PM4HF8-M-AC24VW

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

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Introduction

Time delay relays (TDRs) are a type of industrial electronics used to control electrical circuits with a rated current and a timed on/off delay cycle. A TDR will activate when the required current level is reached and will remain activated for the designated time duration before deactivating. One such application of TDRs is in the form of a PM4HF8-M-AC24VW TDR, which is primarily used to provide automatic on/off switching with a timed delay.

Application Field and Working Principle

The PM4HF8-M-AC24VW TDR is used in a variety of applications including supply engineering, control engineering, locomotives, elevator control, machine tools, etc. This type of TDR functions by providing an adjustable time delay which can range from 0.1 seconds to 100 hours. It can be used for single-phase, three-phase, or DC circuits. The PM4HF8-M-AC24VW TDR has an easily adjustable time delay which is set by rotating the knob located in the center of the TDR. This knob is used to set the time delay range from anywhere between 0.1 seconds and 100 hours. The time delay is adjustable within the range and can be adjusted in 0.1 second increments. Once the delay is set, the timer can be activated or deactivated by the supplied on/off switch. The PM4HF8-M-AC24VW TDR also has built-in surge protection which can be adjusted to a preset value via the potentiometer located on the side. This adjustable surge protection allows the TDR to protect itself against higher currents which can result in electrical fault conditions. The PM4HF8-M-AC24VW TDR also has an LED indicator which is illuminated when the timer has been activated. This provides an indication that the timer is set and functioning. The LED indicator also provides an indication of the current state of the timer, i.e. on or off. Finally, the PM4HF8-M-AC24VW TDR is equipped with a mechanical latch which is used to ensure that the timer remains in a desired state even when power is lost. This feature ensures that the timer will not be reset to its default settings in the event of a power failure.

Conclusion

In summary, the PM4HF8-M-AC24VW TDR is a highly versatile TDR which is suitable for a wide range of applications. It has adjustable time delay settings and adjustable surge protection, as well as an LED indicator and mechanical latch. Thanks to these features, the PM4HF8-M-AC24VW TDR is capable of providing reliable and automated on/off switching with a timed delay.

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