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    Controls & Indicators / Protective Relay

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    39 Results.
    SCHWEITZER ENGINEERING SEL-587

    SCHWEITZER ENGINEERING

    SEL-587

    CURRENT DIFFERENTIAL RELAY, 85140VAC, 36-200VDC, 5.5KW
    ✓ IN STOCK!
    £1,987.41 Price with VAT: £2,384.89 Buy Surplus As Low As £872.95 Price with VAT: £1,047.54
    £872.95 Price with VAT: £1,047.54
    Repair Yours £779.69 Price with VAT: £935.63
    SCHWEITZER ENGINEERING SEL-710-071001ABA9X71870000

    SCHWEITZER ENGINEERING

    SEL-710-071001ABA9X71870000

    MOTOR PROTECTION RELAY, SEL-710 SERIES, PROGRAMMABLE, 32 CUSTOM DISPLAY LABELS, 2 16 CHARACTER LCD, PROTECTION FOR OVERCURRENT / THERMAL OVERLOAD / UNDERCURRENT CURRENT UNBALANCE / CURRENT D ...
    ✓ IN STOCK!
    £4,662.66 Price with VAT: £5,595.19 Buy Surplus As Low As £2,266.53 Price with VAT: £2,719.83
    £2,266.53 Price with VAT: £2,719.83
    Repair Yours £1,881.22 Price with VAT: £2,257.46
    SCHWEITZER ENGINEERING SEL-710-071001A1A6X71850100

    SCHWEITZER ENGINEERING

    SEL-710-071001A1A6X71850100

    MOTOR PROTECTION RELAY, POWER / 110-250 / 110-240 V / 50/60 HZ, POWER CONSUMPTION / 50 VA / 25 W, INTERNAL FUSE / T3.15A H 250 V
    ✓ IN STOCK!
    £5,664.40 Price with VAT: £6,797.28 Buy Surplus As Low As £3,059.03 Price with VAT: £3,670.83
    £3,059.03 Price with VAT: £3,670.83
    Repair Yours £2,793.78 Price with VAT: £3,352.53
    SCHWEITZER ENGINEERING SEL-710-071001ABA0X0X850300

    SCHWEITZER ENGINEERING

    SEL-710-071001ABA0X0X850300

    DISCONTINUED BY MANUFACTURER, MOTOR PROTECTION RELAY, SUPPLY RANGE:, 125/250VDC, 120/240VAC, 50/60HZ, VA RATING:, 40VA/20W
    ✓ IN STOCK!
    Buy Surplus As Low As £5,285.13 Price with VAT: £6,342.16
    £5,285.13 Price with VAT: £6,342.16
    SCHWEITZER ENGINEERING 751401ACA0X7785A600

    SCHWEITZER ENGINEERING

    751401ACA0X7785A600

    FEEDER PROTECTION RELAY, SEL-751, 120-240VAC
    £5,100.89 Price with VAT: £6,121.06 Buy Surplus As Low As £3,060.97 Price with VAT: £3,673.17
    £3,060.97 Price with VAT: £3,673.17
    SCHWEITZER ENGINEERING SEL-751-301ACA3A70851F00

    SCHWEITZER ENGINEERING

    SEL-751-301ACA3A70851F00

    FEEDER PROTECTION RELAY, ARC SENSE FEATURE, 2X16 LCD FRONT PANEL, 4 PUSH BUTTON, 11 SLOT / A-2 / B-2 / C-2 / D-2 / Z-2, POWER SUPPLY / 110-250 VDC / 50/60 HZ
    £4,625.96 Price with VAT: £5,551.15 Buy Surplus As Low As £2,776.16 Price with VAT: £3,331.39
    £2,776.16 Price with VAT: £3,331.39
    SCHWEITZER ENGINEERING SEL-710-071001A1A9X72850000

    SCHWEITZER ENGINEERING

    SEL-710-071001A1A9X72850000

    MOTOR PROTECTION RELAY, 110-240 VAC, 50/60 HZ, 110-250 VDC, 710#1EB8
    £5,670.12 Price with VAT: £6,804.15 Buy Surplus As Low As £3,402.22 Price with VAT: £4,082.67
    £3,402.22 Price with VAT: £4,082.67
    Repair Yours £2,714.50 Price with VAT: £3,257.40
    SCHWEITZER ENGINEERING SEL-710-071001A1A9X0X850000

