611XXC2X4H74474X
    Buy Surplus As Low As $7,903.00
    $7,903.00
    Repair Yours $6,560.00
    SCHWEITZER ENGINEERING SEL-387E-0387E003X53XX41

    SCHWEITZER ENGINEERING

    SEL-387E-0387E003X53XX41

    CURRENT DIFFERENTIAL AND VOLTAGE RELAY, STANDARD FIRMWARE, I/O / 2U, 48/125 VDC OR 125 VAC, SECONDARY INPUT VOLT / 300 VAC MAX, SECONDARY INPUT CURRENT / 5 A PHASE, 125 VDC, HORIZONTAL PANEL ...
    $12,729.00 Buy Surplus As Low As $7,638.00
    $7,638.00
    Repair Yours $6,340.00
    SCHWEITZER ENGINEERING SEL-387-0387514X5H2X4X1

    SCHWEITZER ENGINEERING

    SEL-387-0387514X5H2X4X1

    RELAY, CURRENT DIFFERENTIAL / OVERCURRENT, 25 W, 125/250 V, 50/60 HZ
    $12,697.00 Buy Surplus As Low As $7,619.00
    $7,619.00
    Repair Yours $6,324.00
    SCHWEITZER ENGINEERING SEL-311L-1-0311L1HDC4254XXXX

    SCHWEITZER ENGINEERING

    SEL-311L-1-0311L1HDC4254XXXX

    LINE CURRENT DIFFERENTIAL PROTECTION AND AUTOMATION SYSTEM, INPUT / 5AMP / 125VDC, POWER SUPPLY:125/250VAC/DC, HORIZONTAL RACK MOUNT
    $12,774.00 Buy Surplus As Low As $7,665.00
    $7,665.00
    Repair Yours $6,147.00
    SCHWEITZER ENGINEERING SEL-311L-1-0311L1HBB3254X1XX

    SCHWEITZER ENGINEERING

    SEL-311L-1-0311L1HBB3254X1XX

    7 LINE CURRENT DIFFERENTIAL SYSTEM, STANDARD FIRMWARE, STANDARD PLUS SERIAL DNP3, 3U CHASSIS, ISOLATED G.703 CO-DIRECTIONAL, 5 AMP, 48/125 VCD / 125 VAC, HORIZONTAL RACK MOUNT
    $12,200.00 Buy Surplus As Low As $7,320.00
    $7,320.00
    Repair Yours $6,076.00
    SCHWEITZER ENGINEERING SEL-710

    SCHWEITZER ENGINEERING

    SEL-710

    ***DO NOT USE / MODEL NUMBER ONLY***, PROTECTION RELAY MOTOR, 110-250V, 10RTD, INPUT 5AMP
    $12,120.00 Buy Surplus As Low As $7,272.00
    $7,272.00
    Repair Yours $5,976.00
    SCHWEITZER ENGINEERING SEL-487B-0487B1X2X52XB0XE39PEEEX

    SCHWEITZER ENGINEERING

    SEL-487B-0487B1X2X52XB0XE39PEEEX

    BUS DIFFERENTIAL / BREAKER FAILURE RELAY, PROTECTION AUTOMATION CONTROL, MODEL SEL-487B, 5 AMP / 67-250 VAC, POWER SUPPLY / 35 W / 24-48V
    $11,289.00 Buy Surplus As Low As $6,774.00
    $6,774.00
    Repair Yours $5,671.00
    SCHWEITZER ENGINEERING 04515415XC0X44224XXX1

    SCHWEITZER ENGINEERING

    04515415XC0X44224XXX1

    RELAY CONTROL SYSTEM, CONVENTIONAL SECONDARY INPUTS, (451#3NQV)
    $10,876.00 Buy Surplus As Low As $6,526.00
    $6,526.00
    Repair Yours $5,417.00
    SCHWEITZER ENGINEERING SEL-311L-0311L03D03254XXXX

