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    SCHWEITZER ENGINEERING SEL-587

    SCHWEITZER ENGINEERING

    SEL-587

    CURRENT DIFFERENTIAL RELAY, 85140VAC, 36-200VDC, 5.5KW
    ✓ IN STOCK!
    $2,709.21 Buy Surplus As Low As $1,071.00
    $1,071.00
    Repair Yours $1,012.25
    SCHWEITZER ENGINEERING SEL-551C

    SCHWEITZER ENGINEERING

    SEL-551C

    OVERCURRENT/RECLOSING RELAY, 551C#01, 3 OUTPUTS AND 6 LEVEL-SENSITIVE INPUTS (125 VDC CONTROL INPUT VOLTAGE) CONVENTIONAL TERMINAL BLOCKS POWER SUPPLY: 48/125 VDC OR 125 VAC 5 A PHASE, 5 A N ...
    $1,779.00 Buy Surplus As Low As $1,068.00
    $1,068.00
    Repair Yours $887.00
    SCHWEITZER ENGINEERING SEL-551-0551C0AX534X

    SCHWEITZER ENGINEERING

    SEL-551-0551C0AX534X

    DISCONTINUED BY MANUFACTURER, OVERCURRENT PROTECTIVE RELAY, SEL-551, 85-140 VAC, 36-200 VDC, 5.5W MAXIMUM, 125 VDC LOGIC INPUT, EIA-45 SERIAL PORT
    Buy Surplus As Low As $1,110.00
    $1,110.00
    Repair Yours $940.00
    SCHWEITZER ENGINEERING SEL-551-05510W3X5314

    SCHWEITZER ENGINEERING

    SEL-551-05510W3X5314

    RELAY / CONNECTORIZED OVERCURRENT / RECLOSING, MODEL SEL-551, POWER SUPPLY / 48/125 VDC / 125 VAC, SECONDARY INPUT CURRENT / 5 AMP PHASE, 5 AMP NEUTRAL, COMMUNICATIONS PORT / EIA-232, CONTRO ...
    $2,000.00 Buy Surplus As Low As $1,200.00
    $1,200.00
    Repair Yours $996.00
    SCHWEITZER ENGINEERING SEL-551-0551003X532X

    SCHWEITZER ENGINEERING

    SEL-551-0551003X532X

    DISCONTINUED BY MANUFACTURER, OVERCURRENT PROTECTIVE RELAY, SEL-551, 85-140 VAC, 36-200 VDC, 5.5W MAXIMUM, 125 VDC LOGIC INPUT, EIA-45 SERIAL PORT
    ✓ IN STOCK!
    Buy Surplus As Low As $594.75
    $594.75
    Repair Yours $580.76
    SCHWEITZER ENGINEERING SEL-551-0551002X5C2X

    SCHWEITZER ENGINEERING

    SEL-551-0551002X5C2X

    DISCONTINUED BY MANUFACTURER, OVERCURRENT PROTECTIVE RELAY, SEL-551, 85-140 VAC, 36-200 VDC, 5.5W MAXIMUM, 125 VDC LOGIC INPUT, EIA-45 SERIAL PORT
    Buy Surplus As Low As $1,110.00
    $1,110.00
    Repair Yours $940.00
    SCHWEITZER ENGINEERING SEL-501

    SCHWEITZER ENGINEERING

    SEL-501

    INCOMPLETE PART NUMBER, DUAL OVERCURRENT RELAY
    $1,431.00 Buy Surplus As Low As $859.00
    $859.00
    Repair Yours $721.00
    SCHWEITZER ENGINEERING SEL-487V

    SCHWEITZER ENGINEERING

    SEL-487V

    CAPACITOR PROTECTION RELAY,
    $5,936.00 Buy Surplus As Low As $2,968.00
    $2,968.00
    Repair Yours $2,820.00
    SCHWEITZER ENGINEERING SEL-487E#NQPE

