PM4HW-H-DC12VW Industrial Controls

Series:	PM4H-W
Part Status:	Active
Lead Free Status / RoHS Status:	--
Relay Type:	Mechanical Relay
Moisture Sensitivity Level (MSL):	--
Function:	Repeat Cycle, Twin Timer
Circuit:	DPDT (2 Form C)
Delay Time:	0.1 Sec ~ 500 Hrs
Contact Rating @ Voltage:	5A @ 250VAC
Voltage - Supply:	12VDC
Mounting Type:	Socketable
Termination Style:	Plug In, 8 Pin (Octal)
Timing Adjustment Method:	Hand Dial
Timing Initiate Method:	Input Voltage

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• Introduction to Time Delay Relays

Time delay relays are electrical relays that are designed to wait for a specified length of time before activating a circuit. They are used in applications where the timing of certain operations must be precisely controlled and are commonly found in industrial and automotive applications. Time delay relays are available in many types of designs, including mechanical, digital, and solid state devices.

• PM4HW-H-DC12VW Application Field and Working Principle

PM4HW-H-DC12VW is a type of time delay relay that is used in industrial applications. It is a digital time delay unit that utilizes a microprocessor to control the timing of the relay. The PM4HW-H-DC12VW is used to control the time delay of an operation by providing an adjustable delay range from 0.1 seconds to 10 seconds. The working principle of the PM4HW-H-DC12VW is based on the flow of current. When power is applied to the unit, a current source consists of a Digital-to-Analog Converter (DAC) and a capacitor charges and sets the desired time delay. Once the current reaches a set level, the microprocessor in the unit activates the relay, thus controlling the time delay of the operation.The PM4HW-H-DC12VW is commonly used in industrial applications such as temperature control, cooling towers, irrigation systems, and food processing. It is also used in automotive applications such as headlamp switches and fuel injectors. It can be used as part of a timer, as a stand-alone device, or as part of a system to control the timing of an operation.

• Conclusion

In conclusion, the PM4HW-H-DC12VW is a type of time delay relay that is used in industrial and automotive applications. It utilizes a microprocessor to control the time delay of an operation. The device is designed with adjustable delay ranges, ranging from 0.1 seconds to 10 seconds. It is used in applications such as temperature control, cooling towers, irrigation systems, and food processing, as well as in automotive applications.

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