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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TIME MARK CORP
2628
VOLTAGE FREQUENCY MONITOR, OVER OR UNDER VOLTAGE MONITOR, 15-260V AC/DC, SIZE 3.52IN X 2.44IN X 1.75IN
✓ IN STOCK!
Repair Yours
$300.00
TIME MARK CORP
D264
DISCONTINUED BY MANUFACTURER, 3-PHASE MONITOR, NOMINAL AC VOLTAGE: 575 VOLT AC, ADJUSTMENT RANGE: 450-600 VOLT, FREQUENCY: 60 HZ, RESET TYPE: AUTOMATIC 2.5 WATTS, SCREW TERMINAL CONNECTION, ...
✓ IN STOCK!
Buy Surplus As Low As
$69.19
Repair Yours
$300.00
TIME MARK CORP
2581-220
3-PHASE-MONITORS,220VAC, SIZE 2IN X 2IN X 1.38IN
✓ IN STOCK!
Repair Yours
$300.00
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!
Buy Surplus As Low As
$233.97
Repair Yours
$300.00
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!
Repair Yours
$300.00
ASCO
214B69-480VAC
DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, 480 VAC, 50/60 HZ, 456V PICK UP, 408V DROP OUT
✓ IN STOCK!
Buy Surplus As Low As
$436.49
Repair Yours
$402.54
RADWELL
RAD-PM-002
PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
✓ IN STOCK!
Repair Yours
$300.00
GIC
MAC04D0100
VOLTAGE MONITORING RELAY, DPDT, 415VAC; PRODUCT RANGE:SM 500 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:5A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:250V; RELAY TERMINALS:SCREW; ...
✓ IN STOCK!
Repair Yours
Contact Us
OMRON
SDV-B-6
VOLTAGE SENSOR, 110VAC, 8PIN, 4-10V PICK UP, 70-95% OF PICK UP DROP OUT
✓ IN STOCK!
Repair Yours
$300.00
EATON CORPORATION
CUTLER HAMMER
C323PN12B
OBSOLETE, PHASE MONITOR RELAY, 208-240V, 50/60HZ
✓ IN STOCK!
Buy Surplus As Low As
$91.19
Repair Yours
$300.00
MOTOR PROTECTION ELEC. INC
002-480-123
DISCONTINUED BY MANUFACTURER, PHASE MONITOR , SUGGESTED REPLACEMENT IS 001-DVM-DR
✓ IN STOCK!
Buy Surplus As Low As
$88.00
Repair Yours
$300.00
ASEA BROWN BOVERI
1SVR550824R9100
PHASE MONITORING RELAY, SINGLE FUNCTION, CM-PFE SERIES, 3 PHASE,4 AMP, 28-440 VAC, 50/60 HZ, 1 C/O (SPDT) OUTPUT, SCREW TYPE TERMINALS, -20 TO +85 DEGREES C, IP20/50, (CM-PFE)
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
CM-ESS.1S
VOLTAGE MONITORING RELAY, SPDT, 4 AMP, 250 VAC, 750 MW, 81-12 AWG, SCREW TYPE TERMINALS, DIN RAIL MOUNT, -40 TO +85 DEGREE C, (1SVR730830R0300)
✓ IN STOCK!
Repair Yours
$300.00
KEARNEY NATIONAL INC
22.017-04-600-A/4H
DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 600AMP
✓ IN STOCK!
Buy Surplus As Low As
$13.79
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
GFD-100
THREE PHASE GROUND FAULT DISPLAY, 208 - 600 VAC, TERMINAL STYLE - WIRE LEADS, 0 C - 55 C
✓ IN STOCK!
Repair Yours
$304.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBE-440-ASE
THREE PHASE VOLTAGE BAND MONITOR RELAY
✓ IN STOCK!
Repair Yours
$541.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBD-440-ALE
3 PHASE SEQUENCE & VOLTAGE BAND MONITOR/RELAYS, MAX VOLTAGE 550 VAC, ADJUSTABLE RANGES 390-480 UNDER/440-540 OVER, DPDT, CONTACT RATING 600 VAC, AUTOMATIC RESET
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLU-100-ASD
PHASE MONITOR RELAY, SLU-100 SERIES, 3-PHASE, DIN RAIL MOUNT, UNIVERSAL, SPDT CONTACT FORM, 10 AMP, 550 VAC SUPPLY, 240 V RATING
✓ IN STOCK!
Repair Yours
$306.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLM-230-ASE
PHASE MONITOR, MICROPROCESSOR CONTROLLED, 200-250 VAC, CONTACTS: 10 AMP @ 240 VAC
✓ IN STOCK!
Repair Yours
$308.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLM-120-ASE
PHASE MONITORS MICROPROCESSOR CONTROLLED,
✓ IN STOCK!
Repair Yours
$322.91
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLE-440-ALE
RELAY, PHASE LOSS, UNBALANCE & UNDER VOLTAGE RELAY
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLD-440-ALE
PHASE MONITORING RELAY, 440-480 VAC, DPDT, 3 AMP, 600 VAC, SCREW TERMINATION
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-480-AFE
PHASE VOLTAGE MONITOR, RELAY, SLA SERIES, 480 VAC, SURFACE MOUNTED
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
CM-IVN.S
COUPLING UNIT, VOLTAGE RANGE EXPANSION FOR CM-IWN.1, 690 VAC / 1000 VDC, 15-400 HZ, DIN RAIL MOUNT, HOUSING IP50 / TERMINALS IP20, (1SVR750669R9400)
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3UL0303-0EA
DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, 230 VAC, 50/60 HZ, 0.03-3 AMP ADJUSTABLE, 0.02-1 SEC ADJUSTABLE TIME DELAY, LED INDICATOR, TEST AND RESET BUTTONS, SCREW CLAMP TERMINALS, DI ...
