Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Time Delay Relays

Time Delay Relays, or TDR, are an important component of many control systems. TDRs are used to delay the action of a system, often in order to ensure safety and proper operation. The most common applications for TDRs are in the protection, supervision, and control of electrical devices, such as circuit breakers, automatic circuit reclosers, contactors, and switches.The PM4HF11R-S-AC120VS is an example of a TDR. It is an analog time delay relay with adjustable time delay (from 0.1-20 seconds), adjustable control voltages (24-240VAC/DC), and adjustable delay sensitivity. The typical applications for this TDR include programmable starting and stopping of motors, lighting control, and HVAC control.The PM4HF11R-S-AC120VS works by detecting a control voltage change, such as a voltage applied to its control input. When it detects the voltage change, it will activate the relay and start timed operation. The timing can be adjusted using the sensitivity (which is adjustable from 0.1-20s) or the control voltage for the relay relay.Once the time delay has completed, the relay will remain ON until the control voltage is removed. This is useful in applications where the relay needs to stay ON until given a signal to turn OFF.The PM4HF11R-S-AC120VS is designed for use in applications where safety, accuracy, and reliability are important. Its adjustable time delay and sensitivity make it suitable for a wide range of applications, from illuminated signs to industrial temperature control systems.The PM4HF11R-S-AC120VS is a versatile and reliable device, and is widely used in many industries for a variety of applications. With the right application, the PM4HF11R-S-AC120VS can help to improve system performance and safety.

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