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
RHOMBERG
SP430/380VAC-SP
PHASE SEQUENCE/FAILURE/ASYMMETRY RELAY, 11PIN, 10AMP, SPDT, 380VAC, 5-15PERCENT NPS SENSITIVITY, LED INDICATING
✓ IN STOCK!
£47.26
Price with VAT:
£56.71
RHOMBERG
SP430/400VAC-SP
PHASE SEQUENCE/FAILURE/ASYMMETRY RELAY, 11PIN, 10AMP, SPDT, 400/415VAC, 5-15PERCENT NPS SENSITIVITY, LED INDICATING
✓ IN STOCK!
£47.03
Price with VAT:
£56.43
CR MAGNETICS
CR5395-LH-ACV-101-B-CD-ELR-R
DC CURRENT SENSING RELAY, SUPPLY VOLTAGE 85-265VAC, TRIP RANGE 10-100AMPS, TIME DELAY 2-25 SEC, CALIBRATED DIAL, CRDCS-050 REMOTE DC SENSOR
✓ IN STOCK!
£123.34
Price with VAT:
£148.00
SELEC
600PSR-165/300-CU
PHASE SEQUENCE RELAY,DIN RAIL MOUNT, ACCURACY IS ±10V, PHASE FAILURE- PHASE REVERSED , SPACE SAVING DESIGN,1 C/O SPDT OUTPUT CONTACT, 165 -300V AC (L-L) SUPPLY, SIZE 17.5 X 90MM.
✓ IN STOCK!
£22.01
Price with VAT:
£26.42
GENERAL ELECTRIC
12SFC151D3A
OBSOLETE, RELAY STATIC TIME OVERCURRENT 50/60HZ
✓ IN STOCK!
£763.90
Price with VAT:
£916.68
GENERAL ELECTRIC
12IFC77AD1A
DISCONTINUED BY MANUFACTURER, OBSOLETE, RELAY OVERCURRENT EXTREMELY INVERSE
✓ IN STOCK!
£766.86
Price with VAT:
£920.23
MATSUSHITA ELECTRIC
AROMAT
CM1F-D-12V
RELAY, 35A, 12V, 5 PIN
✓ IN STOCK!
£5.31
Price with VAT:
£6.37
Repair Yours
Contact Us
SIEMENS
FURNAS ELECTRIC CO
3RH1131-1BA40
CONTACTOR RELAY, 3 N/0 + 1 N/C, 12 VDC, SCREW TERMINAL
✓ IN STOCK!
£66.86
Price with VAT:
£80.23
AMETEK
ROCHESTER INSTRUMENT SYSTEMS
ET-1214C
VOLTAGE ALARM LOW TRIP FAILSAFE 1-5VDC
✓ IN STOCK!
£95.49
Price with VAT:
£114.58
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-480-ALE
PHASE VOLTAGE MONITOR,3 PHASE, 480 VAC, DPDT OUTPUT RELAY
✓ IN STOCK!
£190.98
Price with VAT:
£229.18
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-440-ALE
PHASE VOLTAGE MONITORS, 3 PHASE-VOLTAGE MONITOR, DELTA, 390V-540V
✓ IN STOCK!
£240.36
Price with VAT:
£288.44
WESTINGHOUSE
1256C13H01
DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 5-1/2 INCH ID
✓ IN STOCK!
£53.76
Price with VAT:
£64.51
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!
£1,997.54
Price with VAT:
£2,397.05
INGERSOLL RAND
TRANE
RLY01869
DISCONTINUED BY MANUFACTURER, RELAY, START, SPST, 50 AMP COIL, 239 V PICK UP, 135 V DROP OUT, SUGGESTED REPLACEMENT RLY3210
✓ IN STOCK!
£18.31
Price with VAT:
£21.97
ENDRESS & HAUSER
TMT142-C2131JBKA1
DISCONTINUED BY MANUFACTURER, VOLTAGE/ PHASE MONITOR, 11-30 VDC, 4-20 MA
✓ IN STOCK!
£459.53
Price with VAT:
£551.44
WESTINGHOUSE
1875513A
DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, VOLTS-240, HERTZ-60, 0.2-2-AMPS
✓ IN STOCK!
£131.29
Price with VAT:
£157.55
WESTINGHOUSE
1096950
DISCONTINUED BY MANUFACTURER, CURRENT RELAY 4-16AMP
✓ IN STOCK!
£164.12
Price with VAT:
£196.94
CEE
TTG 7114
DISPLACEMENT RELAY / NEUTRAL VOLTAGE, 7000 SERIES, DEFINITE TIME, TIME DELAY RANGE / 1-10 SECOND, AUXILIARY SUPPLY / 220 V MAX, 1-5 AMP, SINGLE PHASE ONLY, 100-110 V, 50/60 HZ, ANSI CODE 59N ...
✓ IN STOCK!
