Transmission & Distribution Relay Solutions
Ensure reliable electrical protection with advanced relays and monitoring devices, safeguarding power systems and equipment integrity.
Safeguard your power distribution networks with our comprehensive range of transmission distribution relays. Our comprehensive range features ground fault relays, phase/voltage loss relays, ground fault sensors, voltage/phase monitors, and permissive relays for all your transmission distribution relay needs. Whether you're safeguarding power distribution systems, monitoring critical electrical parameters, or ensuring equipment protection, our Transmission Distribution Relays provide the advanced functionality and reliability needed for optimal performance and safety in industrial environments. Shop now for cutting-edge transmission distribution relays to enhance your power system's reliability and safety.
Filter Results
BENDER
ISOCHA425HV-D4-4+AGH420-1
ISOMETER, SWITCHABLE BETWEEN CCS (COMBINED CHARGING SYSTEM) AND CHADEMO, DC 1000 V, MODBUS RTU INTERFACE, DC+/DC/BALANCED
✓ IN STOCK!
£277.10
Price with VAT:
£332.52
BASLER ELECTRIC
BE1-59N A6E E1C B0N1F
DISCONTINUED BY MANUFACTURER, GROUNDFAULT OVERVOLTAGE RELAY, OVER DEFINITE / 0.1-99.9 SECOND, 1 NO RELAY-OVER, SINGLE PHASE, 120 VAC / 60 HZ, NOMINAL 2-40 VAC PICKUP, POWER SUPPLY / 100/120 ...
✓ IN STOCK!
£500.55
Price with VAT:
£600.66
SIEMENS
3UG5618-1CR20
DIGITALLY ADJUSTABLE MONITORING RELAY PHASE FAILURE, PHASE SEQUENCE, ASYMMETRY, FREQUENCY, OVER- AND UNDER-VOLTAGE MONITORING WITH PHASE SEQUENCE CORRECTION 3X 90-690 V AC, 15-70 HZ 2 CHANGE ...
✓ IN STOCK!
£105.00
Price with VAT:
£126.00
Repair Yours
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ASCO
214B83-600VAC
DISCONTINUED BY MANUFACTURER, OVER VOLTAGE MONITOR, AUTOMATIC SWITCH COMPANY, 3 V TRIP, 660 PHASE, 600 VAC, 50/60 HZ
✓ IN STOCK!
£364.13
Price with VAT:
£436.95
EATON CORPORATION
GFTCB245
BR TWO-POLE GROUND FAULT, 10KAIC, 45A, 60/75C WIRE, 120/240VAC, 60HZ, 5MA SENSITIVITY
✓ IN STOCK!
£1,186.19
Price with VAT:
£1,423.43
SCHWEITZER ENGINEERING
SEL-TPR-3TPR31000IRJ6
DISCONTINUED BY MANUFACTURER, UNDERGROUND TEST POINT RESET FAULT INDICATOR, DIRECT REPLACEMENT SEL-TPR-TPR#8BMJ
✓ IN STOCK!
£94.89
Price with VAT:
£113.87
Repair Yours
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SCHWEITZER ENGINEERING
SEL-849-084900101100100
MOTOR MANAGEMENT RELAY, 30VA / 12 W, INPUT / 0.5-128 AMP / 100-690 VAC, SUPPLY / 110/250 VDC / 110/240 VAC / 50/60 HZ, INTERNALLY WETTED TO 24 VDC
✓ IN STOCK!
£505.43
Price with VAT:
£606.51
DOLD
AD5999 AC50/60HZ 230V
FAULT ANNUNCIATOR SYSTEM, 230 VAC, 3 ALARM INPUTS, ALARM INPUTS EXTENDABLE UP TO 203, ENERGIZED ON TRIP, (0032370)
✓ IN STOCK!
£105.96
Price with VAT:
£127.15
DOLD
AN9843.82/013 3AC50/60HZ 415V 1-20S
DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 1-20S, 3 AC AT 50/60HZ 415V, 3 AMPS AT 250 VOLTS, PANEL MOUNT
✓ IN STOCK!
£356.00
Price with VAT:
£427.20
DOLD
BD9080.12 3AC230V UH AC230V 0,1-5S
PHASE MONITOR, ARTICLE NUMBER: 0045763, VARIMETER PRO SERIES, BD 9080, 2 CHANGEOVER CONTACTS, 3AC 230V NOMINAL, 230VAC AUX, 0.1-5SEC RELEASE DELAY, DE-ENERGIZED ON TRIP
✓ IN STOCK!
