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Lighting arrestors should be installed at 6ft above height of Tank(If you can walk on above tank platform) other wise 3ft is sufficient .It will cover distance at 45degrees rad angle. Based on that you have to arrange number of lightining arresters. thanks

Why are u putting fibre pad for bottom tank? are u protecting bottom from rust or mechanical damage? thanks

You have to provide grounding two connections for ss storage tank to discharge static electricity or any other surges or leakage currents from nearby electrical sources.

MCC room size is 5000 Sq.ft .Cost of MCC panels /Saving time /Production is most important.if you can provide sprinkler in MCC room is best safety practice.You can prevent the fire furthera and will save lot.

thak you verymuch for your valueable replies regards, rybrk

dear sir, is there any book or website to learn PLC training for basics,ladder diagram and preparation of program ?.we are using micrologics 1200 and slc5000 model of AB make and mitshuibhsi make in our plant. thanks rybrk

generally power contactors will burn due to carbon,cobwebs and dust deposited on contacts tips,lackof preventive maintenance of contactors explosin will happen. rybrk

due to power failure ,without backup power dont verify or transfer the program backup.otherwise program will erase. rybrk

I want to measure the torque of motor when more load applied on the impeller of motor(application:Rapid mixer granulatot)to determine the %end point for wet granulatin process.is there any source to get torque meter with sensor. presently iam measuring amps by using ammeter and calculating...

it depends on starting torque of motor and line votage drop of the grid.instead of soft starter you can use VFD for better results and energy saving purpose.Based on the applications generally we will choose VFD/soft starter/line starter. thanks rybrk