£555.08
Price with VAT:
£666.10
CEE
DTM 7033
RELAY / MACHINE DIFFERENTIAL PROTECTION, SERIES 7000, 2 DUAL SLOPE BIAS, LEVEL 1 / ADJUSTABLE / 2-20 %, LEVEL 2 / FIXED AT 50 %, 3 PHASE, ANSI FUNCTION CODE: 87 M, FOR ROTATING MACHINES
✓ IN STOCK!
£1,606.49
Price with VAT:
£1,927.79
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!
£530.39
Price with VAT:
£636.46
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!
£2,129.30
Price with VAT:
£2,555.16
WESTINGHOUSE
1875289A
DISCONTINUED BY MANUFACTURER, C09-C511BA1, RELAY, OVERCURRENT, RELAY, OVERCURRENT, 4-12AMP ,TYPE CO-9
✓ IN STOCK!
£389.64
Price with VAT:
£467.57
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!
£119.93
Price with VAT:
£143.92
ASEA BROWN BOVERI
SSAC
PLS120A
DISCONTINUED BY MANUFACTURER, REVERSE PHASE RELAY, 3 PHASES, 120V, 10A
✓ IN STOCK!
£45.73
Price with VAT:
£54.88
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!
£45.86
Price with VAT:
£55.03
ASEA BROWN BOVERI
1SVR450423R0600
DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 3 PHASE
✓ IN STOCK!
£131.51
Price with VAT:
£157.82
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!
£1,350.77
Price with VAT:
£1,620.92
SIEMENS
3TX7110-5JC03
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 5-PIN, SQUARE BASE SPDT, 15A, 24VDC, USES SOCKET 3TX7144-4E7
✓ IN STOCK!
£20.47
Price with VAT:
£24.56
R-K ELECTRONICS
PVCL-400-AR
3 PHASE RELAY, LOW VOLTAGE, 440 TO 480VAC 3, 50/60 HZ, DPDT 240VAC CONTACTS, 5 SECOND TRIP TIME, SCREW TERMINALS, SURFACE MOUNTING
✓ IN STOCK!
£140.23
Price with VAT:
£168.28
TIME MARK CORP
173-5-240
AC CURRENT MONITOR, 120/240VAC, 10A, 240MA
✓ IN STOCK!
£60.15
Price with VAT:
£72.18
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!
£463.29
Price with VAT:
£555.95
ASEA BROWN BOVERI
SSAC
WLM645A5S
SSAC, ASEA BROWN BOVERI, WLM645A5S, VOLTAGE MONITOR THREE PHASE, 200/240VAC, 5SEC TRIP DELAY
✓ IN STOCK!
£68.31
Price with VAT:
£81.97
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!
£33.67
Price with VAT:
£40.40
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!
£174.14
Price with VAT:
£208.96
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!
£95.51
Price with VAT:
£114.61
KEARNEY NATIONAL INC
22.017-04-600-A/4H
DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 600AMP
✓ IN STOCK!
£12.90
Price with VAT:
£15.48
KEARNEY NATIONAL INC
22.017-03-200-A/4H
DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 200 AMP
✓ IN STOCK!
£12.90
Price with VAT:
£15.48
ASEA BROWN BOVERI
BALDOR RELIANCE
69326-2R
RELAY, POWER TYPE, 24VDC COIL
✓ IN STOCK!
£37.20
Price with VAT:
£44.64
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!
£171.23
Price with VAT:
£205.47
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-440-AFE
PHASE MONITOR/RELAY
✓ IN STOCK!
£219.53
Price with VAT:
£263.43
SCHNEIDER ELECTRIC
SQUARE D
PR-101-PLR
DISCONTINUED BY MANUFACTURER, RELAY PHASE LOSS/REVERSAL 5AMP 120VAC .01OHM 60HZ
✓ IN STOCK!
£72.15
Price with VAT:
£86.58
REGAL REXNORD
UNICO
303-237
DISCONTINUED BY MANUFACTURER, RELAY MODULE, LNO CONVERTER, INTERFACE ADAPTER FIBER OPTIC
✓ IN STOCK!
£257.86
Price with VAT:
£309.43
GOTRONIC
555100
DISCONTINUED BY MANUFACTURER, POWER LINE MONITOR, 480VAC, 50/60HZ
✓ IN STOCK!
£377.97
Price with VAT:
£453.57
EATON CORPORATION
COOPER POWER
8137869B0
FAULT INDICATOR LINAM 800AMP 1.81IN OD 3Q97
✓ IN STOCK!
£20.72
Price with VAT:
£24.86
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!
£719.00
Price with VAT:
£862.80
ASEA BROWN BOVERI
1SVR510730R0300
CM-UFS.M21 GRID FEEDING MONITOR
✓ IN STOCK!
£242.43
Price with VAT:
£290.91
TYCO
SIMPLEXGRINNELL
565-558
4009 EARTH DETECT BOARD ASSEMBLY
✓ IN STOCK!
£30.94
Price with VAT:
£37.13
