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Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Type
Trip Status
Trip Range
Delay Time
Voltage - Supply
Output Type
Circuit
Contact Rating @ Voltage
Mounting Type
460
460
3-PHASE VOLT MON/ 190-480V/ AD
Littelfuse Inc.
49
In Stock
1 : 120,87000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing AC, Phase LossEnergized High/Low190 ~ 480V AC1 Sec ~ 30 Sec190 ~ 480VACRelaySPDT (1 Form C)10A @ 240VACChassis Mount
TCSGAA
TCSGAA
MODULE CUR SENSOR 2-20A 3-50VDC
Littelfuse Inc.
48
In Stock
1 : 93,86000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized High2 ~ 20A AC--Solid StateSPST-NO (1 Form A)-Chassis Mount
201A-AU
201A-AU
3-PHASE PLUG-IN VOLT MON/ 190-
Littelfuse Inc.
25
In Stock
1 : 131,12000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing ACEnergized High/Low190 ~ 480V ACFixed, 1 Sec; 1 Sec ~ 30 Sec190 ~ 480VACRelaySPDT (1 Form C)10A @ 240VACSocketable
ECS41BC
ECS41BC
CUR SENSE MONITOR 120VAC 2-20A
Littelfuse Inc.
33
In Stock
53
Factory
1 : 152,56000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized High/Low2 ~ 20A AC0.5 Sec ~ 50 Sec120VACRelaySPDT (1 Form C)10A @ 240VACChassis Mount
250A
250A
3-PHASE VOLTAGE MONITOR/ 190-4
Littelfuse Inc.
31
In Stock
638
Factory
1 : 187,51000 €
Bulk
Bulk
ActiveVoltage Sensing ACEnergized High/Low190 ~ 480V ACFixed, 4 Sec190 ~ 480VACRelayDPDT (2 Form C)10A @ 240VACChassis Mount
PLM9405
PLM9405
RELAY 480VAC VOLT PHASE MONITOR
Littelfuse Inc.
190
In Stock
1 : 156,30000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing AC, Phase LossEnergized Low400 ~ 480V ACFixed, 5 Sec480VACRelaySPDT (1 Form C)10A @ 240VACSocketable
PLMU11 Series
PLMU11
3 PHASE LINE MONITOR
Littelfuse Inc.
0
In Stock
1 : 177,92000 €
Bulk
Bulk
ActiveVoltage Sensing AC-200 ~ 480V AC0.25 Sec ~ 30 Sec200 ~ 480VACRelaySPDT (1 Form C)10A @ 240VACSocketable
LSRX
LSRX
CURRENT SENSOR W/RELAY 5-200A
Littelfuse Inc.
32
In Stock
173
Factory
1 : 76,43000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized High5 ~ 200A ACNo Delay-RelaySPST-NO (1 Form A)5A @ 240VACChassis Mount
LSRX-C
LSRX-C
CURRENT SENSOR W/RELAY 5-200A
Littelfuse Inc.
11
In Stock
123
Factory
1 : 77,17000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized High5 ~ 200A ACNo Delay-RelaySPST-NO (1 Form A)5A @ 240VACChassis Mount
TCSHAA
TCSHAA
MODULE CUR SENSOR 2-20A 24-240V
Littelfuse Inc.
0
In Stock
1 : 93,86000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized High2 ~ 20A AC--Solid StateSPST-NO (1 Form A)-Chassis Mount
201A Series
201A
3-PHASE PLUG-IN VOLTAGE MONITO
Littelfuse Inc.
9
In Stock
940
Factory
1 : 123,48000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing ACEnergized Low190 ~ 480V ACFixed, 2 Sec, 4 Sec190 ~ 480VACRelaySPDT (1 Form C)10A @ 240VACSocketable
233P-1.5-ENCL
233P-1.5-ENCL
1-PHASE PUMPSAVERPLUS / 230V
Littelfuse Inc.
0
In Stock
1 : 230,98000 €
Bulk
Bulk
ActiveVoltage Sensing ACEnergized High/Low190 ~ 265V ACFixed, 4 Sec, 5 Sec230VACRelaySPST-NO (1 Form A)10A @ 240VACChassis Mount
TCSGAB
TCSGAB
MODULE CUR SENSOR 2-20A 3-50VDC
Littelfuse Inc.
6
In Stock
1 : 93,86000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized High2 ~ 20A AC--Solid StateSPST-NC (1 Form B)-Chassis Mount
460-B
460-B
3-PHASE VOLT MON/ 190-480V/AD
Littelfuse Inc.
