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 authorized 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 authorized dealers. Because Radwell is not an authorized 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-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 ...
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CAN$981.01
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SCHWEITZER ENGINEERING
SEL-287V-287V02-45X6XHGB
RELAY, DIFFERENTIAL LEVEL, VOLTAGE CONTROLLER, FOR GROUNDED SHUNT CAPACITOR BANK PROTECTION
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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 ...
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CAN$8,814.10
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SCHNEIDER ELECTRIC
MERLIN GERIN
CM4000MG
DISCONTINUED BY MANUFACTURER, CIRCUIT MONITOR, 4000 SERIES, POWERLOGIC, UP TO 32MB MEMORY, 240 VAC, 300 VDC, 96 MA
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CAN$7,051.28
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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
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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
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CAN$1,563.03
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WESTINGHOUSE
293B285A11
DISCONTINUED BY MANUFACTURER, RELAY, SYNCHRO-VERIFIED, TYPE CVE, 120 V, 60 HZ
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CAN$762.10
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SEL
071001D6X9X71870200
MOTOR PROTECTION RELAY, POWER SUPPLY 110-250 VDC, 110-240 VAC 50/60 HZ, 40 VA/15W, ENCLOSURE TYPE 12, TERMINAL PROTECTION
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SCHWEITZER ENGINEERING
SEL-751A-751A51A0X0X71850000
DISCONTINUED BY MANUFACTURER, FEEDER PROTECTION RELAY, MODEL SEL-751A, 20 W / 40 VA, 110-250 V, 50/60 HZ
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CAN$3,080.15
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WESTINGHOUSE
BE15127R
DISCONTINUED BY MANUFACTURER, RELAY TIMER, OVERCURRENT, W/VOLTAGE RESTRAINT
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CAN$4,036.26
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EATON CORPORATION
CUTLER HAMMER
D65VMLS480C
VOLTAGE / PHASE MONITORING RELAY, D65 SERIES, 480 V, SURFACE (DIN RAIL) MOUNTING
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LITTELFUSE
STARTCO ENGINEERING
SE-330-00-00
RESISTANCE MONITOR, NEUTRAL GROUNDING, SE-330 SERIES, 120/240VAC/DC, 4-20 MA, DELAY TIME 0.1/10 SECONDS, HARMONIC FILTERING, MANUAL RESET,PANEL MOUNT
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ASEA BROWN BOVERI
419B0042
DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, MODEL 87B, CIRCUIT SHIELD, HIGH IMPEDANCE, 125 VDC, 25/50/60 HZ
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CAN$2,465.82
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ASEA BROWN BOVERI
BALDOR RELIANCE
64418-1RR
DISCONTINUED BY MANUFACTURER, RELAY, 300 VOLT, 1 AMP, 2.5 VOLT DC
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CAN$1,344.64
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SCHNEIDER ELECTRIC
SQUARE D
GC-200D
DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, 120 VAC, 24 VDC, DIN RAIL MOUNT, 5A/10A TRIP ALARM
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CAN$2,277.36
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ALLEN BRADLEY
1420-V2-ENT
POWER MONITOR 500, 600 VAC, ELECTRIC POWER INDICATOR, 600 VAC, ETHERNET/IP COMMUNICATION
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CAN$1,998.48
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WESTINGHOUSE
1545336-A
DISCONTINUED BY MANUFACTURER, RELAY, 120 VAC, 125 VDC, 60 CYCLE
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CAN$1,567.04
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HAYASHI WATCH-WORKS
LA-150RX-P
DISCONTINUED BY MANUFACTURER, LIGHT SOURCE TRANSMISSION, WARNING LAMP LED'S
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CAN$881.41
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SCHWEITZER ENGINEERING
SEL-311C-0311C00H24254X1
DISCONTINUED BY MANUFACTURER, TRANSMISSION PROTECTION SYSTEM, LOGIC INPUT: 150 WYE / 125 VAC / 5 PHASE / 5N, POWER SUPPLY: 25 W / 125-250 / 120-230 V / 50/60 HZ
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CAN$9,307.69
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BENDER
B91067210W
DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE, HIGH-PERFORMANCE, ISOMETER AND DISPLAY BUNDLE, 24-240 V, 50-400 HZ, SHOCK RESISTANT, 0-20 MA OUTPUTS
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CAN$5,582.27
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SCHWEITZER ENGINEERING
SEL-351A-0351A00324554X1
DISCONTINED BY MANUFACTURER, PROTECTION SYSTEM, SEL-351, DIRECTIONAL OVERCURRENT RELAY, RECLOSING RELAY, FAULT LOCATOR, SELOGIC CONTROL EQUATIONS, POWER SUPPLY RATING:38-200 VDC, 85-140 VAC, ...
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CAN$2,669.98
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GENERAL ELECTRIC
12JBC53L3A
DISCONTINUED BY MANUFACTURER, RELAY / PHASE DIRECTIONAL OVERCURRENT, TYPE JBC, 120 V, 60 CYCLES, INVERSE TIME OVERCURRENT 1.5/6 AMP, INSTANTANEOUS OVERCURRENT 4-16 AMP, DIRECTIONAL PICK-UP 2 ...
