14 Years Manufacturer Automatic Transfer Switching Equipment-FTQ2 to Portland Manufacturer
Exterior and dimensions
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|Rated operational voltage Ue(V):||AC400V/50HZ|
|Rated operational current Ie(A):||20,25,32,40,50,63,80,100,125,160,180,200,225,315,350,400,500,630|
|Rated insulation voltage Ui(V):||690V|
|Operating position:||Normal power switch-on, backup power switch-on, Normal power& backup power switch-off|
|Rated controller Operating supply voltage:||AC220V|
|Under-voltage:||Adjustable from 160-200v,factory defaults:170V|
|Over-voltage:||Adjustable from 240-290V,factory defaults:270V|
|Operation Mode:||R:automatic change recovery,S:automatic change but not automatic recovery,F:Generator type|
|Switch-off delay time:||Adjustable from 0-180s,factory defaults:2s|
|Switch-on delay time:||Adjustable from 0-180s,factory defaults:2s|
What is a circuit breaker:
A circuit breaker is an equipment that breaks a circuit either manually or automatically under all conditions at no load or short circuit.
Vacuum Circuit Breaker: A vacuum circuit breaker is a circuit breaker in which vacuum is used to extinct the arc. VCB have excellent interuption and dielectric recovery characteristics, and can interrupt form arc instability superimposed on the line frequency current.
Construction of VCB:
The main parts of a typical vcb are
1. Fixed contact
2. Moving contact
3. Arc shield
which are mounted inside a vacuum chamber
Music : Comfortable Mystery 4 – Film Noire by Kevin MacLeod is licensed under a Creative Commons Attribution
LIKE/FAV for Paper Goodness! Can I borrow your pencil? Music Below:
Here are the items you will need.
1. A number 2 pencil (Better if you get a 2B pencil from the art store)
2. A thick piece of paper
3. A single LED
Graphite is a pretty terrible electric conductor but it works well enough to do some cool stuff with paper.
We can actually make a fully working circuit as well as a flashlight using the 3 items above. Check it out and let
us know what you think!
You can also join the Scientific Tuesday Fan Page on facebook at: http://facebook.com/scitues
All music in this episode of Scientific Tuesdays was curtesy of Doni!
Check out his tunes, this guy is AWESOME:
Background Music: http://www.youtube.com/watch?v=NVjC-zU5PzY
End Music: http://www.youtube.com/watch?v=6dBteNLwtt4 .
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Check This out: “Command Hook Life Hacks To Organize Your Life”