    SCHWEITZER ENGINEERING

    SEL-710-071001A1A9X0X850000

    MOTOR PROTECTION RELAY, 110-240 VAC, 50/60 HZ, 110250 VDC, 710#DV1Y
    £4,980.63 Price with VAT: £5,976.76 Buy Surplus As Low As £2,989.27 Price with VAT: £3,587.12
    £2,989.27 Price with VAT: £3,587.12
    Repair Yours £2,384.92 Price with VAT: £2,861.90
    SCHWEITZER ENGINEERING 487E#YTQ2

    SCHWEITZER ENGINEERING

    487E#YTQ2

    PROTECTION RELAY, FOR TRANSFORMER, UP TO SIX 3P INPUTS
    £12,599.17 Price with VAT: £15,119.00 Buy Surplus As Low As £7,559.94 Price with VAT: £9,071.93
    £7,559.94 Price with VAT: £9,071.93
    Repair Yours £3,662.89 Price with VAT: £4,395.47
    SCHWEITZER ENGINEERING SEL-487E#NQPE

    SCHWEITZER ENGINEERING

    SEL-487E#NQPE

    TRANSFORMER PROTECTION RELAY, WITH CONVENTIONAL SECONDARY INPUTS, UP TO SIX 3-PHASE RESTRAINT INPUTS
    £14,156.08 Price with VAT: £16,987.29 Buy Surplus As Low As £8,493.65 Price with VAT: £10,192.38
    £8,493.65 Price with VAT: £10,192.38
    SCHWEITZER ENGINEERING 751#R13W

    SCHWEITZER ENGINEERING

    751#R13W

    RELAY, FEEDER PROTECTION, SEL-751 SERIES
    £3,646.74 Price with VAT: £4,376.09 Buy Surplus As Low As £2,188.19 Price with VAT: £2,625.83
    £2,188.19 Price with VAT: £2,625.83
    SCHWEITZER ENGINEERING SEL-710-071001ABA9X72850201

    SCHWEITZER ENGINEERING

    SEL-710-071001ABA9X72850201

    MOTOR PROTECTION RELAY,SLOT A POWER SUPPLY 110 TO 250 V,SLOT A DIGITAL INPUT 125 V,3 PHASE,2 DIGITAL INPUTS,3 DIGITAL OUTPUTS
    £5,648.48 Price with VAT: £6,778.18 Buy Surplus As Low As £3,389.09 Price with VAT: £4,066.91
    £3,389.09 Price with VAT: £4,066.91
    SCHWEITZER ENGINEERING SEL-751A-751A01A1A0X0X850200

    SCHWEITZER ENGINEERING

    SEL-751A-751A01A1A0X0X850200

    PROTECTION RELAY, 110 TO 250 V, 2 DIGITAL INPUT, 3 DIGITAL OUTPUT, 3 PHASE
    £1,890.90 Price with VAT: £2,269.08 Buy Surplus As Low As £1,134.84 Price with VAT: £1,361.80
    £1,134.84 Price with VAT: £1,361.80
    SCHWEITZER ENGINEERING SEL-751A-751A01A0X0X73850000

    SCHWEITZER ENGINEERING

    SEL-751A-751A01A0X0X73850000

    PROTECTION RELAY, 110 TO 250 V, 5 A, 3 PHASE, 2 DIGITAL INPUTS, 3 DIGITAL OUTPUTS
    £2,291.69 Price with VAT: £2,750.03 Buy Surplus As Low As £1,375.60 Price with VAT: £1,650.72
    £1,375.60 Price with VAT: £1,650.72
    SCHWEITZER ENGINEERING SEL-751A-751A51ACA1A74851330

    SCHWEITZER ENGINEERING

    SEL-751A-751A51ACA1A74851330

    FEEDER PROTECTION RELAY, 110 TO 250 V, 5 A, 3 PHASE, 4 DI / 4 DO, IEC 61850, DNP3
    £3,807.50 Price with VAT: £4,569.00 Buy Surplus As Low As £2,285.09 Price with VAT: £2,742.10
    £2,285.09 Price with VAT: £2,742.10
    SCHWEITZER ENGINEERING SEL-751A-751A51ACABA74851401

    SCHWEITZER ENGINEERING

    SEL-751A-751A51ACABA74851401

    FEEDER PROTECTION RELAY, 110 TO 250 V, 1 ETHERNET PORT, 1 FIBER CABLE PORT, EIA-232, 3 PHASE
    £4,040.19 Price with VAT: £4,848.23 Buy Surplus As Low As £2,424.55 Price with VAT: £2,909.46
    £2,424.55 Price with VAT: £2,909.46
    SCHWEITZER ENGINEERING SEL-751-751001A1A0X0X85A600

