Buy Zhejiang HKE HRS4H-S-DC12V only $ at EasyEDA components online store LCSC. Pushbutton Switches & Relays|Relays datasheet, inventory and. S. Enclosure. Enclosure.: S = Washable. Coil Voltage.: DC5V = 5, DC12V = 12 Disclaimer This data sheet and its contents (the “Information”) belong to the. HRS2(H) Relay – kinds of single relays, power relays, automotive relays, telecom relays, pc-board relays, plug-in relays, P 18/11/04 HRS2H-S DC12V.

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By using hrs4h-s-dc12v datasheet combination of contactors, the electrical circuit can be switched on and off. They are often used to interface an electronic circuit working at hrs4h-s-dc12v datasheet low voltage to an electrical circuit which works at very high voltage. Skip to main hrs4h-s-dc12v datasheet. But the technique is always the same.

Identify a pair of pins that separate when power is applied to the coil. Commonly yrs4h-s-dc12v relays datasheft available in different configuration of operating voltages like 6V, 9V, 12V, 24V etc.

Always check for any markings that indicate coil polarity.


These have no normally-closed contacts at all. Get inner details datashset structure of a relay switch. There are countless hrs4h-s-dc12v datasheet types of relays – too many to consider here.

When the operating voltage is applied the relay coil gets energized and the COM changes contact to NO. This voltage is called hrs4h-s-dc12v datasheet operating voltage.

One will be the pole – and the other will be the normally-closed contact. Low voltage Hrs4h-s-dc21v relay coils obeys Ohm’s Law. In a basic relay there are three contactors: If you have no idea what voltage your coil is – start with say 3 volts – and increase it until the relay energizes. Start with a normally-closed pair. Your relay hrs4h-s-dc12v datasheet have hrs4h-s-dc12v datasheet sets of these change-over contacts.

These are designed to reverse the direction of DC motors. These spikes are generated by the coil – when the relay de-energizes – and the coil’s magnetic field collapses. For example – the pole of the G2E is connected to hrs4h-s-dc12v datasheet pins. One of those pins is a pole.

Relay HKE HRS4H-S-DC5V 10A (5 pin)

Interface SD Card with Arduino. However – Very Rarely – you’ll find a relay that’s fitted with an internal suppressor diode.

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The output section consists of contactors which connect or disconnect mechanically. So – always check for hrs4h-s-dc12v datasheet markings – just in case. Next – switch the power off – and turn your attention to the remaining pins. And the pairs of pins are most likely to be the pole hrs4h-s-dc12v datasheet normally-closed contacts. I have described the hrs4h-s-dc12v datasheet of the standard – common or garden – type. Thus a small sensor circuit can drive, say, a fan or an electric bulb.

Take a careful note of each. It will establish a new connection with one of the stand alone pins. If there is an internal hrs4h-s-dc12v datasheet diode – it’s important that the hrs4h-s-dcc12v is connected the right hrs4h-s-dc12v datasheet round.

SPI Module of Arduino.

The input section has a coil which generates magnetic field when a small voltage from an hrs4h-s-dc12v datasheet circuit is applied to it.