    SCHWEITZER ENGINEERING

    SEL-311L-0311L03D03254XXXX

    RELAY, LINE CURRENT DIFFERENTIAL PROTECTION AND AUTOMATION SYSTEM, SEL-311L, SPECIAL SPEC-180, INPUT / 5AMP / 125VDC, POWER SUPPLY / 125 VAC / 48/125 VDC / 50/60 HZ, HORIZONTAL RACK MOUNT
    $10,812.00 Buy Surplus As Low As $6,488.00
    $6,488.00
    Repair Yours $5,406.00
    SCHWEITZER ENGINEERING 04515615XB4X4H324XXXX

    SCHWEITZER ENGINEERING

    04515615XB4X4H324XXXX

    SEL-451 WITH CONVENTIONALSECONDARY INPUTS, POWER SUPPLY -- 125-250 VDC OR 110-240 VAC, SECONDARY INPUT CURRENT -- 5 A PHASE, SECONDARY INPUT VOLTAGE -- 300 V PHASE
    $10,731.00 Buy Surplus As Low As $6,439.00
    $6,439.00
    Repair Yours $5,345.00
    SCHWEITZER ENGINEERING 0700G11ACA2X7685A660

    SCHWEITZER ENGINEERING

    0700G11ACA2X7685A660

    TRANSFORMER PROTECTION RELAY, BASIC GENERATOR PROTECTION PLUS 87, 5" TOUCH SCREEN, 8 BUTTON, 700G#X9FE, SEL-700G-0-1-T-W
    $10,666.00 Buy Surplus As Low As $6,400.00
    $6,400.00
    Repair Yours $5,312.00
    SCHWEITZER ENGINEERING 0311L1HAA3254X22X

    SCHWEITZER ENGINEERING

    0311L1HAA3254X22X

    DIFFERENTIAL SYSTEM, SEL-311L-1, -7 LINE CURRENT, 311L#DNGN
    $10,500.00 Buy Surplus As Low As $6,300.00
    $6,300.00
    Repair Yours $5,229.00
    SCHWEITZER ENGINEERING 03870Y4X5H2X4XX

    SCHWEITZER ENGINEERING

    03870Y4X5H2X4XX

    SEL-387, CURRENT DIFFERENTIAL, OVERCURRENT RELAY, FOUR 3 PHASE CURRENT INPUTS
    ✓ IN STOCK!
    $9,297.00 Buy Surplus As Low As $5,578.20
    $5,578.20
    Repair Yours $5,144.34
    SCHWEITZER ENGINEERING SEL-AMS-400000110

    SCHWEITZER ENGINEERING

    SEL-AMS-400000110

    RELAY TEST SYSTEM MODULE, ADAPTIVE MULTICHANNEL SOURCE, MODEL SEL-AMS, 96-144 VAC, 47-63 HZ
    $10,243.00 Buy Surplus As Low As $6,146.00
    $6,146.00
    Repair Yours $5,101.18
    SCHWEITZER ENGINEERING SEL-311L-1-0311L1HCA4254XXXX

    SCHWEITZER ENGINEERING

    SEL-311L-1-0311L1HCA4254XXXX

    RELAY, LINE CURRENT DIFFERENTIAL PROTECTION AND AUTOMATION SYSTEM, INPUT / 5AMP / 125VDC, POWER SUPPLY / 125/250VAC/DC, HORIZONTAL RACK MOUNT
    $12,909.00 Buy Surplus As Low As $7,746.00
    $7,746.00
    Repair Yours $4,990.00
    SCHWEITZER ENGINEERING SEL-3530-35303A0XX211X1XXXXXX

    SCHWEITZER ENGINEERING

    SEL-3530-35303A0XX211X1XXXXXX

    CONTROLLER / REAL-TIME AUTOMATION, LEGACY, TWO 10/100BASE-T, 17 EIA 232/EIA-485 REAR SERIAL PORTS, 120-240 VAC / 125-250 VDC, 3U CHASSIS / 5.25 INCH HEIGHT, HORIZONTAL PANEL MOUNT, WITH CONF ...
    ✓ IN STOCK!
    $9,833.00 Buy Surplus As Low As $7,474.00
    $7,474.00
    Repair Yours $4,897.00
    SCHWEITZER ENGINEERING 04515615XC0X431XXXXXX