    SCHWEITZER ENGINEERING

    SEL-487E#NQPE

    TRANSFORMER PROTECTION RELAY, WITH CONVENTIONAL SECONDARY INPUTS, UP TO SIX 3-PHASE RESTRAINT INPUTS
    $19,285.00 Buy Surplus As Low As $11,571.00
    $11,571.00
    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 SEL-451#6N6G

    SCHWEITZER ENGINEERING

    SEL-451#6N6G

    RELAY CONTROL SYSTEM, 125/250VDC, 120/240VAC, WITH CONVENTIONAL SECONDARY INPUTS
    $13,530.00 Buy Surplus As Low As $8,118.00
    $8,118.00
    Repair Yours $6,738.00
    SCHWEITZER ENGINEERING SEL-421-5

    SCHWEITZER ENGINEERING

    SEL-421-5

    LINE PROTECTION HIGH SPEED W/ SUB-CYCLE ELEMENTS
    $7,346.00 Buy Surplus As Low As $3,673.00
    $3,673.00
    Repair Yours $3,490.00
    SCHWEITZER ENGINEERING SEL-411L#PXR1

    SCHWEITZER ENGINEERING

    SEL-411L#PXR1

    ADVANCE LINE DIFFERENTIAL PROTECTION, AUTOMATION, AND CONTROL SYSTEM, MODEL 0411L026X5C8D0XH52474XX
    $26,987.00 Buy Surplus As Low As $16,193.00
    $16,193.00
    Repair Yours $13,441.00
    SCHWEITZER ENGINEERING SEL-3-IIINT6

    SCHWEITZER ENGINEERING

    SEL-3-IIINT6

    DISCONTINUED BY MANUFACTURER, PC BOARD ASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As $411.38
    $411.38
    Repair Yours $359.41
    SCHWEITZER ENGINEERING SEL-387E

    SCHWEITZER ENGINEERING

    SEL-387E

    ***DO NOT USE / ***INCOMPLETE PART NUMBER / RELAY, DIFFERENTIAL AND VOLTAGE
    Call For Availability
    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-3622

    SCHWEITZER ENGINEERING

    SEL-3622

    SECURITY GATEWAY, POWER SUPPLY, 2 AMP, 12-24 VDC, 5 W
    ✓ IN STOCK!
    $1,240.00 Buy Surplus As Low As $561.46
    $561.46
    Repair Yours $528.52
    SCHWEITZER ENGINEERING SEL-3620

    SCHWEITZER ENGINEERING

    SEL-3620

    ETHERNET SECURITY GATEWAY, VPN ENDPOINT, LED STATUS INDICATORS, 16 COM PORT, USB A AND B
    ✓ IN STOCK!
    $8,360.00 Buy Surplus As Low As $4,022.62
    $4,022.62
    Repair Yours $3,338.77
    SCHWEITZER ENGINEERING SEL-3610

    SCHWEITZER ENGINEERING

    SEL-3610

    PORT SERVER
    $1,749.00 Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $891.00
    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-3555#75HC

    SCHWEITZER ENGINEERING

    SEL-3555#75HC

    REAL TIME AUTOMATION CONTROLLER (RTAC), INTEGRATES UP TO 256 DEVICES, SUPPORTS UP TO 100K DATA POINTS
    $26,466.00 Buy Surplus As Low As $15,880.00
    $15,880.00
    SCHWEITZER ENGINEERING SEL-3530-3530#9J9K

    SCHWEITZER ENGINEERING

    SEL-3530-3530#9J9K

    DISCONTINUED BY MANUFACTURER, REAL-TIME AUTOMATION CONTROLLER, 30 W, 40 VA, 120-240 / 125-250 V, 50/60 HZ, SUGGESTED REPLACEMENT 3350#6J0N
    Buy Surplus As Low As $6,154.00
    $6,154.00
    SCHWEITZER ENGINEERING SEL-3530-3530#72DM

    SCHWEITZER ENGINEERING

    SEL-3530-3530#72DM

    DISCONTINUED BY MANUFACTURER, AUTOMATION CONTROLLER, 30 W, 40 VA, 125-250 V, 50/60 HZ, SUGGESTED REPLACEMENT 3350#6J0N
    Buy Surplus As Low As $6,154.00
    $6,154.00
    SCHWEITZER ENGINEERING SEL-3530

