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.
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SCHWEITZER ENGINEERING
SEL-279-279000-47X6XHGX
RELAY, RECLOSING / VOLTAGE / SYNCHRONISM CHECK, SPECIAL SPEC-35, POWER SUPPLY / 15 W MAX / 85-264 VAC / 58-350 VDC / 50/60 HZ, LOGIC INPUT / 0-270 VAC / 125 VDC
✓ IN STOCK!
£384.23
Price with VAT:
£461.07
BENDER
SUD487
VOLTAGE RELAY, 230-400VAC, 50/60HZ, 12 VA, 10 KA, 3 LED'S (GREEN), IP00/IP30
✓ IN STOCK!
£18.25
Price with VAT:
£21.90
TELE CONTROLS
G2JM5AL20
CURRENT MONITORING RELAY, OVERLOAD, 3-PH, 5A AC/DC RANGE, MULTIFUNCTION, 2 CO, DPDT, LED INDICATORS, SUPPLY VOLTAGE VIA TR2 MODULES, FOR USE WITH 5A CURRENT TRANSFORMERS
✓ IN STOCK!
£154.76
Price with VAT:
£185.71
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SAL-575-ALE
DISCONTINUED BY MANUFACTURER, PHASE MONITOR, 575 V AC, 50/60 HZ, 3 A, 600 V AC RES. RATED CONTACTS, LED INDICATOR, SCREW CLAMP TERMINALS
✓ IN STOCK!
£138.62
Price with VAT:
£166.34
ASEA BROWN BOVERI
411T4175-HF
DISCONTINUED BY MANUFACTURER, RELAY, UNDERVOLTAGE PHASE SEQUENCE, 27N TYPE, CIRCUIT SHIELD, DEFINITE CURVE, 0-10 SECOND, 2-C, SINGLE PHASE, 60-110V TAP RANGE, 150V MAX, 50/60 HZ, CONTROL 48/ ...
✓ IN STOCK!
£1,039.61
Price with VAT:
£1,247.53
SCHWEITZER ENGINEERING
SEL-751A-751A51A0X0X71850000
DISCONTINUED BY MANUFACTURER, FEEDER PROTECTION RELAY, MODEL SEL-751A, 20 W / 40 VA, 110-250 V, 50/60 HZ
✓ IN STOCK!
£1,867.44
Price with VAT:
£2,240.93
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!
£127.46
Price with VAT:
£152.95
ASEA BROWN BOVERI
CM-PVE
PHASE MONITORING RELAY, 4 AMP, 400 V, 3 KV, 1 NO, WITH NEUTRAL CONNECTION, POWERED BY MEASURING CIRCUIT, FOR MONITORING OF 1-3 PHASE OVER- AND UNDERVOLTAGE, (1SVR550870R9400)
✓ IN STOCK!
£19.74
Price with VAT:
£23.69
ASCO
214B69-480VAC
DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, 480 VAC, 50/60 HZ, 456V PICK UP, 408V DROP OUT
✓ IN STOCK!
£395.31
Price with VAT:
£474.37
ASCO
214B69-120VAC
DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, 120 V AC, 50/60 HZ, 114 V PICK UP, 102 V DROP OUT
✓ IN STOCK!
£84.00
Price with VAT:
£100.80
Repair Yours
Contact Us
WESTINGHOUSE
1875510
DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, TYPE CV-4, VOLTAGE UNIT, 0.2/2 AMP, 120V AC, 60 HZ
✓ IN STOCK!
£158.21
Price with VAT:
£189.86
WESTINGHOUSE
1956071
DISCONTINUED BY MANUFACTURER, RELAY, 0.50/1 AMP, 60 HZ
✓ IN STOCK!
£205.08
Price with VAT:
£246.10
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!
£244.55
Price with VAT:
£293.46
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!
£230.97
Price with VAT:
£277.16
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!
£244.55
Price with VAT:
£293.46
NK TECHNOLOGIES
AGL3-SDT1-24U-ENE-TR3-N
GROUND FAULT SENSOR, JUMPER SELECT 5, 10 OR 30 MA SETPOINT, NORMALLY ENERGIZED, BASE TERMINALS, SPDT 1 A @ 120 VAC, 2 A @ 30 VDC, 24 VAC/VDC, BASE, SOLID-CORE
✓ IN STOCK!
£246.51
Price with VAT:
£295.81
EATON CORPORATION
CUTLER HAMMER
13535H111-2
AC TRANSFORMER RELAY, OPEN TYPE, 20/240 VAC, 50/60 HZ
✓ IN STOCK!