    SCHWEITZER ENGINEERING

    SEL-751-751001A1A0X0X85A600

    FEEDER PROTECTION RELAY, 110 TO 250 V, DUAL 10/100BASE-T ETHERNET, EIA-232, 5 IN COLOR TOUCHSCREEN, 8 PUSHBUTTONS
    £2,619.08 Price with VAT: £3,142.89 Buy Surplus As Low As £1,571.59 Price with VAT: £1,885.91
    £1,571.59 Price with VAT: £1,885.91
    SCHWEITZER ENGINEERING SEL-700G-0,-1,-T,-W-0700G01ADA0X0X85A200

    SCHWEITZER ENGINEERING

    SEL-700G-0,-1,-T,-W-0700G01ADA0X0X85A200

    GENERATOR PROTECTION RELAY, 700 G, 5 IN COLOR TOUCHSCREEN, 8 PUSHBUTTONS, 110 TO 250 V, SINGLE 10/100BASE-T ETHERNET, 2 DIGITAL INPUTS, 3 DIGITAL OUTPUTS
    £5,135.39 Price with VAT: £6,162.46 Buy Surplus As Low As £3,081.53 Price with VAT: £3,697.83
    £3,081.53 Price with VAT: £3,697.83
    SCHWEITZER ENGINEERING SEL-751A-751A01B1B1B75850210

    SCHWEITZER ENGINEERING

    SEL-751A-751A01B1B1B75850210

    FEEDER PROTECTION RELAY, 110 TO 250 V, SINGLE 10/100BASE-T, 3 PHASE, EIA-232, 4 ACI
    £3,332.57 Price with VAT: £3,999.08 Buy Surplus As Low As £1,999.54 Price with VAT: £2,399.45
    £1,999.54 Price with VAT: £2,399.45
    SCHWEITZER ENGINEERING SEL-710-071001A6X1A71860211

    SCHWEITZER ENGINEERING

    SEL-710-071001A6X1A71860211

    MOTOR PROTECTION RELAY, 110 TO 250 V, SINGLE 10/100BASE-T, IRIG-B, 3 PHASE
    £6,285.64 Price with VAT: £7,542.76 Buy Surplus As Low As £3,771.53 Price with VAT: £4,525.83
    £3,771.53 Price with VAT: £4,525.83
    SCHWEITZER ENGINEERING SEL-751A-751A01A6X1A74860201

    SCHWEITZER ENGINEERING

    SEL-751A-751A01A6X1A74860201

    FEEDER PROTECTION RELAY, 110 TO 250 V, SINGLE 10/100BASE-T, EIA-232, 3 PHASE
    £3,837.59 Price with VAT: £4,605.11 Buy Surplus As Low As £2,302.70 Price with VAT: £2,763.24
    £2,302.70 Price with VAT: £2,763.24
    SCHWEITZER ENGINEERING SEL-710-5-071050E1ADADA6X85A460

    SCHWEITZER ENGINEERING

    SEL-710-5-071050E1ADADA6X85A460

    MOTOR PROTECTION RELAY, 110 TO 250 V, SINGLE 100BASE-FX MM LC, EIA-232, 4 DI / 3 DO, 5-INCH COLOR TOUCHSCREEN WITH 8 PUSHBUTTONS
    £7,693.54 Price with VAT: £9,232.24 Buy Surplus As Low As £4,616.42 Price with VAT: £5,539.70
    £4,616.42 Price with VAT: £5,539.70
    SCHWEITZER ENGINEERING SEL-751A-751A01A6XCD74850310

    SCHWEITZER ENGINEERING

    SEL-751A-751A01A6XCD74850310

    FEEDER PROTECTION RELAY, 110 TO 250 V, 5 A, 3 PHASE, 4 AI / 4 AO, 4 DI / 4 DO, SINGLE 10/100BASE-T
    £3,806.76 Price with VAT: £4,568.12 Buy Surplus As Low As £2,284.35 Price with VAT: £2,741.22
    £2,284.35 Price with VAT: £2,741.22
    SCHWEITZER ENGINEERING SEL-751-751001A6X1A0X85BC01

    SCHWEITZER ENGINEERING

    SEL-751-751001A6X1A0X85BC01

    FEEDER PROTECTION RELAY, 110 TO 250 V, 5 A, 3 PHASE, SINGLE 10/100BASE-T ETHERNET, EIA-232, 5-INCH COLOR TOUCHSCREEN WITH 4 PUSHBUTTONS
    £4,313.25 Price with VAT: £5,175.91 Buy Surplus As Low As £2,588.25 Price with VAT: £3,105.90
    £2,588.25 Price with VAT: £3,105.90
    SCHWEITZER ENGINEERING SEL-787-07870X1A1A1A0X850600

