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.
Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
Filter Results
GENERAL ELECTRIC
12HGA14ALS
AUXILARY RELAY, 125VDC, 4 SECOND
✓ IN STOCK!
£57.84
Price with VAT:
£69.40
WESTINGHOUSE
1875289A
DISCONTINUED BY MANUFACTURER, C09-C511BA1, RELAY, OVERCURRENT, RELAY, OVERCURRENT, 4-12AMP ,TYPE CO-9
✓ IN STOCK!
£381.64
Price with VAT:
£457.96
ASEA BROWN BOVERI
SSAC
DLMUBRAAA
VOLTAGE MONITOR, 3PH, 200-480 VAC, DIN RAIL MOUNT, DELAY TIME:1 SEC ~ 30 SEC,TYPE:VOLTAGE ASYMMETRY, VOLTAGE SENSING AC, PHASE LOSS
✓ IN STOCK!
£117.47
Price with VAT:
£140.96
ASEA BROWN BOVERI
SSAC
PLS120A
DISCONTINUED BY MANUFACTURER, REVERSE PHASE RELAY, 3 PHASES, 120V, 10A
✓ IN STOCK!
£40.31
Price with VAT:
£48.38
ASEA BROWN BOVERI
SSAC
KVM6
SINGLE PHASE VOLTAGE MONITOR RELAY, 5 STRAIGHT BLADES, ADJUSTMENT RANGE: 156-199 VAC, OUTPUT: 230 VAC, RATING: 8 A, 1/3 HP
✓ IN STOCK!
£40.43
Price with VAT:
£48.51
ASEA BROWN BOVERI
1SVR450423R0600
DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 3 PHASE
✓ IN STOCK!
£115.93
Price with VAT:
£139.12
ALLEN BRADLEY
810-A05A
DISCONTINUED BY MANUFACTURER 02/28/2010, CURRENT RELAY, INVERSE TIME-DELAY, 9 AMP MAX, CONTINUOUS, 1 NORMALLY CLOSED OUTPUT, AUTOMATIC RESET, WITH BLUE DASHPOT FLUID
✓ IN STOCK!
£1,323.03
Price with VAT:
£1,587.63
MOTOR PROTECTION ELEC. INC
AITWS
DISCONTINUED BY MANUFACTURER, ELECTRIC MOTOR INSULATION MONITOR, AUTO INSULATION TESTER, W/SOCKET, 120 VAC INPUT, 50/60 HZ, 5.9 VA, INTERNAL DC VOLT: 500 VDC, RELAY CONTACT RATING:, 3 AMP NO ...
✓ IN STOCK!
£453.78
Price with VAT:
£544.54
ASEA BROWN BOVERI
SSAC
WLM645A5S
SSAC, ASEA BROWN BOVERI, WLM645A5S, VOLTAGE MONITOR THREE PHASE, 200/240VAC, 5SEC TRIP DELAY
✓ IN STOCK!
£66.91
Price with VAT:
£80.29
Repair Yours
Contact Us
CR MAGNETICS
CR4395-EL-24D-330-X-CD-ELR-I
AC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, 50 - 400 HZ FREQ RANGE, 24 VDC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, NO TIME DELAY, 3 - 30 AAC ADJUSTABLE TRIP RANGE, ...
✓ IN STOCK!
£32.98
Price with VAT:
£39.58
NK TECHNOLOGIES
AGT1-420-24L-FL
AC GROUND FAULT TRANSDUCER SENSORS,AGT SERIES,SOLID-CORE, 24L - 24 VDC LOOP-POWERED, 0-50 MA RANGE, TOP TERMINALS, 4-20 MA
✓ IN STOCK!
£170.56
Price with VAT:
£204.67
MACROMATIC
PMP575
3-PHASE MONITOR RELAY, 575 VAC, 8 PIN PLUG-IN, 10 AMP SPDT RELAY, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
✓ IN STOCK!
£93.55
Price with VAT:
£112.26
KEARNEY NATIONAL INC
22.017-04-600-A/4H
DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 600AMP
✓ IN STOCK!
£11.37
Price with VAT:
£13.65
KEARNEY NATIONAL INC
22.017-03-200-A/4H
DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 200 AMP
✓ IN STOCK!
£11.37
Price with VAT:
£13.65
ASEA BROWN BOVERI
BALDOR RELIANCE
69326-2R
RELAY, POWER TYPE, 24VDC COIL
✓ IN STOCK!