£159.73
Price with VAT:
£191.67
SIEMENS
3UG5461-1AA40
DC LOAD MONITORING RELAY FOR PROFINET, MAX. 2X8 A / 1X16 A DC, MAX. 800 V WIDTH: 22.5 MM MONITORING FOR VIOLATION OF UPPER AND LOWER LIMIT OF CURRENT, VOLTAGE AND POWER; ENERGY CONSUMPTION C ...
✓ IN STOCK!
£276.00
Price with VAT:
£331.20
CONVERTEAM
ALSTOM
MVTU11K1CD0501G
DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, UNDERVOLTAGE, DEFINITE TIME DELAY, 100-120 VAC RATED, 50/60 HZ RATED, 30-70 HZ OPERATING RANGE, 252 CONTINUOUS
✓ IN STOCK!
£359.37
Price with VAT:
£431.24
WESTINGHOUSE
293B285A11
DISCONTINUED BY MANUFACTURER, RELAY, SYNCHRO-VERIFIED, TYPE CVE, 120 V, 60 HZ
✓ IN STOCK!
£536.34
Price with VAT:
£643.60
ASEA BROWN BOVERI
289B423A11
DISCONTINUED BY MANUFACTURER, RELAY, DIRECTIONAL OVERCURRENT, CR-2 TYPE, 4-12 AMP-OVERCURRENT UNIT / 0.2-2 AMP-INDICATOR, 120 V
✓ IN STOCK!
£1,400.44
Price with VAT:
£1,680.53
ASEA BROWN BOVERI
443T2341
DISCONTINUED BY MANUFACTURER, RELAY, TIME OVERCURRENT, CIRCUIT SHEILD, 51Y TYPE, 125 VDC, 4-12 AMP TOC, 2-20 AMP IOC
✓ IN STOCK!
£1,576.08
Price with VAT:
£1,891.30
CR MAGNETICS
CR4395-EH-24D-0.04-X-T-FP
DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, LOAD: NPN SINKING, 100MA MAX
✓ IN STOCK!
£72.45
Price with VAT:
£86.95
CR MAGNETICS
CR4395-EH-24D-.04-X-FP-T PNP
DISCONTINUED BY MANUFACTURER, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, ENERGIZE: HI CURRENT (EH), LOAD: PNP - SOURCING, 100MA MAX
✓ IN STOCK!
£68.43
Price with VAT:
£82.11
DEIF
RMV-112D-DELTA-415VAC-ND+ND-24VDC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 415/240V, MODULE: 415V, SUPPLY: 24VDC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
✓ IN STOCK!
£291.08
Price with VAT:
£349.29
DEIF
RMV-112D-STAR-240VAC-NE+NE-24VDC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: STAR, MEASURING VOLTAGE: 415/240VAC, MODULE: 240V, SUPPLY: 24VDC, RELAY B: NORM. ENERGIZED, RELAY C: NORM. ENERGIZED, UNDERVOLTAGE: 80-100%, OVE ...
✓ IN STOCK!
£317.56
Price with VAT:
£381.07
DEIF
RMV-112D-DELTA-415VAC-NDL+NDL-24VDC
VOLTAGE RELAY, UNI-LINE, TYPE RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 240/415VAC, MODULE: 415V, SUPPLY: 24VDC, RELAY B: NORM. DEENERGIZED W/LATCH, RELAY C: NORM. DEENERGIZED W/LATCH
✓ IN STOCK!
£268.82
Price with VAT:
£322.59
V INFINITY
PTK25-D48-S12-T
DISCONTINUED BY MANUFACTURER, VOLTAGE CONVERTER, DC-DC, AC-DC, SCREW CLAMP TERMINALS, 48 V INPUT @ 0.85 AMP, 12 V OUTPUT @ 2 AMP
✓ IN STOCK!
£30.95
Price with VAT:
£37.14
DEIF
RMF-112D-110VAC-60HZ-ND-ND-110VDC
DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, UNI-LINE, TYPE: RMF-112D, MEAS VOLTAGE: 110V, MODULE: 110V, 60HZ, SUPPLY: 110VDC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDER ...
✓ IN STOCK!
£127.03
Price with VAT:
£152.43
DEIF
TAS-331DG 2W3 -200-0-1500KW/440V(L-L) 3000A/5A -333-0-2500W 4-20MA -24-24MA 500OHM 24VDC
DISCONTINUED BY MANUFACTURER, SELECTABLE AC-TRANSDUCER, TYPE: TAS-331DG, ORDER NO: 100018271.10, COUPLING: 2W3, RANGE: -200-0-1500KW, RATIO VT: 440V(L-L), RATIO CT: 3000A/5A, INPUT: -333-0-2 ...
