Helpful latched relay for High-Risk Applications
Reliable latched relay Designs for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their whole variety of latched relay . They offer a complete set of latched relay items and also other interrelated items. These units are observed in unique applications for example industrial applications, industrial control circuits in addition to OEM Panels. These devices include superb precision and repeatability. The common latched relay which are developed nowadays demand incredibly little panel space.
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BuckarooBanzai asked How to build a latching relay circuit for 2 switches and a 10 amp load?
I have a 12 volt pump (less than 10 amps) that has a single switch to operate it. I would like to add a second switch, in another location. I have been told that inserting a latching relay into the circuit would do the trick. But I am having difficulty trying to find the right one, Some say they need "reverse polarity pulses" to change the on/off state. That doesn't make sense to me, as I just want to pulse a +12 volts to the relay and change the state. Maybe I am looking at the wrong relays?
And got the following answer:
A "latching relay" is not necessarily a special type of relay. It can be a standard relay with an extra set of contacts that's used to "latch" the relay. Actual "latching relays" are partly mechanical devices and are much more expensive than standard ones. Use a momentary switch for your remote "on" switch. It of course will be in series with your coil supply and the relay coil. Now simply wire the extra pair of NO contacts on the relay in parallel with the switch. When you push the remote button, these contacts close, and current continues to be supplied to the coil even after you stop pushing the button. The remote "off" function is just as easy. You have another remote button, this one normally closed. This is wired in series with the latching relay contacts. When you push the remote "off" button, current through the "latching" contacts and hence the coil is interrupted, so the coil lets go, and the latching contacts are no longer closed. This can obviously be extended to as many remote locations as you like, all with one extra set of relay contacts and a completely standard relay. If you must use an NO switch for the "off" button, you can use a small relay at the pump location to convert this to NC. Your remote "off" button pulls in this relay, which disconnects the NC contacts on the relay, which are wired in series with the "latching" contacts on the primary relay.
The latched relay work very nicely with distinct applications which can be particular to power distribution and protection. The relays come with wide adjustment ranges with a scale that is certainly simple to study either in 3 or four digits in accordance with the model. These latched relay assistance in rising the flexibility with the applications, lessen the general power and maintenance fees. You will discover relays which are used for basic purposes which come in trustworthy styles with swift replacement options. And there are actually models which are utilized for industrial applications and heavier duty applications that perform on big loads. These merchandise are made to meet the lifetime industrial manage requires with the applications.
Their most current solutions will be the Time counter, Timer Delay, latched relay, Swift Connect Couplings, Electronic Motor Couplings, Aluminum Couplings, Morse Couplings and various other folks. The web-site offers a detailed description of every model in various categories of latched relay couplings and sensors. These solutions are incredibly valuable for high-risk applications. The latched relay are also out there with capabilities like numerous timing ranges and functions. The business is at present in search of agents and dealers who can market and sell their factory produced items. They’re often on a lookout for developing new and more reliable solutions determined by the demands and specifications on the business.