✓ IN STOCK!
Buy Surplus As Low As
$532.00
Repair Yours
$349.00
CEE
RMS700
DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY 1AMP 48VDC DIGITAL
✓ IN STOCK!
Buy Surplus As Low As
$600.00
Repair Yours
$498.00
GENERAL ELECTRIC
12CFD22B2A
DISCONTINUED BY MANUFACTURER,RELAY, HIGH SPEED DIFFERENTIAL, 5AMP, 60HZ, TYPE CFD
✓ IN STOCK!
Buy Surplus As Low As
$232.77
Repair Yours
$300.00
ALLEN BRADLEY
1420-V2-ENT
POWER MONITOR 500, 600 VAC, ELECTRIC POWER INDICATOR, 600 VAC, ETHERNET/IP COMMUNICATION
✓ IN STOCK!
Buy Surplus As Low As
$1,198.00
Repair Yours
$902.00
EATON CORPORATION
CUTLER HAMMER
15BA4-25E
BA-400/800, 15.5 MAX KV, 25E, EXPULSION , 15BA4-25E
✓ IN STOCK!
Repair Yours
$340.00
EATON CORPORATION
CUTLER HAMMER
9253C03H06
GROUND FAULT TRANSMITTER, 800,1AMP, 600VAC, 60HZ
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
RK 411 102-DE
OVER/UNDER VOLTAGE RELAY, 80-240 V, 50/60 HZ, AUXILIARY VOLTAGE: 110-125 AND 220-250 VDC, RXEG 21 SERIES
✓ IN STOCK!
Buy Surplus As Low As
$1,230.00
Repair Yours
$1,050.00
SYMCOM
201A
DISCONTINUED BY MANUFACTURER, PROTECTION RELAY, MOTORSAVER, PHASE LOSS DETECTION, REVERSE PHASE, 3 PHASE, 190/480 VAC, 50/60 HZ, 8-PIN PLUG-IN, SPDT OUTPUT, (REPLACED BY LITTELFUSE 201A)
✓ IN STOCK!
Buy Surplus As Low As
$90.00
SIEMENS
3RH11222JC40
CONTROL RELAY. 2NO+2NC
✓ IN STOCK!
Buy Surplus As Low As
$162.00
Repair Yours
$300.00
TIME MARK CORP
272-24
CURRENT-MONITORS, 3-PHASE CURRENT UNBALANCE DETECTOR, 1 - 5A, 24VAC, SIZE 6.06IN X 3.88IN X 2.7IN
✓ IN STOCK!
Repair Yours
$300.00
CROUZET
DUR24A
VOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 24 VAC, CAN BE REPLACED BY PN DUR110A. DIFFERENCE: 110V INPUT INSTEAD OF 24V. NEEDED: A DIFFERENT INPUT POWER IS NEEDED
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
CM-PFS
DISCONTINUED BY MANUFACTURER, ASEA BROWN BOVERI, CM-PFS, CMPFS, MONITORING RELAY, 4AMP, 3PHASE, 50/60HZ, 200-500V
✓ IN STOCK!
Buy Surplus As Low As
$89.55
SIEMENS
5TT3400
VOLTAGE RELAY, T5570 AC 230/400V, 1CO 0.7/0.9, WITH TRANSPARENT CAP
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7015-1BF02
DISCONTINUED BY MANUFACTURER, INPUT COUPLER, W/ PLUG-IN RELAY, 1CO CONTACT, SPRING-TYPE TERMINAL, 230V AC/DC, 50HZ, 1W
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TK20400AK6
MINIATURE POWER RELAY, SCREW TERMINALS, 4NO, SNAP-ON MOUNTING, STANDARD MOUNTING RAIL, AC OPERATION, 120VAC AT 60HZ, 110VAC AT 50HZ
✓ IN STOCK!
Buy Surplus As Low As
$165.65
Repair Yours
$300.00
GENERAL ELECTRIC
12IFC77A1A
DISCONTINUED BY MANUFACTURER, RELAY OVERCURRENT, INVERSE, 50/60 HZ, 1 - 12 AMPS
✓ IN STOCK!
Buy Surplus As Low As
$382.64
Repair Yours
$352.87
GENERAL ELECTRIC
MULTILIN
12PJG-11F-6A
DISCONTINUED BY MANUFACTURER, GROUND DETECTOR RELAY, TYPE PJG, 120-240 V, 50/60 HZ
✓ IN STOCK!
Buy Surplus As Low As
$408.00
Repair Yours
$388.17
WESTINGHOUSE
9-1210-00-105
VOLTAGE CONTROLLER MANUAL
✓ IN STOCK!
Buy Surplus As Low As
$799.90
Repair Yours
$698.86
ASEA BROWN BOVERI
1SVR630774R1300
DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, 2NO/2NC CONTACTS, PHASE FAILURE, PHASE IMBALANCE, PHASE SEQUENCE, 0 / 0.1-30 SECOND TIME DELAY, -25 TO +60 DEGREES C, (CM-PAS.31)
✓ IN STOCK!
Buy Surplus As Low As
$342.00
Repair Yours
$300.00
GENERAL ELECTRIC
12IFC53B2A
OVERCURRENT RELAY, INVERSE TIME, 2-50AMP
✓ IN STOCK!
Repair Yours
$300.00
