Helpful current sense relay for High-Risk Applications
Reliable current sense relay Styles for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their entire variety of current sense relay . They provide a comprehensive set of current sense relay solutions along with other interrelated items. These units are observed in distinct applications which include industrial applications, industrial handle circuits in addition to OEM Panels. These devices include exceptional precision and repeatability. The regular current sense relay which can be made in recent times call for really tiny panel space.
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LonWorks Twisted-Pair FT-10 Network Enclosed Dual I/O Controller; One Discrete Output (20A Relay SPST+Override);One Discrete Input(Current Sensor 0.25-20A, Relay Load Sensing).24VAC/DC or 208-277VAC Power Input
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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 current sense relay perform really well with unique applications that are specific to power distribution and protection. The relays come with wide adjustment ranges using a scale which is simple to study either in 3 or four digits as outlined by the model. These current sense relay assist in increasing the flexibility in the applications, cut down the all round energy and upkeep fees. You’ll find relays which are employed for general purposes which come in trusted styles with swift replacement solutions. And you will discover models which might be applied for industrial applications and heavier duty applications that function on large loads. These goods are created to meet the lifetime industrial manage needs from the applications.
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