£206.00
Price with VAT:
£247.20
DOLD
EH9997.11 AC/DC24V US=12-70V
0000517, FAULT ANNUNCIATOR SYSTEM, 1 CHANGEOVER CONTACT, AC/DC 24V, 12-70V, 6 LED SIGNALS, FRONT PANEL MOUNTING
✓ IN STOCK!
£196.00
Price with VAT:
£235.20
DOLD
IL9075.12/001 AC50...400HZ 400V
DISCONTINUED BY MANUFACTURER, FUSE MONITOR, 3 PHASE, 400 HZ, DE-ENERGIZED ON TRIP, AUTOMATIC RESET
✓ IN STOCK!
£96.00
Price with VAT:
£115.20
Repair Yours
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PCA-120/208ALE
DISCONTINUED BY MANUFACTURER, PHASE MONITOR, ADJUSTABLE RESTART DELAY, SCREW CLAMP TERMINALS, STATUS LED, 120-208 V AC SUPPLY VOLTAGE, 50/60 HZ
✓ IN STOCK!
£128.35
Price with VAT:
£154.02
WESTINGHOUSE
1096945C
DISCONTINUED BY MANUFACTURER, CURRENT RELAY 4-16AMP
✓ IN STOCK!
£229.70
Price with VAT:
£275.64
GENERAL ELECTRIC
12SFC15386A
DISCONTINUED BY MANUFACTURER, RELAY, TIME OVERCURRENT, 0-1 SECOND DELAY, 1.5-12 AMPS, 50/60 HZ
✓ IN STOCK!
£641.73
Price with VAT:
£770.08
GENERAL ELECTRIC
12IAC66T53A
DISCONTINUED BY MANUFACTURER, TIME OVERCURRENT RELAY, IAC TYPE, 2.5-7.5 AMPS, LONG TIME /4/12 AMPS /60 HZ, 125 VOLTS - TIMER UNIT, 0.05/5.0 SECONDS
✓ IN STOCK!
£513.38
Price with VAT:
£616.06
ICM
ICM450A
PRGRMBL 3-PHASE LINE VOLT MONITOR, 25-FAULT MEMORY STORAGE, NON-VOLATILE, IDENTIFIES FRONT AND BACK SIDE FAULTS, UNIVERSAL VOLTAGE OPERATION: 190-630 VAC
✓ IN STOCK!
£125.55
Price with VAT:
£150.66
GENERAL ELECTRIC
12CEB52A2D
DISCONTINUED BY MANUFACTURER, MHO DISTANCE RELAY, 120 VAC, 5 AMP, 60 CYCLES
✓ IN STOCK!
£650.84
Price with VAT:
£781.01
BASLER ELECTRIC
TIEE1CD0N07
DISCONTINUED BY MANUFACTURER, PROTECTIVE RELAY, CYCLES-3, 60-HZ, TRIP FREQUENCY-1
✓ IN STOCK!
£293.91
Price with VAT:
£352.69
TSUDAKOMA
626352CB
DISCONTINUED BY MANUFACTURER, VOLTAGE CONTROLLER, -5 TO +5
✓ IN STOCK!
£515.28
Price with VAT:
£618.34
SCHWEITZER ENGINEERING
SEL-710-071050E1A1A0X0X850201
MOTOR PROTECTION RELAY, SEL-710, DIGITAL INPUT / 125 VAC/DC, SUPPLY / 40 VA / 20 W / 125/250 V / 120/240 V / 50/60 HZ, 240 V MAX, SINGLE PORT 10/100BASE-T
✓ IN STOCK!
£1,747.42
Price with VAT:
£2,096.91
GENERAL ELECTRIC
12CEY51A2D
DISCONTINUED BY MANUFACTURER, DISTANCE RELAY, CEY TYPE, MHO, 5 AMP, 120 V, 0.2 / 2.0 TARGET SEAL IN AMP, 0.75-30 UNIT, 60 ANGLE SETTING
✓ IN STOCK!
£821.41
Price with VAT:
£985.69
WESTINGHOUSE
1256C13H01
DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 5-1/2 INCH ID
✓ IN STOCK!