    SCHWEITZER ENGINEERING

    SEL-787-07870X1A1A1A0X850600

    TRANSFORMER PROTECTION RELAY, 110 TO 250 V, 6 PHASE, DUAL 10/100BASE-T ETHERNET, EIA-232, 4 DI / 4 DO, 4 DI / 4 DO
    £5,429.00 Price with VAT: £6,514.81 Buy Surplus As Low As £3,257.70 Price with VAT: £3,909.24
    £3,257.70 Price with VAT: £3,909.24
    SCHWEITZER ENGINEERING SEL-710-5-071050E1ACADA74850301

    SCHWEITZER ENGINEERING

    SEL-710-5-071050E1ACADA74850301

    MOTOR PROTECTION RELAY, 110 TO 250 V, 5 A, SINGLE 10/100BASE-T, 2X16 LCD WITH 8 PUSHBUTTONS, EIA-485, IRIG-B, 4 DI / 4 DO, 4 DI / 3 DO, 4 ARC-FLASH DETECTION INPUTS, 3 MOTOR DIFF AC CURRENT ...
    £6,463.28 Price with VAT: £7,755.93 Buy Surplus As Low As £3,877.97 Price with VAT: £4,653.56
    £3,877.97 Price with VAT: £4,653.56
    SCHWEITZER ENGINEERING SEL-751A-751A62BBBCB73850630

    SCHWEITZER ENGINEERING

    SEL-751A-751A62BBBCB73850630

    FEEDER PROTECTION RELAY, 24 TO 48 V, EIA-232, 3 PHASE, 2 DIGITAL INPUTS, 3 DIGITAL OUTPUTS, IEC 61850
    £3,568.93 Price with VAT: £4,282.72 Buy Surplus As Low As £2,141.95 Price with VAT: £2,570.34
    £2,141.95 Price with VAT: £2,570.34
    SCHWEITZER ENGINEERING SEL-751A-751A51ABA0X71851201

    SCHWEITZER ENGINEERING

    SEL-751A-751A51ABA0X71851201

    FEEDER PROTECTION RELAY, 110 TO 250 V, EIA-232, 3 DI / 4 DO / 1 AO, 4 TO 20 MA, 3 PHASE, 2 DIGITAL INPUTS, 3 DIGITAL OUTPUTS
    £3,147.59 Price with VAT: £3,777.11 Buy Surplus As Low As £1,888.70 Price with VAT: £2,266.44
    £1,888.70 Price with VAT: £2,266.44
    SCHWEITZER ENGINEERING SEL-710 -071001D0X0X0X851301

    SCHWEITZER ENGINEERING

    SEL-710 -071001D0X0X0X851301

    MOTOR PROTECTION RELAY, 110 TO 250 V, EIA-232, PTC THERMISTOR, PROGRAMMABLE PUSHBUTTONS, 3 PHASE, 2 DIGITAL INPUTS, 3 DIGITAL OUTPUTS
    £4,490.16 Price with VAT: £5,388.19 Buy Surplus As Low As £2,694.68 Price with VAT: £3,233.62
    £2,694.68 Price with VAT: £3,233.62
    SCHWEITZER ENGINEERING 751A51ACA1A74851630

    SCHWEITZER ENGINEERING

    751A51ACA1A74851630

    FEEDER PROTECTION RELAY, 110 TO 250 V, DUAL 10/100BASE-T, EIA-232, CONFIGURABLE LABELS
    £3,934.49 Price with VAT: £4,721.38 Buy Surplus As Low As £2,360.69 Price with VAT: £2,832.83
    £2,360.69 Price with VAT: £2,832.83
    SCHWEITZER ENGINEERING SEL-710-5-071050E1ACA6X74850200

    SCHWEITZER ENGINEERING

    SEL-710-5-071050E1ACA6X74850200

    MOTOR PROTECTION RELAY, 110 TO 250 V, SINGLE 10/100BASE-T, 4 DI / 4 DO, 2X16 LCD WITH 8 PUSHBUTTONS DISPLAY
    £6,722.39 Price with VAT: £8,066.87 Buy Surplus As Low As £4,033.58 Price with VAT: £4,840.30
    £4,033.58 Price with VAT: £4,840.30
    SCHWEITZER ENGINEERING SEL-710-5-071050E1ACACA76850670

