H3DK-M1A DC12 Industrial Controls

Series:	H3DK-M
Part Status:	Active
Lead Free Status / RoHS Status:	--
Relay Type:	Mechanical Relay
Moisture Sensitivity Level (MSL):	--
Function:	Programmable (Multi-Function)
Circuit:	SPDT (1 Form C)
Delay Time:	0.1 Sec ~ 1200 Hrs
Contact Rating @ Voltage:	5A @ 250VAC
Voltage - Supply:	12VDC
Mounting Type:	DIN Rail
Termination Style:	Screw Terminal
Timing Adjustment Method:	Screwdriver Slot
Timing Initiate Method:	Input Voltage

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Time Delay Relays

Time Delay Relays provide a delayed switch on or switch off of the load, either after a fixed time interval or on detection of an external trigger. The H3DK-M1A DC12 is one popular Time Delay Relay designed for various time reaction applications such as automatic control and detection.

Application Field

The H3DK-M1A DC12 can be used in home, commercial, and industrial applications. Examples of potential applications include providing a delayed start for motors, controlling a pump, actuating a valve, switching on a fan, and providing timed delay alarm.

Working Principle

The H3DK-M1A DC12 is a widely used Time Delay Relay that includes a built-in differential amplifier and a signal-processing chip to quickly detect currents, voltages, and status. The module operates with an adjustable time delay (DT). When the input is triggered, time-delay starts and the output remains On until the setting time (DT) has elapsed and then cuts off automatically. The timing of the H3DK-M1A DC12 can range from 0.1 second to 1000 hours. It can be set for single/repeating/infinite operation modes. For single mode, it will switch on once. For repeating mode, the timing starts over or repeats at the end of each cycle. In infinite mode, the timing cycle will continue indefinitely. The H3DK-M1A DC12 features high performance, stable operation, wide adjustment range and long life. Furthermore, the module is compact and easy to install. It is also equipped with LED indicators showing the current input and output status. Therefore, it is highly reliable and provides accurate timing for various kinds of applications.

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