£47.03
Price with VAT:
£56.43
MINILEC
VSP-1
DISCONTINUED BY MANUFACTURER, PREVENTER, SINGLE PHASE, 415 V
✓ IN STOCK!
£142.94
Price with VAT:
£171.53
GENERAL ELECTRIC
IC2820-D300B3
DISCONTINUED BY MANUFACTURER, FIELD LOSS RELAY, 600 VAC MAX, 10 AMP
✓ IN STOCK!
£205.36
Price with VAT:
£246.43
ASEA BROWN BOVERI
587C0427-61114
DISCONTINUED BY MANUFACTURER, RELAY / DISTRIBUTION PROTECTION SYSTEM, INDUSTRIAL CONTROL EQUIPMENT, TYPE / DPU 2000R, PHASE / 0.4-12 AMP, GROUND / 0.4-12 AMP, 38-58 VDC, 60 HZ, 1-12 AMP, 70- ...
✓ IN STOCK!
£333.70
Price with VAT:
£400.44
EATON CORPORATION
CUTLER HAMMER
C323PN12C6
DISCONTINUED BY MANUFACTURER, RELAY / PHASE MONITOR, 440 V
✓ IN STOCK!
£472.28
Price with VAT:
£566.73
EATON CORPORATION
CUTLER HAMMER
D64RPB6
RELAY, GROUND FAULT, 10MA-6.4 AMP RANGE, 24-250 AC/DC
✓ IN STOCK!
£5.09
Price with VAT:
£6.11
MEGACON
KCG598E 380-415V/220-240V/150-300V/3R/6O
LOSS OF MAINS PROTECTION RELAY, THREE PHASE, 4-WIRE, AUXILIARY VOLTAGE: 380-415 VAC (50/60 HZ), INPUT 1: 220-240 V, RANGE: 150-300 V, OUTPUT 1: 3 RELAY, OUTPUT 2: 6 OPTO, IP21
✓ IN STOCK!
£667.55
Price with VAT:
£801.06
WESTINGHOUSE
1344D82A22C
DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, TYPE MDF-2, 110/120 VAC, 50/60 HZ, 125 VDC,
✓ IN STOCK!
£1,087.64
Price with VAT:
£1,305.17
BENDER
B91067120
ISOMETER, ISO685-S-B, AC 0-690V; 1-460HZ / DC 0-1000V NOMINAL SYSTEM VOLTAGE, C 24-240 V; 50-400 HZ /DC 24-240V SUPPLY VOLTAGE
✓ IN STOCK!
£1,768.31
Price with VAT:
£2,121.97
ITI
SPVRB240
VOLTAGE SENSING RELAY, PHASE VOLTAGE RELAY, TRIP DELAY: 1-10 SEC, 240 VAC +/- 10%, 3 PHASE, 60 HZ, BI-COLORED LED STATUS INDICATOR, AUTOMATIC OR MANUAL MODE
✓ IN STOCK!
£706.20
Price with VAT:
£847.44
ASEA BROWN BOVERI
5653138-E
DISCONTINUED BY MANUFACTURER, RECTIFIER UNIT RELAY, COMBIFLEX, 19-29/20-30 VAC, 50/60 HZ, SILICONE RECTIFIER BRIDGES, FOR RADHA DIFFERENTIAL RELAY, (RXTLA 1)
✓ IN STOCK!
£93.01
Price with VAT:
£111.61
SCHWEITZER ENGINEERING
SEL-710-071001A0X0X0X850001
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!
£2,056.58
Price with VAT:
£2,467.90
SCHWEITZER ENGINEERING
751A01ACA0X74851000
FEEDER PROTECTION RELAY, 110-250 VDC, 110-240 VAC SUPPLY, 50/60 HZ, PUSHBUTTON INTERFACE, DIGITAL DISPLAY
✓ IN STOCK!
£2,447.44
Price with VAT:
£2,936.93
ASEA BROWN BOVERI
NBRA-656C
DISCONTINUED BY MANUFACTURER, UNIVERSAL BRAKE CHOPPER, 6 OHM, 2400 KJ, 6 KW, 400 VAC
✓ IN STOCK!
£311.35
Price with VAT:
£373.62
MINILEC
USP-D1
PHASE FAILURE RELAY, 415 VAC, 50/60 HZ, 1 CO OUTPUT, PHASE SEQUENCE, CONTACT RATING 5 A @ 230 VAC
✓ IN STOCK!