3
In Stock
1 : 120,87000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing AC, Phase LossEnergized High/Low190 ~ 480V AC1 Sec ~ 30 Sec190 ~ 480VACRelaySPDT (1 Form C)10A @ 240VACChassis Mount
460-200-SP
460-200-SP
1-PHASE VOLTAGE MONITOR/ 190-2
Littelfuse Inc.
8
In Stock
1 : 123,33000 €
Bulk
Bulk
ActiveVoltage Sensing ACEnergized High/Low190 ~ 240V ACFixed, 4 Sec190 ~ 240VACRelaySPDT (1 Form C)10A @ 240VACChassis Mount
PLM6405
PLM6405
RELAY 240VAC VOLT PHASE MONITOR
Littelfuse Inc.
2
In Stock
1 : 150,12000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing AC, Phase LossEnergized Low200 ~ 240V ACFixed, 5 Sec240VACRelaySPDT (1 Form C)10A @ 240VACSocketable
ECSL41AD
ECSL41AD
CUR SENSE MONITOR 120VAC 2-20A
Littelfuse Inc.
0
In Stock
30
Factory
1 : 156,79000 €
Bulk
Bulk
ActiveCurrent Sensing ACEnergized Low2 ~ 20A AC0.15 Sec ~ 7 Sec120VACRelaySPDT (1 Form C)10A @ 240VACChassis Mount
460-14
460-14
3-PHASE VM/ 190-480V/ ADJ VUB
Littelfuse Inc.
0
In Stock
1 : 160,04000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing AC, Phase LossEnergized High/Low190 ~ 480V AC1 Sec ~ 30 Sec190 ~ 480VACRelayDPST-NO/NC (1 Form A and B)10A @ 240VACChassis Mount
HLMUDLAAA
HLMUDLAAA
3 PHASE VOLTAGE MONITOR
Littelfuse Inc.
18
In Stock
1 : 172,58000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing AC, Phase LossEnergized High/Low200 ~ 480V AC1 Sec ~ 30 Sec200 ~ 480VACRelayDPDT (2 Form C)10A @ 240VACChassis Mount
102A2
102A2
3-PHASE VOLTAGE MONITOR/ 190-4
Littelfuse Inc.
5
In Stock
167
Factory
1 : 181,07000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing ACEnergized High/Low190 ~ 480V ACFixed, 2 Sec, 4 Sec190 ~ 480VACRelaySPDT (1 Form C)10A @ 240VACChassis Mount
SCR430T
SCR430T
RELAY SENSOR UNIVRSL LIGHT ALARM
Littelfuse Inc.
0
In Stock
1 : 223,63000 €
Bulk
Bulk
Active---Fixed, 6 Sec120VACRelaySPDT (1 Form C)10A @ 240VAC/30VDCChassis Mount
111P-ENCL
111P-ENCL
1-PHASE PUMPSAVERPLUS / 115 V
Littelfuse Inc.
3
In Stock
3
Factory
1 : 230,98000 €
Bulk
Bulk
ActiveVoltage Sensing ACEnergized High/Low95 ~ 132.5V ACFixed, 4 Sec, 5 Sec115VACRelaySPST-NO (1 Form A)16A @ 120VACChassis Mount
35020028
35020028
3-PHASE VOLT MON/ 190-240V/ AD
Littelfuse Inc.
2
In Stock
10
Factory
1 : 240,75000 €
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing ACEnergized Low190 ~ 240V ACFixed, 2 Sec, 4 Sec190 ~ 240VACRelayDPDT (2 Form C)15A @ 240VACChassis Mount
233P
233P
1-PHASE PUMPSAVERPLUS/ 230V/ 1
Littelfuse Inc.
0
In Stock
752
Factory
1 : 245,67000 €
Bulk
Bulk
ActiveVoltage Sensing ACEnergized High/Low190 ~ 265V ACFixed, 4 Sec, 5 Sec230VACRelaySPST-NO (1 Form A)17A @ 240VACChassis Mount
3554005
3554005
3-PHASE VM/ 380-480V/ ADJ VUB
Littelfuse Inc.
5
In Stock
59
Factory
1 : 214,22000 €
Bulk
1 : 289,37000 €
Bulk
Bulk
Bulk
ActiveVoltage Asymmetry, Voltage Sensing ACEnergized High/Low380 ~ 480V ACFixed, 2 Sec; 2 Sec ~ 30 Sec380 ~ 480VACRelayDPDT (2 Form C)10A @ 600VACChassis Mount
Showing
1 - 25
of 229

Monitor - Relay Output


Relay output monitors detect abnormal output of industrial relays and trigger a logical output or set of contacts. Common detection types include; AC and DC current or voltage, voltage asymmetry, ground fault, temperature monitoring, phase loss, and sequence or imbalance. They are selectable by trip range, delay time, supply voltage, mounting type, and switch circuitry.