    SCHWEITZER ENGINEERING

    SEL-3530

    DISCONTINUED BY MANUFACTURER, POWER CONTROLLER, REAL-TIME AUTOMATION CONTROLLER (RTAC), 16 SERIAL PORTS, FOR USE IN UTILITY SUBSTATIONS OR INDUSTRIAL CONTROL AND AUTOMATION SYSTEMS
    Buy Surplus As Low As $319.37
    $319.37
    Repair Yours $247.00
    SCHWEITZER ENGINEERING SEL-352

    SCHWEITZER ENGINEERING

    SEL-352

    BREAKER FAILURE RELAY
    $5,046.00 Buy Surplus As Low As $2,523.00
    $2,523.00
    Repair Yours $2,397.00
    SCHWEITZER ENGINEERING SEL-351S-0351S7XHD4E54X2

    SCHWEITZER ENGINEERING

    SEL-351S-0351S7XHD4E54X2

    PROTECTION SYSTEM, UTILITY AND INDUSTRIAL ELECTRICAL SYSTEM, BUILT-IN ETHERNET AND IEEE C37.118 SYNCHROPHASORS, DEFAULT DISPLAYS OR PROGRAMMABLE CUSTOM MESSAGES NOTIFY PERSONNEL OF POWER SYS ...
    $6,986.00 Buy Surplus As Low As $4,192.00
    $4,192.00
    Repair Yours $2,495.00
    SCHWEITZER ENGINEERING SEL-351S-0351S6X7A4E5441

    SCHWEITZER ENGINEERING

    SEL-351S-0351S6X7A4E5441

    PROTECTION SYSTEM INTERFACE, 125 TO 250 V, 5 A, TWO 10/100 BASE-T WITH EIA-485, PANEL MOUNT
    $6,963.00 Buy Surplus As Low As $4,178.00
    $4,178.00
    Repair Yours $3,468.00
    SCHWEITZER ENGINEERING SEL-351S-0351S6X3B3D54X1

    SCHWEITZER ENGINEERING

    SEL-351S-0351S6X3B3D54X1

    PROTECTION SYSTEM INTERFACE, 48 TO 125 V, 5 A, ONE 100 BASE-FX MM LC WITH EIA-485, PANEL MOUNT
    $6,210.00 Buy Surplus As Low As $3,726.00
    $3,726.00
    Repair Yours $3,093.00
    SCHWEITZER ENGINEERING SEL-351A-0351A00324554X1

    SCHWEITZER ENGINEERING

    SEL-351A-0351A00324554X1

    DISCONTINED BY MANUFACTURER, PROTECTION SYSTEM, SEL-351, DIRECTIONAL OVERCURRENT RELAY, RECLOSING RELAY, FAULT LOCATOR, SELOGIC CONTROL EQUATIONS, POWER SUPPLY RATING:38-200 VDC, 85-140 VAC, ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,817.53
    $1,817.53
    Repair Yours $1,418.04
    SCHWEITZER ENGINEERING SEL-351A

    SCHWEITZER ENGINEERING

    SEL-351A

    SCHWEITZER, DISTRIBUTION PROTECTION SYSTEM, 20-60VDC, 15W MAX,
    $1,001.70 Buy Surplus As Low As $601.02
    $601.02
    Repair Yours $471.27
    SCHWEITZER ENGINEERING SEL-351-035173C3J542X1

    SCHWEITZER ENGINEERING

    SEL-351-035173C3J542X1

    PROTECTIONS SYSTEM RELAY, SEL-351, ETHERNET, IEEE C37.118 SYNCHROPHASOR MEASUREMENT, DNP3 OUTSTATION, MODBUS TCP/RTU, TELNET, FTP, WEB SERVER, SNTP, OPERATOR CONTROLS / LCD, 8 OUTPUT / 6 INP ...
    $8,107.00 Buy Surplus As Low As $4,865.00
    $4,865.00
    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-351-035173C3C546X1