✓ IN STOCK!
£114.68
Price with VAT:
£137.62
DEIF
RMP121D
DISCONTINUED BY MANUFACTURER, REVERSE POWER RELAY, TYPE: RMP-121D, MEAS VOLTAGE: 110 VAC, MEAS POWER: 537W, SUPPLY: 110 VAC, COUPLING: 1W3, MODULE: 63.3V, MODULE: 3A, SCALE: 0.94, INVERSE TI ...
✓ IN STOCK!
£119.79
Price with VAT:
£143.75
TELE CONTROLS
E1IM10AACL10 230V AC
CURRENT MONITORING RELAY, 1-PH, 10A AC, MULTIFUNCTION, 1 CO, SPDT, LED INDICATORS, 230V AC SUPPLY VOLTAGE
✓ IN STOCK!
£121.48
Price with VAT:
£145.78
Repair Yours
Contact Us
TELE CONTROLS
V2PF480Y/277VSY01
PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
✓ IN STOCK!
£34.32
Price with VAT:
£41.18
Repair Yours
Contact Us
SCHWEITZER ENGINEERING
SEL-251D-251D00-4356UHGB
DISCONTINUED BY MANUFACTURER, DISTRIBUTION RELAY, SEL-251D, PHASE OVERCURRENT RELAY W/ VOLTAGE CONTROL, GROUND OVERCURRENT, FAULT LOCATOR, SELOGIC CONTROL INPUT / 125 VD, POWER SUPPLY / 15 W ...
✓ IN STOCK!
£583.42
Price with VAT:
£700.10
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!
£2,098.26
Price with VAT:
£2,517.91
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!
£522.65
Price with VAT:
£627.18
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!
£204.40
Price with VAT:
£245.28
TELE CONTROLS
E1PF480Y/277VSY01
PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
✓ IN STOCK!
£40.33
Price with VAT:
£48.40
Repair Yours
Contact Us
SCHWEITZER ENGINEERING
SEL-311B-0311B00H23254X1
PROTECTION AND AUTOMATION SYSTEM, SEL-311B, 120VAC, 50/60HZ, 25WATT
✓ IN STOCK!
£960.37
Price with VAT:
£1,152.44
DOLD
IK9173.11/030 DC24V 0,7-1,0UN4%
UNDERVOLTAGE RELAY, 1 PHASE, NOMINAL VOLTAGE: 24 VDC, TIME DELAY: 0.5-20 S, RESPONSE VALUE: 0.7 - 1 UN 4%
✓ IN STOCK!
£70.00
Price with VAT:
£84.00
Repair Yours
Contact Us
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!
£131.11
Price with VAT:
£157.33
ASEA BROWN BOVERI
ABB ROBOTICS
SPAJ 135 C-AA
DISCONTINUED BY MANUFACTURER, COMBINED OVERCURRENT AND EARTH-FAULT RELAY, 80...265 VAC, 50/60 HZ, SCREW TERMINAL
✓ IN STOCK!
£647.83
Price with VAT:
£777.40
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!
£1,640.96
Price with VAT:
£1,969.16
SCHNEIDER ELECTRIC
MERLIN GERIN
CM4000MG
DISCONTINUED BY MANUFACTURER, CIRCUIT MONITOR, 4000 SERIES, POWERLOGIC, UP TO 32MB MEMORY, 240 VAC, 300 VDC, 96 MA
✓ IN STOCK!
£2,459.99
Price with VAT:
£2,951.99
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!
£1,125.20
Price with VAT:
£1,350.24
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!
£61.09
Price with VAT:
£73.31
Repair Yours
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GENERAL ELECTRIC
MULTILIN
345-E-P5-G5-L-E-S-N-N-1E-D-H
DISCONTINUED BY MANUFACTURER, TRANSFORMER PROTECTION RELAY, PHASE CURRENTS / 5 AMP / 3 PHASE, GROUND CURRENTS - 5 AMP STANDARD, 110-250 VDC, 110-230 VAC, 50/60 HZ, 36 VA, 20W
✓ IN STOCK!
£936.93
Price with VAT:
£1,124.32
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!
£1,279.92
Price with VAT:
£1,535.91
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!
£1,459.06
Price with VAT:
£1,750.87
