Relay Output Monitors

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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 3-PHASE VOLT MON/ 190-480V/ AD Littelfuse Inc.	13 In Stock 1,785 Factory	1 : $240.27000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Chassis Mount
460-VBM 3-PHASE VOLT MON/ 190-480V/ AD Littelfuse Inc.	6 In Stock	1 : $244.74000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Chassis Mount
460-14 3-PHASE VM/ 190-480V/ ADJ VUB Littelfuse Inc.	1 In Stock	1 : $310.64000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	DPST-NO/NC (1 Form A and B)	10A @ 240VAC	Chassis Mount
460-L 3-PHASE VOLT MON/ 190-480V/ AD Littelfuse Inc.	1 In Stock	1 : $222.72000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	Fixed, 4 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Chassis Mount
460-B 3-PHASE VOLT MON/ 190-480V/AD Littelfuse Inc.	1 In Stock 105 Factory	1 : $240.27000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Chassis Mount
460-575 3-PHASE VOLT MON/ 475-600V/ AD Littelfuse Inc.	0 In Stock Check Lead Time	1 : $240.03000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	475 ~ 600V AC	1 Sec ~ 30 Sec	475 ~ 600VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Chassis Mount
460-15 3-PHASE VM/ 190-480V/ ADJ VUB Littelfuse Inc.	1 In Stock 12 Factory	1 : $310.64000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	SPST-NO (1 Form A) x 2	10A @ 240VAC	Chassis Mount
460-400HZ 3-PHASE VM 190-480V DIN RAIL Littelfuse Inc.	0 In Stock Check Lead Time	1 : $244.74000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	Fixed, 2 Sec, 4 Sec	190 ~ 480VAC	Relay	-	10A @ 240VAC	DIN Rail
460-575-14 3-PHASE VOLT.MONITOR/ 575V/ 1 Littelfuse Inc.	0 In Stock Check Lead Time	1 : $291.40000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	475 ~ 600V AC	Fixed, 2 Sec, 4 Sec	190 ~ 480VAC	Relay	-	10A @ 240VAC	DIN Rail
460-MR 3-PHASE VM/ 190-480V/ ADJ VUB Littelfuse Inc.	0 In Stock Check Lead Time	1 : $291.40000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	Fixed, 2 Sec, 4 Sec	190 ~ 480VAC	Relay	-	10A @ 240VAC	DIN Rail
460L-OEM 3-PH VOLT.MON./190-480V/ADJ.RD Littelfuse Inc.	0 In Stock 1 Factory Check Lead Time	1 : $3,422.70000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	Fixed, 4 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Chassis Mount
460-OEM 3-PH VM/190-480V/ADJ.VUBTDRD Littelfuse Inc.	0 In Stock Check Lead Time	1 : $3,428.21000 Bulk	460	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC, Phase Loss	Energized High/Low	190 ~ 480V AC	Fixed, 2 Sec, 4 Sec	190 ~ 480VAC	Relay	-	10A @ 240VAC	DIN Rail

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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.