    SCHWEITZER ENGINEERING

    SEL-351-035173C3C546X1

    DISCONTINUED BY MANUFACTURER, PROTECTION SYSTEM, SEL-351, 25 W, 120 VAC, 48/125 VDC, 50/60 HZ, COMMUNICATION INTERFACE, SUGGESTED REPLACEMENT SEL-351-035173C3D546X1
    Buy Surplus As Low As $3,274.00
    $3,274.00
    Repair Yours $2,718.00
    SCHWEITZER ENGINEERING SEL-351-035165C3E542X1

    SCHWEITZER ENGINEERING

    SEL-351-035165C3E542X1

    RELAY / DIRECTIONAL OVERCURRENT, MODEL SEL-351, RECLOSING RELAY, FAULT DETECTOR, SELOGIC CONTROL EQUATIONS, LOGIC INPUT / 5 PHASE / 5-N, 300 WYE / 125 VAC, POWER SUPPLY / 25 W / 48/125 V / 1 ...
    $6,273.00 Buy Surplus As Low As $3,764.00
    $3,764.00
    Repair Yours $3,125.00
    SCHWEITZER ENGINEERING SEL-3421

    SCHWEITZER ENGINEERING

    SEL-3421

    MOTOR RELAY HMI, WITH LCD, PANEL / DIN-RAIL MOUNT
    ✓ IN STOCK!
    $431.00 Buy Surplus As Low As $285.00
    $285.00
    Repair Yours $215.00
    SCHWEITZER ENGINEERING SEL-3400

    SCHWEITZER ENGINEERING

    SEL-3400

    DISTRIBUTION MODULE IRIG-B 2IN/12OUT 12/24HR LED
    $1,336.00 Buy Surplus As Low As $668.00
    $668.00
    Repair Yours $635.00
    SCHWEITZER ENGINEERING SEL-3355-3355#M4J9

    SCHWEITZER ENGINEERING

    SEL-3355-3355#M4J9

    DISCONTINUED BY MANUFACTURER, CONTROLLER, HORIZONTAL RACK MOUNT, SUGGESTED REPLACEMENT 3355#DE0C
    Buy Surplus As Low As $3,648.00
    $3,648.00
    SCHWEITZER ENGINEERING SEL-3355-3355#DE0C

    SCHWEITZER ENGINEERING

    SEL-3355-3355#DE0C

    AUTOMATION CONTROLLER, 120 VAC, 5 SLOT, 8 FT PLUG, INTEL XEON E3-1505L QUAD CORE 2.0 GHZ, 3U HORIZONTAL RACK MOUNT
    $10,032.00 Buy Surplus As Low As $6,020.00
    $6,020.00
    SCHWEITZER ENGINEERING SEL-3355-3355#5VF7

    SCHWEITZER ENGINEERING

    SEL-3355-3355#5VF7

    AUTOMATION CONTROLLER, 120 VAC, 5 SLOT, PCIE SERIAL CARD, 8 GB DDR4 2133 MHZ ECC RAM, INTEL XEON E3-1505L QUAD CORE 2.0 GHZ, 8 FT PLUG, 3U HORIZONTAL RACK MOUNT
    $13,769.00 Buy Surplus As Low As $8,262.00
    $8,262.00
    SCHWEITZER ENGINEERING SEL-3355

    SCHWEITZER ENGINEERING

    SEL-3355

    COMPUTER, QUAD-CORE, RACK-MOUNT
    $7,749.72 Buy Surplus As Low As $4,559.54
    $4,559.54
    Repair Yours $3,945.00
    SCHWEITZER ENGINEERING SEL-3351-335135788H080000000

    SCHWEITZER ENGINEERING

    SEL-3351-335135788H080000000

    DISCONTINUED BY MANUFACTURER, SYSTEM COMPUTNG PLATFORM, PENTIUM M 1.4 GHZ, W/ 1 GB DDR SDRAM, REPLACEMENT / SEL-3354
    ✓ IN STOCK!
    Buy Surplus As Low As $912.50
    $912.50
    Repair Yours $885.83
    SCHWEITZER ENGINEERING SEL-3350-3350#6J0N

