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.
Filter Results
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMI-120-ASE-1
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMI MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC, 50/60 HZ, CURRENT TRIP POINTS - 0.2-1 AMP
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMI-120-ASE-5
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMI MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC, 50/60 HZ, CURRENT TRIP POINTS - 1-5 AMP
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMO-120-ASA-10
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, PLUG-IN ENCLOSURE, CURRENT TRIP POINTS - 2- ...
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMO-120-ASE-20
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMU-120-ASA-1
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMU MODEL, 10 AMPS RES @ 120 V AC OUTPUT, DPDT, 120 V AC/DC CONTROL, 50/60 HZ, CURRENT TRIP POINTS - 1-5 AMP, 11-PIN, PLUG-IN MOUNT
✓ IN STOCK!
Repair Yours
$200.00
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CDD-120-ALE-20
UNIVERSAL DC CURRENT MONITOR RELAY,
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMB-120-AFA-10
CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 10 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-230-ALA
PHASE MONITOR RELAY, DPDT, 10A, 240VAC; PRODUCT RANGE:SLA SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:PLUG IN; SWITCHING VOLTAGE MAX:240VA ...
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-230-ALE
RELAY, SLA SERIES, PHASE MONITORING, 190-270 VAC, 5A @ 240 V, 9-PIN, SCREW TERMINAL
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-440-ALER
PHASE MONITORING RELAY, 430-480 V, SPDT, 3A/600VAC, SCREW TERMINAL, SLA SERIES
✓ IN STOCK!
Repair Yours
$318.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-460-AFE
PHASE MONITOR/RELAY, 460VAC , 3 PHASE
✓ IN STOCK!
Repair Yours
$303.32
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLB-400-ALEA
PHASE UNBALANCE & LOSS & PHASE SEQUENCE MONITOR/RELAY, LED STATUS INDICATOR, 3.25 IN X 4 IN X 3 IN, MOUNTING:SURFACE, OUTPUT RELAY:SPDT
✓ IN STOCK!
Buy Surplus As Low As
$157.57
Repair Yours
$300.00
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!
Repair Yours
$377.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLU-0200
PHASE MONITORING RELAY, SPDT, 200-500VAC; PRODUCT RANGE:-; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:PLUG IN; SWITCHING VOLTAGE MAX:240VAC; SUPP ...
✓ IN STOCK!
Repair Yours
$200.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-120/208-ALE
PHASE VOLTAGE MONITORS, WYE, ADJUSTABLE 3 PHASE-VOLTAGE MONITOR
✓ IN STOCK!
Repair Yours
$339.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-120-ALE
PHASE VOLTAGE MONITORS
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-440-ALE
PHASE VOLTAGE MONITORS, 3 PHASE-VOLTAGE MONITOR, DELTA, 390V-540V
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-480-ALE
PHASE VOLTAGE MONITOR,3 PHASE, 480 VAC, DPDT OUTPUT RELAY
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$427.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PRA-100-AFN
PHASE SEQUENCE MONITOR,
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PRA-100-AFN-400
PHASE SEQUENCE MONITOR RELAY 10AMP 208-480VAC
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SUA-380-ASA
PHASE MONITOR RELAY,
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-208-ALA
SINGLE PHASE UNDER VOLTAGE MONITOR/RELAY
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-240-AKA
UNDER VOLTAGE MONITOR, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, KNOB ADJUSTMENT, 8 PIN
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
VBA-12-DLA
SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
BALDOR RELIANCE
64418-1RR
DISCONTINUED BY MANUFACTURER, RELAY, 300 VOLT, 1 AMP, 2.5 VOLT DC
✓ IN STOCK!
Buy Surplus As Low As
$1,266.89
Repair Yours
$946.37
BENDER
RCM420-D-1
GROUND-FAULT MONITOR, 10 AMP, 460 VAC, 94 VDC, 42- 2000 HZ, 10 MA, 1X NO/NC, START UP DELAY, LED INDICATOR, SCREW TYPE TERMINAL, DIN RAIL MOUNT
✓ IN STOCK!
Repair Yours
$390.00
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!
Repair Yours
$1,255.96
CONVERTEAM
ALSTOM
MVAJ13D1GB0780A
DISCONTINUED BY MANUFACTURER, TRIPPING AND CONTROL RELAYS, AC/DC OPERATION, LOW BURDEN, CONTACT MECHANISM: HR, CUTT-OFF: INSTANTANEOUS
✓ IN STOCK!
Buy Surplus As Low As
$600.00
Repair Yours
$498.00