£32.79
Price with VAT:
£39.35
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBD-480-ALE
PHASE SEQUENCE AND VOLTAGE BAND MONITOR,480VAC 50/60HZ,CONTACTS 10AMP 240VAC RES,360VA 600VAC IND
✓ IN STOCK!
£167.71
Price with VAT:
£201.25
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-440-AFE
PHASE MONITOR/RELAY
✓ IN STOCK!
£215.02
Price with VAT:
£258.02
SCHNEIDER ELECTRIC
SQUARE D
PR-101-PLR
DISCONTINUED BY MANUFACTURER, RELAY PHASE LOSS/REVERSAL 5AMP 120VAC .01OHM 60HZ
✓ IN STOCK!
£60.06
Price with VAT:
£72.08
REGAL REXNORD
UNICO
303-237
DISCONTINUED BY MANUFACTURER, RELAY MODULE, LNO CONVERTER, INTERFACE ADAPTER FIBER OPTIC
✓ IN STOCK!
£252.56
Price with VAT:
£303.08
GOTRONIC
555100
DISCONTINUED BY MANUFACTURER, POWER LINE MONITOR, 480VAC, 50/60HZ
✓ IN STOCK!
£370.21
Price with VAT:
£444.25
EATON CORPORATION
COOPER POWER
8137869B0
FAULT INDICATOR LINAM 800AMP 1.81IN OD 3Q97
✓ IN STOCK!
£18.26
Price with VAT:
£21.92
WESTINGHOUSE
1293C47G12
DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, (P/N 255P156H06C), .125 AMPS, 120 VAC, 50/60 HZ, 28-125 VDC OUTPUT, 255P156H06C
✓ IN STOCK!
£661.98
Price with VAT:
£794.38
ASEA BROWN BOVERI
1SVR510730R0300
CM-UFS.M21 GRID FEEDING MONITOR
✓ IN STOCK!
£237.45
Price with VAT:
£284.94
TYCO
SIMPLEXGRINNELL
565-558
4009 EARTH DETECT BOARD ASSEMBLY
✓ IN STOCK!
£30.31
Price with VAT:
£36.37
SCHWEITZER ENGINEERING
SEL-311C-0311C01H242542X
DISCONTINUED BY MANUFACTURER, PROTECTION AND AUTOMATION SYSTEM, SEL-311C, LOGIC INPUT / 5 PHASE / 5 POLE / 125 VDC / 150 VAC WYE, POWER SUPPLY / 25 W / 85-350 VDC / 85-364 VAC / 125-250 VDC ...
✓ IN STOCK!
£1,772.74
Price with VAT:
£2,127.29
WESTINGHOUSE
12PVD11C1A
RELAY DIFFERENTIAL 150V TYPE PVD
✓ IN STOCK!
£862.20
Price with VAT:
£1,034.63
MATSUSHITA ELECTRIC
AROMAT
LT48T-24-240V
DIGITAL QUARTZ TIMER, 24-240 V AC/DC, 100 MA MAX, 8 PIN
✓ IN STOCK!
£100.92
Price with VAT:
£121.10
SCHWEITZER ENGINEERING
751A01A0X0X71850000
FEEDER PROTECTION RELAY, SEL-751A, LCD, 125 V, 50/60 HZ, PANEL LED, PROGRAMMABLE PUSHBUTTON, ARC-FLASH MITIGATION, EVENT ANALYSIS
✓ IN STOCK!
£854.56
Price with VAT:
£1,025.48
HONEYWELL
R8154C1000
DISCONTINUED BY MANUFACTURER, ELECTRIC HEAT RELAY, THREE SWITCHES, 24 V, 60 CY, QUICK CONNECT TERMINAL (LOAD SIDE), LUG CONNECTION (LINE SIDE)
✓ IN STOCK!
£91.97
Price with VAT:
£110.36
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!
£611.96
Price with VAT:
£734.35
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!
£350.72
Price with VAT:
£420.87
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!
£171.07
Price with VAT:
£205.29
EMERSON
FISHER ROSEMOUNT
3051CD3A22A1AS1C6M5
DISCONTINUED BY MANUFACTURER, PRESSURE TRANSMITTER, DIRECT MOUNT SEALS, IP66/68, 17.5MA, 9-30VDC
✓ IN STOCK!
£1,179.40
Price with VAT:
£1,415.27
CEE
ITV 7366
RELAY / VOLTAGE RESTRAINED OVERCURRENT, 7000 SERIES, (VERY INVERSE IDMT), LED INDICATORS, (2) 3 PHASE OVERCURRENT UNITS, VOLTAGE RESTRAINED OVERCURRENT / 51 V, 1-5 AMP, 100 / 110 / 120 / 380 ...
