UPS APC Smart-UPS SRT 5000VA

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Here you go. Thank you.
SRT5KRMXLT-5KTF SCHNEIDER ELECTRIC APC Smart-UPS SRT 5000VA
RM 208V to 120V 2U Step-Down Transformer

I wonder if I don't have 208V wall receptacle L6-30R. What are my options? Buying different UPS models?

208 Volts is NOT 240 Volts, rather it is normally 3 phase voltage. Most homes would not have such outlets.

Check with APC to see if this is what you really have as normally it would have to be wired in.

I am not sure why it would be labelled this way except that it may be a special unit.

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dhsindy

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Perfect thanks dhsindy! Follow-up q.-
Yes this is a commercial building, but.. we may not have 208V in there.
If they only have NEMA 5-30R. What are my options for the UPS and how many wall receptacles and circuits will I need?

I have not seen a 208 Volt outlet. These devices are wired in so you need to contact an electrician for wiring.

Can you return the unit for a more standard unit?

ASKER

Nah, very common. APC has L6-30P. Works with 208V or 240V.

Standard 240 Volt outlets are easy to install and safe to use. Get an electrician to put one where you need it. Easy. I have one in my basement

ASKER

I think we derailed from the q. IF I cannot get L6-30R installed. Only NEMA 5-30R.
Is there another UPS that can hold the same load?

APC have lots of units for a variety of loads. Just pick one. Big units will likely want a 240 Volt input (more efficient)

ASKER

Right... so my question is. Which units do I need to replace that unit. IF I cannot get 208V in that building.

Here is the replacement unit using 230 Volts IN (same as 240 Volts)

http://www.apc.com/shop/id/en/products/APC-Smart-UPS-5000VA-230V-Rackmount-Tower/P-SUA5000RMI5U

Also there was a 208 Volt unit next in the list - different unit.

ASKER

How about 120V? NEMA 5-30R

That would probably work but it would take twice the current to run it as a 240 Volt unit.

For that kind of unit stick with 240 Volts as you will need an electrician anyway

How much output do you actually need? With a 240V input you'll be able to get about double the output power of something with a 120V input.

5000 VA at 120 Volts is a 50 Amp circuit. 25 Amps for 240 Volts

ASKER

Thanks CompSolv. Agreed. So that mean I would need two smaller 120V units to replace one 240V.
Which units would that be?

Start with the link I provided and search again for 2500 VA units. See if they are available in 120 Volt input. Still, you would need a 25 Amp circuit so special wiring in any event.

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serialband

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serialband

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viki2000

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Isn't it considered a bad practice to use 2 legs of a 3-phase system unless you can balance it out elsewhere?

Isn't it considered a bad practice to use 2 legs of a 3-phase system

Yes. Tiras25 - use standard 240 Volt units. APC has proper units for you and no need to get 208 Volt units.

Also for the power you need (you say) use a 240 Volt system. An electrician can easily put an outlet (or two) in for you.

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viki2000

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