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CAN$919.19
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SCHWEITZER ENGINEERING
SEL-311B-0311B00H23254X1
PROTECTION AND AUTOMATION SYSTEM, SEL-311B, 120VAC, 50/60HZ, 25WATT
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WESTRONICS INC
SBAG-202
DISCONTINUED BY MANUFACTURER, GROUNDING RESISTANCE MONITOR, LOW INSULATION, W/ ALARM, 220VAC, 50/60HZ, REPLACEMENT: SBAG-202(N)
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CAN$1,260.87
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GENERAL ELECTRIC
12SBC23B1D
DISCONTINUED BY MANUFACTURER, STATIC BREAKER BACKUP RELAY, SBC TYPE, 125 VDC, 10 AMPS, 60 HZ
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CAN$2,409.19
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SIEMENS
3UG49831A
COUPLING UNIT F. 3UG4583 690VAC/1000VDC, UPSTREAM MODULE FOR INSULATION MONITORING RELAY 3UG4583 TO EXPAND THE SUPPLY VOLTAGE RANGE TO 690 V AC AND 1000 V DC SCREW TERMINAL
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CAN$977.31
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BENDER
IRDH275B-427
DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE
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CAN$4,540.14
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WESTINGHOUSE
1344D82A22C
DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, TYPE MDF-2, 110/120 VAC, 50/60 HZ, 125 VDC,
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CAN$1,566.82
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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)
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S&C ELECTRIC
92544R3-D
POWER FUSE, SMD-20 CUTOUT, MOUNTING 34.5KV VOLTAGE, POLE-TOP, WITH PAR GROVVOVE CONNECTION, UPPER/LOWER END FITTING
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S&C ELECTRIC
464100R3
DISCONTINUED BY MANUFACTURER, FUSE, MEDIUM VOLTAGE FUSE,AIC RATING [email protected], MIN AMP100, 34500 VOLTAGE
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CAN$3,787.66
WESTINGHOUSE
671B366A11A
DISCONTINUED BY MANUFACTURER, MECHANICAL PROTECTIVE RELAY, INDICATOR-0.2-2AMPS, 120-VOLTS, 48-250-VOLTS, 60-HERTZ
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CAN$846.77
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GENERAL ELECTRIC
12JBC53K1A
DISCONTINUED BY MANUFACTURER, PHASE DIRECTIONAL RELAY, 120 VOLTS, 60 CYCLES
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CAN$1,046.01
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ASEA BROWN BOVERI
443T2341
DISCONTINUED BY MANUFACTURER, RELAY, TIME OVERCURRENT, CIRCUIT SHEILD, 51Y TYPE, 125 VDC, 4-12 AMP TOC, 2-20 AMP IOC
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CAN$2,127.52
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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
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CAN$1,890.43
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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 ...
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CAN$1,357.37
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WESTINGHOUSE
718B784A25
DISCONTINUED BY MANUFACTURER, MECHANICAL PROTECTIVE RELAY, VOLTS-125, LOCKOUT INDICATOR, 20 INCHES X 7 INCHES X 8 INCHES
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CAN$925.11
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GENERAL ELECTRIC
NGV13B29A
AC UNDER VOLTAGE RELAY, TYPE NGV, 120V/50-60HZ, 80-120V DROPOUT CALIBRATION, 2.0 AMP
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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
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GENERAL ELECTRIC
12GCXG51A12A
DISCONTINUED BY MANUFACTURER, DISTANCE RELAY, 5 AMP, 60 CYCLE, 120 V
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CAN$1,081.06
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REGAL REXNORD
KOP FLEX
2 1/2F SB SLEEVE
COMPLETE GEAR COUPLING, SIZE 2-1/2 INCH SOLID, SHROUDED BOLT, FULL FLEX, 8-3/8 INCH OUTER DIAMETER, 6-3/16 INCH LENGTH , 2 1/2F SB SLEEVE
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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
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CEE
HTG 7025
DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, SUGGESTED REPLACEMENT HDG7020
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CAN$2,801.42
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DOLD
AN5969-AC50/60HZ-230V
DISCONTINUED BY MANUFACTURER, FAULT ANNUNCIATOR, INFOMASTER, 10 POLE, W/ LED
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CAN$1,037.71
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SCHWEITZER ENGINEERING
SEL-710-071001ABA0X0X850001
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 ...
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CEE
ITV 7164
DISCONTINUED BY MANUFACTURER, PROTECTION RELAY, 5 AMP, 110 V, 50/60 HZ, SUGGESTED REPLACEMENT ITV7166
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CAN$727.13
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GENERAL ELECTRIC
12JBCG77K10A
DISCONTINUED BY MANUFACTURER, RELAY / GROUND DIRECTIONAL OVERCURRENT, TYPE JBC6, 5 AMP, 120 V, 60 CYCLES, OVERCURRENT / 0.5/2.0, INSTANTANEOUS OVERCURRENT / 4-16 AMP, DIRECTIONAL UNIT PICK-U ...
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CAN$2,015.23
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