About Supervisory Circuits

Union Supervisory Circuits

Supervisory circuits are electronic circuits used to monitor and control the operation of other circuits or systems. They are commonly found in appliances, industrial equipment and other electronic systems where reliable operation is required. Supervisory circuits monitor and control the behavior of other circuits and systems, providing feedback and making adjustments as necessary to keep them within acceptable parameters. They are generally composed of several parts, including sensors, comparators, alarms, timers, and relays. The sensors monitor the voltage, current, and temperature of the circuits and systems, while the comparators compare these values to normal operating parameters. Alarms are triggered when parameters are out of range, while the relays are used to activate corrective actions, such as turning off equipment or engaging a fail-safe mode. Timers are typically used to monitor the length of time a certain condition has been present, allowing the supervisor circuit to shut down the system before it is damaged by an enduring failure.

Supervisory Circuits

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(Ex. GST)(▲▼)		Enter Qty TypeMounting StyleOutput VoltagePackage / CaseThreshold VoltageNumber of Inputs MonitoredOutput TypeManual ResetWatchdogWatchdog TimersBattery Backup SwitchingReset Delay TimeSupply Voltage - MaxMinimum Operating TemperatureMaximum Operating TemperatureAccuracySeriesQualificationPackaging
  
                       
UM805RE


SOT-143-4 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 14021
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USD 0.1793
Multiples of: 5

                   
UM803MS


SOT23-3 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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USD 0.0841
Multiples of: 5

                   
UM809RS


SOT-23-3 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
Ships to you
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USD 0.0841
Multiples of: 5

                   
UM803SS


SOT23-3 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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between Thu. 06 Jun to Tue. 11 Jun Calender.png

USD 0.0907
Multiples of: 5

                   
UM810RS


SOT23-3 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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USD 0.1071
Multiples of: 5

                   
UM810SS


SOT23-3 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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USD 0.1173
Multiples of: 5

                   
UM810TS


SOT23-3 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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USD 0.1173
Multiples of: 5

                   
UM823TS


SOT-23-5 Monitors & Reset Circuits ROHS
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Union 2910
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USD 0.1985
Multiples of: 5

                   
UM813SS


SOP8 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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between Thu. 06 Jun to Tue. 11 Jun Calender.png

USD 0.2414
Multiples of: 5

                   
UM708MS


SOP8 Monitors & Reset Circuits ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Union 2910
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between Thu. 06 Jun to Tue. 11 Jun Calender.png

USD 0.2956
Multiples of: 1

                   
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