My UPS works fine with both monitor and pc. But as soon as I try to make it work with only one 200 w bulb it shut down after some time (15-20 min I guess). I even tried to connect 2 bulbs of same power (400 w) then too it was showing same problem. My UPS model is iBall nirantar 621 v.
UPS turning off with output connected
- Thread starter sunil1140
- Start date
That's to be expected; you connect a constant 200W or 400W to a 360W UPS. The true load is a bit lower than the bulbs rating; otherwise the UPS would be overloaded and shutdown with the 400W load. 15-20 minutes at 200W seems fine for that UPS and it should drop to half of that with 2 bulbs. Is your UPS brand new?
■ yes my UPS is brand new and this power arises even when my UPS is not on backup mode, I mean UPS itself turns off after 10 min of supply even if it is connected from main switch. And please tell me how many bulbs of 200 watt or 100 watt I can connect at the same time for the optimum result with this turning off issue and how can I fix this problem. @GhislainG
If it powers off with a 360W or lower load while utility power is available, then it's defective. Maximum is three 100W light bulbs; in theory four bulbs exceed the UPS power and it should shut down. If the main purpose is for light bulbs, then use LEDs as they draw a lot less power.
Thanks for the solution @GhislainG your advice was really good...
Actually doctor has advised to keep a 200 w bulb light up continuously in the room and sometimes there is a cutout so therefore I was trying to make an arrangement. And this happened
Actually doctor has advised to keep a 200 w bulb light up continuously in the room and sometimes there is a cutout so therefore I was trying to make an arrangement. And this happenedYou need a UPS that's powerful enough to keep the light bulb on for a specific time. If a power outage can last several hours, then you may consider a solution that includes a large battery pack along with everything required to charge it (very expensive).
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