£90.62
Price with VAT:
£108.74
Repair Yours
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SCHNEIDER ELECTRIC
P122B00Z112CD0
DISCONTINUED BY MANUFACTURER, FAULT PROTECTION RELAY, 3 PHASE, EARTH AND OVERCURRENT, 0.01-8 ION, DIGITAL INPUT VOLTAGE: 24-250 VDC/24-240 VAC, AUXILIARY VOLTAGE: 24-250 VDC/48-240 VC, COMMU ...
✓ IN STOCK!
£470.75
Price with VAT:
£564.90
SCHNEIDER ELECTRIC
P122A00Z112CF0
DISCONTINUED BY MANUFACTURER, FAULT PROTECTION RELAY, 3 PHASE, 0.1-40 ION, OVERCURRENT AND EARTH, DIGITAL INPUT VOLTAGE: 24-250 VDC/24-240 VAC, AUXILIARY VOLTAGE: 24-250 VDC/48-240 VAC, COMM ...
✓ IN STOCK!
£601.49
Price with VAT:
£721.79
BENDER
RCMA423-D9-1
DISCONTINUED BY MANUFACTURER, GROUND-FAULT MONITOR FOR GROUNDED AND HIGH-RESISTANCE GROUNDED AC/DC SYSTEMS, 5 AMP, 16-72 VAC, 30 MA
✓ IN STOCK!
£169.77
Price with VAT:
£203.72
ASEA BROWN BOVERI
609300K02
PHASE SENSOR, 600A BREAKING RATE, K800
✓ IN STOCK!
£169.94
Price with VAT:
£203.92
ASEA BROWN BOVERI
609300-K4
CURRENT TRANSFORMER POWER SHIELD, 1600/2000 AMP
✓ IN STOCK!
£203.61
Price with VAT:
£244.33
PROCOM TECHNOLOGY
GS7001-B-22A3
DISCONTINUED BY MANUFACTURER, DIGITAL PROTECTION RELAY, GMS7000 SERIES, INPUT: 20-66 V, 50HZ
✓ IN STOCK!
£1,094.54
Price with VAT:
£1,313.45
BASLER ELECTRIC
BE1-87G-S1A-A1C-A0N0
DISCONTINUED BY MANUFACTURER, VARIABLE PERCENTAGE DIFFERENTIAL RELAY. BE1-87G MODEL, 1 PHASE, SELECTABLE INPUT, INSTANTANEOUS TIMING, INTERNALLY OPERATED TARGETS
✓ IN STOCK!
£348.04
Price with VAT:
£417.65
BASLER ELECTRIC
BE1-59N-A8E-E1L-N0S1F
DISCONTINUED BY MANUFACTURER, GROUND FAULT OVERVOLTAGE RELAY, MODEL BE1-59N, SINGLE PHASE, INPUT 240VAC 60HZ, NOMINAL 20-100VAC PICKUP, OUTPUT 1NO RELAY OVER, TIMING OVER-DIFINITE 0.1-99.9SE ...
✓ IN STOCK!
£593.51
Price with VAT:
£712.21
GENERAL ELECTRIC
12IRT51E2A
DISCONTINUED BY MANUFACTURER, TEMPERATURE RELAY, 100 OHM @ 0 PLATINUM RTD, 80C-160C, 120/240 VAC, 50/60 HZ, .2/2.0 AMP DC TARGET SEAL, 1 ELECTRICALLY SEPERATE N.O., 7 INTERNAL CONNECTIONS FI ...
✓ IN STOCK!
£348.04
Price with VAT:
£417.65
DANAHER CONTROLS
WARD LEONARD
4471-60011
DISCONTINUED BY MANUFACTURER, RELAY, TYPE HR RELAY, 6 POLE, 10 AMP, 600 V MAX, 50/60 HZ
✓ IN STOCK!
£51.34
Price with VAT:
£61.61
Repair Yours
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CONVERTEAM
ALSTOM
KBCH14001H15MEJ
DISCONTINUED BY MANUFACTURER, RELAY / DIFFERENTIAL PROTECTION, MODEL KBCH140, ALARM / TRIP, PROGRAMMABLE / 8 AUXILIARY, 5 AMP, 48/250 / 100/120 V, 50/60 HZ, FOR TRANSFORMERS AND GENERATORS
✓ IN STOCK!
£607.28
Price with VAT:
£728.74
