There are many who has answered this question before:- Most say relays are JUST smaller brothers of contactors. Others say:- Up to a certain amperage (30/40Amp) it is a relay and beyond that it is a contactor. Others say:- In the construction, the relay coil sits on the side and a contactor it sits in […]
Why so many names for the same thing? Are all switches rated as load break switches or as isolators? In other words, if you see 10A – and that’s all we got – can we use this as a load break switch? Or is there even a difference? Linguistically switch will refer to anything with […]
I presume you are aware of this nice solution to take a normal relay, get the right base and one can turn it into a timer… Well, one day I get a call:
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Selecting the right relay for the job…Between relay manufacturers with the type and characteristics – can one take for granted the relays will be able to do the same job. If you bought a cheap relay, make sure you install and use it correctly…otherwise you can kiss it goodbye in a short while… Bought a […]
Do not make the same mistake I made with relays… When I populated the product database for Electrosource I discovered the max voltage is actually 400V. 250V is the voltage arrived/tested at to qualify the Ith rating of 10A (for the single changeover versions e.g. 40.31 & 40.51) and 8A (for the double contact e.g. […]
A relay SINGLE CHANGEOVER DIL(Dual inline) RELAY might be rated for some amperage but it does not mean the bases SINGLE CHANGEOVER TERMINALS qualifies… Now you know what I am talking about
I bet you did not know Lovato does DC contactors? No, not just that you can get a DC coil operated version – but the actual load can be a DC load!! Ok, but as with everything – it has to be used “in moderation” and it will work just fine. A few rules apply […]
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