    SCHWEITZER ENGINEERING

    SEL-3350-3350#6J0N

    AUTOMATION CONTROLLER, 110-240 VAC / 125-250 VDC, 8 GB RAM, 1.6 GHZ, 4 RJ-45 10/100/1000 MBPS, INTEL ATOM X5-E3940 QUAD CORE, HORIZONTAL 3U RACK MOUNT
    $16,923.00 Buy Surplus As Low As $10,154.00
    $10,154.00
    SCHWEITZER ENGINEERING SEL-3350#WX1L

    SCHWEITZER ENGINEERING

    SEL-3350#WX1L

    AUTOMATION CONTROLLER, VERSATILE COMPUTING PLATFORM, RUNS LINUX AND WINDOWS
    $11,391.00 Buy Surplus As Low As $6,835.00
    $6,835.00
    SCHWEITZER ENGINEERING SEL32IINT5

    SCHWEITZER ENGINEERING

    SEL32IINT5

    DISCONTINUED BY MANUFACTURER, PC BOARD ASSEMBLY , INDUSTRIAL
    ✓ IN STOCK!
    Buy Surplus As Low As $373.98
    $373.98
    Repair Yours $363.04
    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
    $7,485.71 Buy Surplus As Low As $2,521.06
    $2,521.06
    Repair Yours $2,092.48
    SCHWEITZER ENGINEERING SEL-321-3211Y6256HXB2X6

    SCHWEITZER ENGINEERING

    SEL-321-3211Y6256HXB2X6

    PHASE AND GROUND DISTANCE RELAY, SWITCH WITH GUARD, ABC PHASE ROTATION, STANDARD 12OUTPUT / 8INPUT, CONTROL INPUT / 5AMP / 125VDC, 60HZ / HORIZONTAL RACK MOUNT
    $4,006.80 Buy Surplus As Low As $2,404.08
    $2,404.08
    Repair Yours $1,995.39
    SCHWEITZER ENGINEERING SEL-321-3211Y4256QXBAX4

    SCHWEITZER ENGINEERING

    SEL-321-3211Y4256QXBAX4

    DISCONTINUED BY MANUFACTURER, PROTECTION RELAY, PHASE / GROUND, 5 AMP, 25 W, 125 V, 60 HZ, ABC ROTATION
    Buy Surplus As Low As $2,783.00
    $2,783.00
    Repair Yours $2,644.00
    SCHWEITZER ENGINEERING SEL321-321124256HNB554

    SCHWEITZER ENGINEERING

    SEL321-321124256HNB554

    PHASE AND GROUND DISTANCE RELAY, DIRECTIONAL OVERCURRENT RELAY, SEL-321, FAULT LOCATOR, 125 VDC LOGIC INPUT, 5 AMP, 25W MAX, 85-264 VAC / 85-350 VDC POWER SUPPLY, 50/60 HZ, ABC ROTATION
    ✓ IN STOCK!
    $3,661.45 Buy Surplus As Low As $1,977.18
    $1,977.18
    Repair Yours $1,805.35
    SCHWEITZER ENGINEERING SEL-321-321124256HGB354

    SCHWEITZER ENGINEERING

    SEL-321-321124256HGB354

    RELAY, PHASE AND GROUND DISTANCE, DIRECTION OVERCURRENT RELAY, FAULT LOCATOR, ELECTROMECHANICAL, 4 ZONE
    ✓ IN STOCK!
    $4,006.80 Buy Surplus As Low As $1,266.24
    $1,266.24
    Repair Yours $1,167.75
    SCHWEITZER ENGINEERING SEL-321-321124256HGB334

    SCHWEITZER ENGINEERING

    SEL-321-321124256HGB334

    PHASE AND GROUND DISTANCE RELAY, SWITCH WITH GUARD, ABC PHASE ROTATION, STANDARD 12OUTPUT / 8INPUT, CONTROL INPUT / 5AMP / 125VDC, 60HZ / HORIZONTAL RACK MOUNT
    $5,565.00 Buy Surplus As Low As $2,783.00
    $2,783.00
    Repair Yours $2,644.00
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