I would like to know if the following contactors are the same in function? And can they be replaced?
1 - Schneider Electric LC1D18M7
2 - Siemens 3RT20181AP61
1 - Schneider Electric LC1D18M7
2 - Siemens 3RT20181AP61
I choose Schneider too... that's have great documentation and great support...OK, it appears they have the same rating, I prefer the Group Schneider products, personally.
They also took over Telemecanique, another quality company, I used a lot of their products also.I choose Schneider too... that's have great documentation and great support...
I think they needs adequate spacing between them if requires... I have build motor control center that failed just because poor spacing... and in this case with difference manufacture, I think it's better to choose greatest spacing requirements... or better to use one manufacture if possible... It's better to control with thermal imager too, if possible...They appear to be compatible.
Of course the correct Coil voltage has to be observed, in the event you have various types, voltage AC/DC etc.
Adequate spacing is enough spacing between contactor... so heat can dissipates properly...Not sure what or why you mean about "adequate spacing"?
What is the reason for supposing they do? How was it poor spacing?
e.g. Reversing contactors are one unit and mechanically coupled.
In my case it's separated and not mechanically coupled... thermal imager indicates it's very hot, and when my colleague tried to made more spacing between contactors that's temperature cool down... in my case it's was in datacenter HVAC....Not sure what or why you mean about "adequate spacing"?
What is the reason for supposing they do? How was it poor spacing?
e.g. Reversing contactors are one unit and mechanically coupled.
Yes... but I was try from may fault, it's affected by arrangements and spacing...The only kind I experienced any significant heat from was the older style that had heater element style O/L's. ?
They isn't not under-rated, voltage there is very stable... it's in datacenter environment... and not under-rated capacity too... it's about 80-90% capacity is used... and it's weekly switched... there is surge protector too in MCC...In my experience, contactors should not be overheating, it indicates some kind of resistance in the unit, that, or they are severally under-rated ?
Maybe it's affected by harmonics too..., because there is a lots of non linear loads...In my experience, contactors should not be overheating, it indicates some kind of resistance in the unit, that, or they are severally under-rated ?
Yes... AC coil...Incidentally, do the contactors utilize AC coils?
But contactor and PLC supply isolated from main supply... I think it's very separated... AC-DC rectifier + DC-AC inverter + isolation transformer (220v/24v with galvanized isolation)...Incidentally, do the contactors utilize AC coils?
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