✓ IN STOCK!
£1,087.68
Price with VAT:
£1,305.22
CEE
YTM 7111
ADMITTANCE RELAY / ALTERNATOR LOSS OF FIELD PROTECTION, 7000 SERIES, TIME DELAY / 0.6 TO 6 SECOND / 1-10 SECOND, K1 / 70-300 %, K2 / 5-34 %, 1-5 AMP, 100 V, 50/60 HZ, AUX: CC/DC 110 V, ANSI ...
✓ IN STOCK!
£1,081.36
Price with VAT:
£1,297.63
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-0313-DLA
DISCONTINUED BY MANUFACTURER, SINGLE PHASE UNDER VOLTAGE MONITOR, UOA SERIES, UOA-0313, STYLE A, 5-10 VDC SUPPLY VOLTAGE, SENSING VOLTAGE: 50 TO 50 VDC, SUPPLY VOLTAGE: 120 VAC, CONTACTS: 10 ...
✓ IN STOCK!
£54.65
Price with VAT:
£65.58
SEL
071001D6X9X71870200
MOTOR PROTECTION RELAY, POWER SUPPLY 110-250 VDC, 110-240 VAC 50/60 HZ, 40 VA/15W, ENCLOSURE TYPE 12, TERMINAL PROTECTION
✓ IN STOCK!
£1,118.40
Price with VAT:
£1,342.08
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!
£1,631.04
Price with VAT:
£1,957.25
2N
9159010
DISCONTINUED BY MANUFACTURER, SECURITY RELAY, 30 VAC/DC, 1 AMP, 12 V OUTPUT 700 MAMP OUTPUT DC, PASSIVE SWITCH, NO/NC CONTACT FORM
✓ IN STOCK!
£117.28
Price with VAT:
£140.74
SCHWEITZER ENGINEERING
SEL-311B-0311B00H23254X1
PROTECTION AND AUTOMATION SYSTEM, SEL-311B, 120VAC, 50/60HZ, 25WATT
✓ IN STOCK!
£954.56
Price with VAT:
£1,145.48
DEIF
RMC-142D-1A-ND-ND-1S-20S-24VDC
DISCONTINUED BY MANUFACTURER, STATOR EARTH FAULT RELAY, TYPE: RMC-142D, ORDER NO: 400022308.10, MEAS CURRENT: 1A, MODULE: 1A, SCALE: 1, SUPPLY: 24VDC, T1: 1S, T2: 20S, RELAY B: NORM. DEENERG ...
✓ IN STOCK!
£182.85
Price with VAT:
£219.42
DEIF
RMV-112D-DELTA-440VAC-NE+ND-440VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 440/254V, MODULE: 440V, SUPPLY: 440VAC, RELAY B: NOR. ENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, OV ...
✓ IN STOCK!
£243.07
Price with VAT:
£291.69
DEIF
RMV-112D-DELTA-220VAC-ND+ND-220VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 220/127V, MODULE: 220V, SUPPLY: 220VAC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
✓ IN STOCK!
£206.61
Price with VAT:
£247.94
DEIF
RMV-112D-DELTA-450VAC-ND+ND-450VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 450/260V, MODULE: 450V, SUPPLY: 450 VAC, RELAY B: NOR. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
✓ IN STOCK!
£243.07
Price with VAT:
£291.69
WESTINGHOUSE
1956071
DISCONTINUED BY MANUFACTURER, RELAY, 0.50/1 AMP, 60 HZ
✓ IN STOCK!
£203.84
Price with VAT:
£244.61
WESTINGHOUSE
1875510
DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, TYPE CV-4, VOLTAGE UNIT, 0.2/2 AMP, 120V AC, 60 HZ
✓ IN STOCK!
£157.26
Price with VAT:
£188.71
CR MAGNETICS
CR4395-EH-120-110-A-CD
DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, TIME DELAY: .5-6SEC, TRIP RANGE: 1-10ACA, SUPPLY: 120 +/-10% VAC
✓ IN STOCK!
£107.18
Price with VAT:
£128.61
ALLEN BRADLEY
809-B24
DISCONTINUED BY MANUFACTURER, CURRENT RELAY, INSTANTANEOUS TRIP, 210 AMP, 600 VAC, MOUNTABLE
✓ IN STOCK!
£1,660.09
Price with VAT:
£1,992.11