    SCHWEITZER ENGINEERING

    04515615XC0X431XXXXXX

    SEL-451 WITH CONVENTIONAL SECONDARY INPUTS, SECONDARY INPUT CURRENT - 5 A PHASE, SECONDARY INPUT VOLTAGE - 300 V PHASE - NEUTRAL MAXIMUM (WYE)
    $9,646.00 Buy Surplus As Low As $5,788.00
    $5,788.00
    Repair Yours $4,805.00
    SCHWEITZER ENGINEERING 710#X52E

    SCHWEITZER ENGINEERING

    710#X52E

    MOTOR PROTECTION RELAY, SEL-710 SERIES, ETHERNET/IP, (071001ACA9X72850831)
    $9,907.00 Buy Surplus As Low As $5,945.00
    $5,945.00
    Repair Yours $4,790.00
    SCHWEITZER ENGINEERING SEL-121F-X-4256MHNB

    SCHWEITZER ENGINEERING

    SEL-121F-X-4256MHNB

    DISCONTINUED BY MANUFACTURER, PHASE AND GROUND DISTANCE RELAY, 12W, 125VAC/DC
    ✓ IN STOCK!
    Buy Surplus As Low As $5,700.00
    $5,700.00
    Repair Yours $4,750.00
    SCHWEITZER ENGINEERING 07872EE1ACA0X7985A660

    SCHWEITZER ENGINEERING

    07872EE1ACA0X7985A660

    TRANSFORMER PROTECTION RELAY, TWO-WINDING CURRENT DIFFERENTIAL, 1 NEUTRAL CURRENT AND 3 VOLTAGE INPUTS, 110/250VDC
    $9,387.00 Buy Surplus As Low As $5,633.00
    $5,633.00
    Repair Yours $4,676.00
    SCHWEITZER ENGINEERING SEL-121D-121D00-425MHGB

    SCHWEITZER ENGINEERING

    SEL-121D-121D00-425MHGB

    DISCONTINUED BY MANUFACTURER, PHASE AND DISTANCE GROUND RELAY, DIRECTIONAL, FAULT LOCATOR, INPUT / 12W / 125VAC/DC, INPUT / 125VDC
    Buy Surplus As Low As $5,520.00
    $5,520.00
    Repair Yours $4,600.00
    SCHWEITZER ENGINEERING SEL-121D-121D00-4356MHGB

    SCHWEITZER ENGINEERING

    SEL-121D-121D00-4356MHGB

    DISCONTINUED BY MANUFACTURER, PHASE AND GROUND DISTANCE RELAY, PROTECTION SYSTEM, INPUT 125VDC, POWER SUPPLY / 12W / 125VAC/DC
    Buy Surplus As Low As $5,520.00
    $5,520.00
    Repair Yours $4,600.00
    SCHWEITZER ENGINEERING SEL-121D-121D00-4256MHSB

    SCHWEITZER ENGINEERING

    SEL-121D-121D00-4256MHSB

    DISCONTINUED BY MANUFACTURER, PHASE AND GROUND DISTANCE RELAY, PROTECTION SYSTEM, INPUT 125VDC, POWER SUPPLY / 12W / 125VAC/DC
    Buy Surplus As Low As $5,520.00
    $5,520.00
    Repair Yours $4,600.00
    SCHWEITZER ENGINEERING SEL-351-035173C3D546X1

    SCHWEITZER ENGINEERING

    SEL-351-035173C3D546X1

    PROTECTION SYSTEM, SEL-351, 8 INPUT, 12 HIGH I/C OUTPUT, 5 AMP PHASE / NEUTRAL, 120 VAC, 48/125 VDC, STANDARD USER INTERFACE, HORIZONTAL RACK MOUNT
    $9,003.00 Buy Surplus As Low As $5,402.00
    $5,402.00
    Repair Yours $4,484.00
    SCHWEITZER ENGINEERING SEL-587Z-0587Z0X625312XX

    SCHWEITZER ENGINEERING

    SEL-587Z-0587Z0X625312XX

    DIFFERENTIAL RELAY, HIGH-IMPEDANCE, 125-250 V, 2 MOVS - 5000 J 2000 V, 5 A PHASE
    $8,985.00 Buy Surplus As Low As $5,391.00
    $5,391.00
    Repair Yours $4,475.00
    SCHWEITZER ENGINEERING 0351S7X363A54X1

