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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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
CROUZET
SYRELEC
DSR-24A
DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, VOLTAE RATING: 24VAC, OUTPUT CURRENT: [SPDT] 10A, OUTPUT VOLTAGE: 240VAC, DIN-RAIL MOUNT
✓ IN STOCK!
£141.73
Price with VAT:
£170.08
CROUZET
SYRELEC
DUFR-380A/220A
DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 3 PHASE, VOLTAGE RATING: 220/380VAC, OUTPUT: [SPDT] 10A, DESIGNATED LOW / HIGH THRESHOLD DIALS
✓ IN STOCK!
£174.13
Price with VAT:
£208.96
BASLER ELECTRIC
BE1-59-A4E-E1C-A0N0F
DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, INTERNALLY OPERATED, DEFINITE, SINGLE PHASE, 110-320 VAC PICKUP, SEMI-FLUSH MOUNTING
✓ IN STOCK!
£500.55
Price with VAT:
£600.66
GMC INSTRUMENTS
GOSSEN METRAWATT
U1389-V016
ENERGY METER, FOR 4 WIRE SYSTEM, 0.01-1 (6) AMP, 3 X 230/400 V, PROGRAMMABLE PULSE RATE: 1-10000 KWH'S/PULSES (V2), LON BUS CONNECTION (W1), CURRENT/VOLTAGE PROGRAMMABLE (Q1)
✓ IN STOCK!
£315.90
Price with VAT:
£379.08
SCHNEIDER ELECTRIC
P121A00Z112BD0
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!
£470.53
Price with VAT:
£564.64
SCHNEIDER ELECTRIC
P122A00Z112EB0
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!
£522.35
Price with VAT:
£626.82
INVENSYS
FOXBORO
FBM217
DISCONTINUED BY MANUFACTURER, INPUT INTERFACE MODULE, DISCRETE, GROUP ISOLATED, 32 INPUT, VOLTAGE MONITOR
✓ IN STOCK!
£300.48
Price with VAT:
£360.58
SCHNEIDER ELECTRIC
FEDERAL PIONEER
MGFR-1-ZB
120VAC CONTROL, 1-20 AMPS, 0-5 SECONDS DELAY.
✓ IN STOCK!
£125.65
Price with VAT:
£150.78
CONVERTEAM
MBCH12D1BD0752A
DISCONTINUED BY MANUFACTURER, RELAY, TRANSFORMER DIFFERENTIAL, 5 AMP / 110-125 V / 60 HZ
✓ IN STOCK!
£118.28
Price with VAT:
£141.94
TRAFOX
VR-12US
DISCONTINUED BY MANUFACTURER, GROUND FAULT MONITOR, 110-120 VAC, 60 HZ, 2.5 VA
✓ IN STOCK!
£186.20
Price with VAT:
£223.44
GENERAL ELECTRIC
NGV13B29A
AC UNDER VOLTAGE RELAY, TYPE NGV, 120V/50-60HZ, 80-120V DROPOUT CALIBRATION, 2.0 AMP
✓ IN STOCK!
£918.03
Price with VAT:
£1,101.64
SKYMATIC CONTROLS
GFR3FO00
DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, GFR-3 HOUSED IN A METAL ENCLOSURE, MECHANICALLY AND ELECTRICALLY LATCHED, (DISCONTINUED),120VAC, DPDT, 10A, 9VA MAX, TRIP RANGE: 10.0 TO 120 ...
✓ IN STOCK!
£98.83
Price with VAT:
£118.60
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CROUZET
SYRELEC
DWRA2230A
DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, WRA2 SERIES, 3 PHASE, 10 AMP, 230 VAC, 50/60 HZ, DIN RAIL MOUNT
✓ IN STOCK!
£104.12
Price with VAT:
£124.94
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SAMWHA
PMR-220N7
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, DIN-RAIL, 160-300 VAC, 1 SPDT, 50/60 HZ, 220 VAC SUPPLY
✓ IN STOCK!
£70.59
Price with VAT:
£84.71
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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!
£30.89
Price with VAT:
£37.07
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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
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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
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!
£285.80
Price with VAT:
£342.96
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
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
SCHWEITZER ENGINEERING
SEL-311C-0311C01H232122X
DISCONTINUED BY MANUFACTURER, TRANSMISSION PROTECTION SYSTEM, 1 AMP PHASE AND 1 AMP POLARIZING CURRENT INPUT, 25 W, 48-125 V POWER SUPPLY, 48 V LOGIC INPUT, 120 VAC, 50/60 HZ, ADDITIONAL 12 ...
✓ IN STOCK!
£3,092.72
Price with VAT:
£3,711.26
HAYASHI WATCH-WORKS
LA-150RX-P
DISCONTINUED BY MANUFACTURER, LIGHT SOURCE TRANSMISSION, WARNING LAMP LED'S
✓ IN STOCK!
£276.75
Price with VAT:
£332.10
ENDRESS & HAUSER
CM42-IAA101EAE00
TRANSMITTER LIQUID ANALYSIS MULTIPARAMETER, LOOP-POWERED. WORLDWIDE APPROVALS, HAZARDOUS AREAS DEVELOPED ACCORDING TO IEC 61508, PH/ORP, CONDUCTIVITY,OXYGEN (DO) DIGITAL SENSORS, MEMOSENS PR ...
✓ IN STOCK!
£2,092.17
Price with VAT:
£2,510.60
CEE
RAD7004
DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 110V
✓ IN STOCK!
£84.55
Price with VAT:
£101.46
ASEA BROWN BOVERI
419B0042
DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, MODEL 87B, CIRCUIT SHIELD, HIGH IMPEDANCE, 125 VDC, 25/50/60 HZ
✓ IN STOCK!
