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

201A-AU 3-PHASE PLUG-IN VOLT MON/ 190- Littelfuse Inc.	8 In Stock	1 : ¥1,148.31000 Bulk	201A-AU	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC	Energized High/Low	190 ~ 480V AC	Fixed, 1 Sec; 1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Socketable
201A-AU-OT 3-PH PLUG-IN VM/190-480V/ADJ. Littelfuse Inc.	1 In Stock	1 : ¥1,227.69000 Bulk	201A-AU	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC	Energized High/Low	190 ~ 480V AC	Fixed, 1 Sec; 1 Sec ~ 30 Sec	190 ~ 480VAC	Relay	SPDT (1 Form C)	10A @ 240VAC	Socketable
201-575-AU-OT 3-PH PLUG-IN VM/ 575V/ ADJ. VU Littelfuse Inc.	0 In Stock Check Lead Time	1 : ¥1,350.50000 Bulk	201A-AU	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC	Energized High/Low	475 ~ 600V AC	Fixed, 1 Sec; 1 Sec ~ 30 Sec	475 ~ 600VAC	Relay	-	10A @ 240VAC	Socketable
201575-AU 3-PHASE PLUG-IN VOLT.MONITOR/5 Littelfuse Inc.	0 In Stock Check Lead Time	1 : ¥1,374.16000 Bulk	201A-AU	Bulk	Active	Voltage Asymmetry, Voltage Sensing AC	Energized High/Low	475 ~ 600V AC	Fixed, 1 Sec; 1 Sec ~ 30 Sec	475 ~ 600VAC	Relay	-	10A @ 240VAC	Socketable

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Relay Output Monitors

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.