    SCHWEITZER ENGINEERING

    0351S7X363A54X1

    DISCONTINUED BY MANUFACTURER, REPLACED BY 0351S7XHB3E54X1, SEL-351S PROTECTIONSYSTEM, 3U HORIZONTAL RACK MOUNT, 48/125 VDC OR 120 VAC, 10/100BASE-T, EIA-485, 5 A PHASE, 5 A NEUTRAL
    Buy Surplus As Low As $5,351.00
    $5,351.00
    Repair Yours $4,442.00
    SCHWEITZER ENGINEERING 0735LX20944EXXDXXX26202XX

    SCHWEITZER ENGINEERING

    0735LX20944EXXDXXX26202XX

    SEL-735POWER METERCOLOR TOUCHSCREEN DISPLAY
    $8,850.00 Buy Surplus As Low As $5,310.00
    $5,310.00
    Repair Yours $4,408.00
    SCHWEITZER ENGINEERING SEL-735-0735LX20644EXXXXXX16202DX

    SCHWEITZER ENGINEERING

    SEL-735-0735LX20644EXXXXXX16202DX

    POWER METER, COLOR TOUCHSCREEN, FORM 36 METERING FORM, SLOT A POWER SUPPLY VOLTAGE, 110-240 VAC 50/60 HZ 110-250 VDC, CONTROL INPUT VOLTAGE 125 VDC/VAC
    $8,832.00 Buy Surplus As Low As $5,300.00
    $5,300.00
    Repair Yours $4,399.00
    SCHWEITZER ENGINEERING 0387613X554X4XX

    SCHWEITZER ENGINEERING

    0387613X554X4XX

    RELAY 5AMP 16INPUT 125V AC/DC
    Buy Surplus As Low As $5,190.00
    $5,190.00
    Repair Yours $4,350.00
    SCHWEITZER ENGINEERING SEL-121F-121F00-4256MHSB

    SCHWEITZER ENGINEERING

    SEL-121F-121F00-4256MHSB

    DISCONTINUED BY MANUFACTURER, PHASE AND GROUND DISTANCE RELAY, PROTECTION SYSTEM, DIRECTIONAL, SYNCHRONISM CHECKING, RECLOSING, FAULT LOCATOR, 85-200VAC/DC
    Buy Surplus As Low As $5,160.00
    $5,160.00
    Repair Yours $4,300.00
    SCHWEITZER ENGINEERING 751A01ACA0X74851000

    SCHWEITZER ENGINEERING

    751A01ACA0X74851000

    FEEDER PROTECTION RELAY, 110-250 VDC, 110-240 VAC SUPPLY, 50/60 HZ, PUSHBUTTON INTERFACE, DIGITAL DISPLAY
    ✓ IN STOCK!
    $7,756.20 Buy Surplus As Low As $4,653.72
    $4,653.72
    Repair Yours $4,292.00
    SCHWEITZER ENGINEERING 0351S7X5B3E5421

    SCHWEITZER ENGINEERING

    0351S7X5B3E5421

    PROTECTION SYSTEM, SEL-351S, FEEDER PROTECTION, WIDE-AREA POWER SYSTEM EVEN MONITORING USING IEEE C37.118 SYNCHROPHASORS
    $8,612.00 Buy Surplus As Low As $5,168.00
    $5,168.00
    Repair Yours $4,290.00
    SCHWEITZER ENGINEERING SEL-411L

    SCHWEITZER ENGINEERING

    SEL-411L

    ADVANCE LINE DIFFERENTIAL PROTECTION, AUTOMATION, AND CONTROL SYSTEM, MODEL 0411L0X4X5B6DCXH524E4XX
    $9,026.00 Buy Surplus As Low As $4,513.00
    $4,513.00
    Repair Yours $4,288.00
    SCHWEITZER ENGINEERING 0387E013X5H2X42

    SCHWEITZER ENGINEERING

    0387E013X5H2X42

    SEL-387E CURRENT DIFFERENTIAL AND VOLTAGE RELAY
    $8,979.00 Buy Surplus As Low As $4,490.00
    $4,490.00
    Repair Yours $4,265.00
    SCHWEITZER ENGINEERING 221F00-4256MHVB

