Protection Relays & Systems

(1141 results)

Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.

Part # Manufacturer Description Availability Pricing Quantity
Red Lion_APMR0086

APMR0086

Protection Relays & Systems
Red Lion 3 PHASE FAULT DETECTOR 380VAC
In Stock
-
Red Lion_APMR0096

APMR0096

Protection Relays & Systems
Red Lion 3 PHASE FAULT DETECTOR 480VAC
In Stock
-
Phoenix Contact_2916024

2916024

Protection Relays & Systems
Phoenix Contact MODULE DIGITAL OUTPUT IP20
In Stock
-
TE Connectivity_WOUV-125DC-P

WOUV-125DC-P

Protection Relays & Systems
TE Connectivity General Purpose Relays RELAY OVER/UNDERVOLT
In Stock
-
TE Connectivity_1-1616058-7

1-1616058-7

Protection Relays & Systems
TE Connectivity A703GS equal RELAY 400 AMP
In Stock
-
TE Connectivity_1-1616058-8

1-1616058-8

Protection Relays & Systems
TE Connectivity A703K Equal RELAY
In Stock
-
TE Connectivity_2-1618100-8

2-1618100-8

Protection Relays & Systems
TE Connectivity D101-5X equal WILMAR CLOSE DIFFERENT
1
-
TE Connectivity_2-1618375-1

2-1618375-1

Protection Relays & Systems
TE Connectivity Electromechanical Relay SPDT
1
-
TE Connectivity_2-1618274-1

2-1618274-1

Protection Relays & Systems
TE Connectivity Electromechanical Relay SPDT
In Stock
-
TE Connectivity_2-1618274-2

2-1618274-2

Protection Relays & Systems
TE Connectivity HC-1/S55=RELAY, VACUUM, SPDT
In Stock
-
TE Connectivity_2-1618382-3

2-1618382-3

Protection Relays & Systems
TE Connectivity K41C-13 equal RELAY, VACUUM, SPDT
In Stock
-
TE Connectivity_5-1618388-6

5-1618388-6

Protection Relays & Systems
TE Connectivity LEV200A6ANA=RELAY, SPST-NO
In Stock
-
TE Connectivity_1-1617058-6

1-1617058-6

Protection Relays & Systems
TE Connectivity 41JOZ-91236 equal RELAY,ELECTROMAG
In Stock
-
TE Connectivity_WUV-125DC

WUV-125DC

Protection Relays & Systems
TE Connectivity Electromechanical Relay 125VDC 5A SPST-NO/SPST-NC Flange Protective Relay
In Stock
-
TE Connectivity_6-1618107-9

6-1618107-9

Protection Relays & Systems
TE Connectivity Wouvt-1-208Ac-P Wilmar Over/Un
In Stock
-
TE Connectivity_1004X

1004X

Protection Relays & Systems
TE Connectivity Electromechanical Relay 460VAC 10A SPST-NO Flange Protective Relay
In Stock
-
TE Connectivity_1618113-7

1618113-7

Protection Relays & Systems
TE Connectivity Electromechanical Relay ( ()) Under Voltage
1
-
TE Connectivity_3-1618065-6

3-1618065-6

Protection Relays & Systems
TE Connectivity 1840DBX-A equal WILMAR PARALLELING R
In Stock
-
TE Connectivity_4-1618071-6

4-1618071-6

Protection Relays & Systems
TE Connectivity 252-2X Equal Wilmar Over/Under
3
-
TE Connectivity_WD5051-001

WD5051-001

Protection Relays & Systems
TE Connectivity Electromechanical Relay 18/54VDC 5A DPDT(73x75x112)mm Flange Protective Relay
In Stock
-
TE Connectivity_WOV-3-480

WOV-3-480

Protection Relays & Systems
TE Connectivity Electromechanical Relay 480VAC 5A SPST-NO/SPST-NC Flange Protective Relay
In Stock
-
TE Connectivity_WUV-48DC

WUV-48DC

Protection Relays & Systems
TE Connectivity Electromechanical Relay 48VDC 5A SPST-NO/SPST-NC Flange Protective Relay
In Stock
-
TE Connectivity_WD2759-001

WD2759-001

Protection Relays & Systems
TE Connectivity OVER/UNDERVOLTAGE RELAYS
In Stock
-
TELE Controls, Inc._E1PF480Y/277VSY01

E1PF480Y/277VSY01

Protection Relays & Systems
TELE Controls, Inc. PHASE MONITOR RELAY 3-PH
59
-
TELE Controls, Inc._G2PU690VS20

G2PU690VS20

Protection Relays & Systems
TELE Controls, Inc. 180-690V PHASE LOSS MONITOR
6
-