S. Enclosure. Enclosure.: S = Washable. Coil Voltage.: DC5V = 5, DC12V = 12 Disclaimer This data sheet and its contents (the “Information”) belong to the. Buy Zhejiang HKE HRS4H-S-DC12V only $ at EasyEDA components online store LCSC. Pushbutton Switches & Relays|Relays datasheet, inventory and. A-1 Form A,C-1 Form C. Ag Alloy. 1AAVAC/24VDC 10A VAC. 1CA VC/24VDC,10A/ 6A VAC. TV VAC/24VDC. 15A. 1,VA,W.

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Jun 11, at 8: The typical usage of relay is to allow a low DC voltage circuit circuit 1 to switch on or off a high voltage DC or AC circuit hrs4h-s-cd12v 2 without direct electrical connection between them. SPI Module of Arduino. What is Web Browser.

Identify Terminal Pins of A Relay Without Reference to Datasheet

Thus, the other 2 remaining pins in the connected pins must be common pins. Hence, the 4th pin dahasheet be the normally open NO pin.

Mar 18, at 4: Hence, the 3rd pin must be the datasgeet open NO pin. Other pins approximately also at this values. Such relay can categorized into normally open or normally closed type. This means circuit 1 and circuit 2 are magnetically and mechanically linked but not electrically connected.

In a basic relay there are three contactors: Nov 11, at 8: This voltage is called the operating voltage.

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HKE HRS4H-S-DC24V-C : Datasheet

If you want to know how to make extra bucks, search for: In this case, although the activation voltage stated is DC 5V, the activation voltage recorded is about 3. Apr 16, at Does Icc needs more current for 4-channel? In this case, although the activation voltage stated is DC 12V, the activation voltage recorded is about 7.

To differentiate NC pins and common pins from the connected pins, there is a need to apply voltage across the relay coil so as to activate it. Turn back the relay to see pins located at its bottom part.

Identify Terminal Pins of A Relay Without Reference to Datasheet – Tutorial by Cytron

Try to touch the probes of multimeter datqsheet remaining pins to determine which are the pins actually connected with each other. Dec 12, at Determine the common pin of the relay when the relay is activated.

Thank you Suan Kian, thank you Cytron, excellent tutorial, good website. Nov 29, at 3: Dec 15, at 8: Leave a comment Cancel reply. Then, with the multimeter set to continuity test mode, check which pin in each connected pin pair detected in step 3 now datashdet connected with a particular normally open NO pin at this moment since 2 normally open NO pins are found in step 3. Excellent explanation, this helped me determine the pins on my relay for which its datasheet I was utterly unable to find, thanks!

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Since the common pins are determined, thus another one remaining pins in the connected pins detected in step 3 must be the normally closed NC pins.

Coil pins of the relay is determined in this case, the coil resistance is ohm. The required activation voltage for the relay can be determined from its product code. By using proper combination of contactors, the electrical circuit can be switched on and off.

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These pins would be hre4h-s-dc12v common pins. Get inner details about structure of a relay switch. You need to use simple amplifier to activate it.

Hence, the positive output of the DC power supply can datasueet connected to any one of the coil pins while the negative output of DC power supply will be connected to another pin of coil or vice versa. There is only 3 remaining pins to determine which are the NC pin, NO pin and common pin. Interface SD Card with Arduino.

Then, with the multimeter set to continuity test mode, check which pins now are connected to the normally open NO pin in this moment.