£2,142.57
Price with VAT:
£2,571.08
SCHWEITZER ENGINEERING
SEL-221G-221G05-4256MHGB
DISCONTINUED BY MANUFACTURER, PHASE/GROUND DISTANCE RELAY, POWER SUPPY 125VAC/DC 14W, LOGIC INPUT 125VDC
✓ IN STOCK!
£1,668.50
Price with VAT:
£2,002.20
WESTRONICS INC
SBAG-202
DISCONTINUED BY MANUFACTURER, GROUNDING RESISTANCE MONITOR, LOW INSULATION, W/ ALARM, 220VAC, 50/60HZ, REPLACEMENT: SBAG-202(N)
✓ IN STOCK!
£635.52
Price with VAT:
£762.62
BENDER
RCMS460-D-2
MULTI-CHANNEL GROUND FAULT MONITOR, UP TO 12 SEPARATE CHANNELS, TRIP VALUE IS ADJUSTABLE FROM 6 MA TO 20 A, 70-276 VAC (42-460 HZ), 70-276 VDC, FOR DC AND MIXED AC/DC SYSTEMS, B94053002
✓ IN STOCK!
£1,433.81
Price with VAT:
£1,720.57
ASEA BROWN BOVERI
BALDOR RELIANCE
64418ZA
RELAY 300VDC/1AMP
✓ IN STOCK!
£1,123.74
Price with VAT:
£1,348.49
ASEA BROWN BOVERI
BALDOR RELIANCE
64418-1RR
DISCONTINUED BY MANUFACTURER, RELAY, 300 VOLT, 1 AMP, 2.5 VOLT DC
✓ IN STOCK!
£1,032.62
Price with VAT:
£1,239.14
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
VBA-12-DLA
SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
✓ IN STOCK!
£295.63
Price with VAT:
£354.76
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-240-ALA
VOLTAGE MONITORING RELAY, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, LOCKNUT ADJUSTMENT, DPDT, 8-PIN OCTAL
✓ IN STOCK!
£158.81
Price with VAT:
£190.57
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-120-ALA
VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, 5 V HYSTERESIS, DPDT, LOCKNUT, 8-PIN OCTAL
✓ IN STOCK!
£126.31
Price with VAT:
£151.57
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-120-AKA
VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, KNOB ADJUSTMENTS, DPDT, 8-PIN OCTAL
✓ IN STOCK!
£85.03
Price with VAT:
£102.04
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-110-DLA
VOLTAGE MONITORING RELAY, UOA SERIES, 92-125 VDC DROP-OUT, 97-130 VDC PICK-UP, 5 V HYSTERESIS, LOCKNUT ADJUSTMENT
✓ IN STOCK!
£113.70
Price with VAT:
£136.44
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SUA-440-ASA
MONITORING RELAY, OPERATING VOLTAGE 430-480 ADJUSTABLE, 10 AMPS, ADJUSTMENT SCREW, OUTPUT RESISTIVE @ 240 VAC, 8 PIN OCTAL, SUA SERIES
✓ IN STOCK!
£105.87
Price with VAT:
£127.04
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBD-120-ALE
PHASE SEQUENCE AND VOLTAGE MONITOR, SERIES PBD, NO OF PHASES3, VOLTAGE SUPPORTED 120 VOLTS, HI PWR (OVER VLTG) TRIP , LO PWR (UNDER VLTG) TRIP, TYPE OF DISPLAY LED STATUS INDICATOR
✓ IN STOCK!
£414.47
Price with VAT:
£497.36
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-120-ALE
PHASE VOLTAGE MONITORS
✓ IN STOCK!
£394.66
Price with VAT:
£473.59
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLD-440-ASA
PHASE VOLTAGE MONITOR, SLD SERIES, 440/480 VAC, 370-460 V UNDERVOLTAGE DROPOUT RANGE, 3 VA, 10 VA, 8 PIN
✓ IN STOCK!
£193.50
Price with VAT:
£232.20
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLD-230-ALE
PHASE VOLTAGE MONITOR, 208/240 VAC, 185-230 V UNDER VOLTAGE DROPOUT RANGE, 3 VA, 5 VAC HYSTERESIS, DPDT OUTPUT
✓ IN STOCK!
£377.16
Price with VAT:
£452.59
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-440-ASA
PHASE SEQUENCE AND LOSS MONITOR, RELAY, E-MECH, SPDT, CUR-RTG 10 AMP, CTRL-V 430-480 VAC, VOL-RTG 240 VAC, 8 PIN
✓ IN STOCK!
£110.04
Price with VAT:
£132.05
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-440-ALER
PHASE MONITORING RELAY, 430-480 V, SPDT, 3A/600VAC, SCREW TERMINAL, SLA SERIES
✓ IN STOCK!
£310.05
Price with VAT:
£372.06
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-120-ASA
PHASE MONITOR/RELAY, 3-PHASE, 95-130V ADJ., 10A, PLUG-IN, SLA SERIES, 120VAC, SPDT (1 FORM C)
✓ IN STOCK!
£110.77
Price with VAT:
£132.92
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CBA-120-ALE-10
MONITOR / RELAY, AC OVER AND UNDER CURRENT BAND, 2 - 10 AMP ADJUSTABLE UNDER CURRENT RANGE, 2-10 AMP ADJUSTABLE OVER CURRENT RANGE, 120 VAC, 50/60 HZ
✓ IN STOCK!
£237.68
Price with VAT:
£285.22
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMU-120-ASE-20
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMU MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
✓ IN STOCK!
£171.91
Price with VAT:
£206.29
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMO-120-ASE-5
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMO MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
✓ IN STOCK!
£210.17
Price with VAT:
£252.20
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CML-120-ASE-5
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CML MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
✓ IN STOCK!
£232.54
Price with VAT:
£279.05
