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biswanath.das
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UPS Battery to Install in MCC/Distribution Board Room

09/25/2013 2:13 AM

Can any one give some ides if SMF battery can be installed in AC MCC/DB room

Thanks

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1capybara
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#1

Re: UPS battery to install in MCC/Distribution board room

09/25/2013 3:17 AM

I dont know Indian standard, however this is a standard use in the USA - assuming voltages under 600v.

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PWSlack
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#2

Re: UPS battery to install in MCC/Distribution board room

09/25/2013 3:36 AM

Not without carrying out an acronymectomy first.

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lyn
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#3

Re: UPS battery to install in MCC/Distribution board room

09/25/2013 4:03 AM

OK
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cuba_pete
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#4

Re: UPS Battery to Install in MCC/Distribution Board Room

09/25/2013 9:50 AM

Yes, they can.

Specifically, I have an APC Symmetra installed right alongside my switchgear.

However, code and AHJ may still require an extraction hood. I have one.
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JRaef
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#5
In reply to #4

Re: UPS Battery to Install in MCC/Distribution Board Room

09/25/2013 2:22 PM

Really? I've heard this before, so I guess the AHJs are not accepting that SMF batteries do not vent then? I wonder if they are ASSuming that they are VRLA?

For the acronym haters, SMF = Sealed Maintenance Free, VRLA = Valve Regulated Lead Acid. VRLA batteries vent hydrogen gas in small quantities, SMF do not.

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lrsheldon
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#6
In reply to #5

Re: UPS Battery to Install in MCC/Distribution Board Room

09/26/2013 3:03 PM

unless the case cracks during failure.
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Sleepy
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#7
In reply to #5

Re: UPS Battery to Install in MCC/Distribution Board Room

09/29/2013 12:34 PM

JRaef

Thanks for the decode, I wass reaching for a couple of books to understand and your clarification came right down the spike.

Thanks

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cuba_pete
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#8
In reply to #5

Re: UPS Battery to Install in MCC/Distribution Board Room

10/01/2013 10:01 AM

My APC USP units at work haven't gassed out, but I ran an Optima in my Jeep to the point of frustration. It got pretty round and the pressure reliefs were spewing some pretty nasty gasses. So, though not a regular occurrence (like my previous wet lead acid units), the possiblity exists.

Our AHJ is NAVFAC. Rules and regs vary.

That Optima was good for another 15 months before it finally wouldn't hold a charge, btw.
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