    SCHWEITZER ENGINEERING

    221F00-4256MHVB

    PHASE & GROUND PROTECTION RELAY SEL-221F 125VAC/DC
    Buy Surplus As Low As $5,100.00
    $5,100.00
    Repair Yours $4,250.00
    SCHWEITZER ENGINEERING SEL-121F-121F00-4256MHGB

    SCHWEITZER ENGINEERING

    SEL-121F-121F00-4256MHGB

    DISCONTINUED BY MANUFACTURER, PHASE AND GROUND DISTANCE RELAY, PROTECTION SYSTEM, DIRECTIONAL, SYNCHRONISM CHECKING, RECLOSING, FAULT LOCATOR, 85-200VAC/DC
    Buy Surplus As Low As $5,010.00
    $5,010.00
    Repair Yours $4,200.00
    SCHWEITZER ENGINEERING SEL-387-0387004X53XX4XX

    SCHWEITZER ENGINEERING

    SEL-387-0387004X53XX4XX

    RELAY, CURRENT DIFFERENTIAL AND OVER-CURRENT, STANDARD, 5AMP, 12VDC, POWER SUPPLY / 85-264VAC/DC
    $8,374.00 Buy Surplus As Low As $5,025.00
    $5,025.00
    Repair Yours $4,187.00
    SCHWEITZER ENGINEERING SEL-321-3212B4256HNB554

    SCHWEITZER ENGINEERING

    SEL-321-3212B4256HNB554

    RELAY, PHASE AND GROUND DISTANCE RELAY, DIRECTIONAL OVERCURRENT RELAY, FSULT LOCATOR, 25W, 125V 50/60HZ
    ✓ IN STOCK!
    $8,374.00 Buy Surplus As Low As $4,869.23
    $4,869.23
    Repair Yours $4,170.75
    SCHWEITZER ENGINEERING SEL-3620

    SCHWEITZER ENGINEERING

    SEL-3620

    ETHERNET SECURITY GATEWAY, VPN ENDPOINT, LED STATUS INDICATORS, 16 COM PORT, USB A AND B
    $8,360.00 Buy Surplus As Low As $5,016.00
    $5,016.00
    Repair Yours $4,164.00
    SCHWEITZER ENGINEERING SEL-387E-0387E003X5HXX1X

    SCHWEITZER ENGINEERING

    SEL-387E-0387E003X5HXX1X

    DISCONTINUED BY MANUFACTURER, RELAY, DIFFERENTIAL AND VOLTAGE, SEL-387E, POWER SUPPLY / 40 W / 120 VAC / 48-124 VDC / 50/60 HZ, LOGIC INPUT / 5 AMP / 0-300 VAC / 24 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $5,506.20
    $5,506.20
    Repair Yours $4,050.00
    SCHWEITZER ENGINEERING SEL-735 0735LX20944EXXXXXX16101CX

    SCHWEITZER ENGINEERING

    SEL-735 0735LX20944EXXXXXX16101CX

    SEL-7POWER METER, COLOR TOUCHSCREEN DISPLAY, METERING FORM 9
    $8,065.00 Buy Surplus As Low As $4,839.00
    $4,839.00
    Repair Yours $4,017.00
    SCHWEITZER ENGINEERING 0300G1134252X4XXX

    SCHWEITZER ENGINEERING

    0300G1134252X4XXX

    GENERATOR RELAY, SEQUENTIAL EVENTS RECORDER, 48/125 VAC, 50/60 HZ, 25 W
    $11,250.00 Buy Surplus As Low As $6,750.00
    $6,750.00
    Repair Yours $3,990.00
    SCHWEITZER ENGINEERING SEL-352-035211425H5X7XX

    SCHWEITZER ENGINEERING

    SEL-352-035211425H5X7XX

    DISCONTINUED BY MANUFACTURER, BREAKER FAILURE RELAY, 12 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $5,280.00
    $5,280.00
    Repair Yours $3,984.00
    SCHWEITZER ENGINEERING SEL-352-03522Y425H2X6XX

    SCHWEITZER ENGINEERING

    SEL-352-03522Y425H2X6XX

    DISCONTINUED BY MANUFACTURER, BREAKER FAILURE RELAY, 12 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $4,320.00
    $4,320.00
    Repair Yours $3,984.00
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