    SCHWEITZER ENGINEERING

    SEL-710-5-071050E1ACACA76850670

    MOTOR PROTECTION RELAY, 110 TO 250 V, DUAL 10/100BASE-T, 3 PHASE, 2X16 LCD WITH 8 PUSHBUTTONS DISPLAY
    £6,558.70 Price with VAT: £7,870.44 Buy Surplus As Low As £3,935.22 Price with VAT: £4,722.26
    £3,935.22 Price with VAT: £4,722.26
    SCHWEITZER ENGINEERING SEL-751-751501ABBCB70850321

    SCHWEITZER ENGINEERING

    SEL-751-751501ABBCB70850321

    FEEDER PROTECTION RELAY, 110 TO 250 V, SINGLE 10/100BASE-T ETHERNET, 2X16 LCD WITH 8 PUSHBUTTONS
    £7,022.62 Price with VAT: £8,427.14 Buy Surplus As Low As £4,214.16 Price with VAT: £5,056.99
    £4,214.16 Price with VAT: £5,056.99
    SCHWEITZER ENGINEERING SEL-751-751001ACACA7785A831

    SCHWEITZER ENGINEERING

    SEL-751-751001ACACA7785A831

    FEEDER PROTECTION RELAY, 110 TO 250 V, DUAL 100BASE-FX MM LC ETHERNET, 5 IN COLOR TOUCHSCREEN WITH 8 PUSHBUTTONS, 4 DI / 4 DO, IEC 61850, DNP3,
    £6,524.20 Price with VAT: £7,829.04 Buy Surplus As Low As £3,914.67 Price with VAT: £4,697.60
    £3,914.67 Price with VAT: £4,697.60
    SCHWEITZER ENGINEERING SEL-710-5-071050E1A6X9X74860201

    SCHWEITZER ENGINEERING

    SEL-710-5-071050E1A6X9X74860201

    MOTOR PROTECTION RELAY, 110 TO 250 V, SINGLE 10/100BASE-T, EIA-232, IRIG-B, 4 AI / 4 AO, 2X16 LCD WITH 8 PUSHBUTTONS
    £7,259.71 Price with VAT: £8,711.66 Buy Surplus As Low As £4,355.83 Price with VAT: £5,226.99
    £4,355.83 Price with VAT: £5,226.99
    SCHWEITZER ENGINEERING SEL-710-071001A0X0X0X851201

    SCHWEITZER ENGINEERING

    SEL-710-071001A0X0X0X851201

    MOTOR PROTECTION RELAY, 110 TO 250 V, 5 A, SINGLE 10/100BASE-T, PTC THERMISTOR, EIA-232, 4 ACI
    £4,490.16 Price with VAT: £5,388.19 Buy Surplus As Low As £2,694.68 Price with VAT: £3,233.62
    £2,694.68 Price with VAT: £3,233.62
    SCHWEITZER ENGINEERING SEL-787-0787EX1A3A9X75850620

    SCHWEITZER ENGINEERING

    SEL-787-0787EX1A3A9X75850620

    TRANSFORMER PROTECTION RELAY, 25 W, 6 PHASE AC CURRENT INPUT, 110-250 VAC / DC, 50/60 HZ, 10 RTD INPUT, EIA-232 PORT, DUAL 10/100BASE-T ETHERNET
    £6,679.82 Price with VAT: £8,015.78 Buy Surplus As Low As £4,007.89 Price with VAT: £4,809.47
    £4,007.89 Price with VAT: £4,809.47
    SCHWEITZER ENGINEERING SEL-787

    SCHWEITZER ENGINEERING

    SEL-787

    TRANSFORMER, 6AC CURRENT INPUT, 2 DIGITAL INPUTS, 3 DIGITAL OUTPUTS, 110-250 VDC, 125 VDC/VAC,5 AMP
    £5,811.44 Price with VAT: £6,973.73 Buy Surplus As Low As £3,487.45 Price with VAT: £4,184.94
    £3,487.45 Price with VAT: £4,184.94
    SCHWEITZER ENGINEERING SEL-751-751401A3A1A70851F11

    SCHWEITZER ENGINEERING

    SEL-751-751401A3A1A70851F11

    FEEDER PROTECTION RELAY, 110 TO 250 V, 5 A, 3 PHASE, RECLOSING AND DIRECTIONAL, 4 ACI / 3 AVI CARD REQUIRED IN SLOT Z, 2X16 LCD WITH 4 PUSHBUTTONS, EIA-232, 4 DI / 4 DO, VSYNC (300 VAC) / VB ...
    £4,657.52 Price with VAT: £5,589.03 Buy Surplus As Low As £2,794.51 Price with VAT: £3,353.42
    £2,794.51 Price with VAT: £3,353.42
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