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    Safety Systems / Safety Relay

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    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 SEL-251C

    SCHWEITZER ENGINEERING

    SEL-251C

    SCHWEITZER ENGINEERING, SEL-251C, SEL251C, DISTRIBUTION BUS RELAY, 85-264VAC, 50/60HZ, 85-350VDC, 15W
    ✓ IN STOCK!
    $285.71 Buy Surplus As Low As $91.49
    $91.49
    Repair Yours $300.00
    SCHWEITZER ENGINEERING 0501002X561BXB

    SCHWEITZER ENGINEERING

    0501002X561BXB

    RELAY, 5.5 WATT, 48/125 VDC, 50/60 HZ, 5-PH
    ✓ IN STOCK!
    $930.00 Buy Surplus As Low As $515.40
    $515.40
    Repair Yours $385.00
    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-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 SEL-167-167000425MHGB

    SCHWEITZER ENGINEERING

    SEL-167-167000425MHGB

    DISCONTINUED BY MANUFACTURER, OVER-CURRENT RELAY, DIRECTIONAL, AND GROUND FAULT LOCATOR, INPUT 125VDC, POWER SUPPLY / 2W / 125VAC/DC
    Buy Surplus As Low As $396.00
    $396.00
    Repair Yours $330.00
    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
    SCHWEITZER ENGINEERING SEL-587-0587003X5X1

    SCHWEITZER ENGINEERING

    SEL-587-0587003X5X1

    RELAY, CURRENT DIFFERENTIAL, OVER-CURRENT, STANDARD, EIA-232 COMMUNICATION PORT, 5AMP, 125VAC, 48/125VDC, TERMINAL BLOCK CONNECTION, HORIZONTAL RACK MOUNT
    $2,205.00 Buy Surplus As Low As $1,103.00
    $1,103.00
    Repair Yours $1,048.00
    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-321-1-321124256HGB334

    SCHWEITZER ENGINEERING

    SEL-321-1-321124256HGB334

    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
    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-221F-221F00-4256M3GB

    SCHWEITZER ENGINEERING

    SEL-221F-221F00-4256M3GB

    DISCONTINUED BY MANUFACTURER, PHASE AND GROUND DISTANCE RELAY, DIRECTIONAL, SYNCHRONISM CHECKING, RECLOSING, FAULT LOCATOR, INPUT / 125VDC, POWER SUPPLY / 14W, 125VAC/D, 60HZ, HORIZONTAL PAN ...
    Buy Surplus As Low As $2,280.00
    $2,280.00
    Repair Yours $1,900.00
    SCHWEITZER ENGINEERING SEL-300G

    SCHWEITZER ENGINEERING

    SEL-300G

    GENERATOR RELAY, SEQUENTIAL EVENTS RECORDER, 48/125VAC, 50/60HZ, 25W
    $875.67 Buy Surplus As Low As $438.34
    $438.34
    Repair Yours $408.00
    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 0351S61344554X1

    SCHWEITZER ENGINEERING

    0351S61344554X1

    DISCONTINUED BY MANUFACTURER, PROTECTION SYSTEM, SEL-351S, STANDARD, 125-250 VDC / 120-230 VAC, 5 A, 220 VDC CONTROL INPUT, 4 OUTPUTS, 16 INPUTS
    Buy Surplus As Low As $3,060.30
    $3,060.30
    Repair Yours $2,490.00
    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
    $7,485.71 Buy Surplus As Low As $2,521.06
    $2,521.06
    Repair Yours $2,092.48
    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-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 SEL-121C-121C00-4256MHNC

    SCHWEITZER ENGINEERING

    SEL-121C-121C00-4256MHNC

    DISCONTINUED BY MANUFACTURER, RELAY / PHASE DISTANCE / TIME-OVERCURRENT / DIRECTIONAL GROUND / FAULT LOCATOR, POWER SUPPLY / 12 W / 125 VAC/DC, LOGIC INPUT / 125 VDC, SECONDARY INPUT / ACB R ...
    Buy Surplus As Low As $5,520.00
    $5,520.00
    Repair Yours $4,582.00
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