Go Back   English Forum Switzerland > Living in Switzerland > Daily life  
Reply
 
Thread Tools Display Modes
  #1  
Old 25.09.2014, 14:50
Newbie 1st class
 
Join Date: Jul 2014
Location: Nyon, Vaud
Posts: 21
Groaned at 0 Times in 0 Posts
Thanked 0 Times in 0 Posts
timjolin has no particular reputation at present
circuit breaker help

Just moved in to a flat in Nyon. Everything is great but for the circuit breaker. There are five circuits. One for the oven, two for the dishwasher and two for everything else. Our microwave trips the breaker every time unless we turn off all the lights and even the fridge. From what I can tell, all lights and outlets are wired into one of the breakers. Anyone have experience with this sort of thing?
Reply With Quote
  #2  
Old 25.09.2014, 15:26
adrianlondon's Avatar
Forum Legend
 
Join Date: Nov 2009
Location: Basel
Posts: 9,131
Groaned at 170 Times in 153 Posts
Thanked 25,643 Times in 6,892 Posts
adrianlondon has a reputation beyond reputeadrianlondon has a reputation beyond reputeadrianlondon has a reputation beyond reputeadrianlondon has a reputation beyond reputeadrianlondon has a reputation beyond reputeadrianlondon has a reputation beyond repute
Re: circuit breaker help

Could be a crap/faulty microwave that's drawing a huge amount when you first turn it on. If you turn on the microwave on the way you do now, then turn all the lights on, and maybe some other stuff just to test, does it still trip?
Reply With Quote
The following 2 users would like to thank adrianlondon for this useful post:
  #3  
Old 25.09.2014, 15:34
TheSpouse's Avatar
Forum Veteran
 
Join Date: Dec 2008
Location: Saussignac, France
Posts: 1,697
Groaned at 26 Times in 20 Posts
Thanked 2,926 Times in 926 Posts
TheSpouse has a reputation beyond reputeTheSpouse has a reputation beyond reputeTheSpouse has a reputation beyond reputeTheSpouse has a reputation beyond reputeTheSpouse has a reputation beyond reputeTheSpouse has a reputation beyond repute
Re: circuit breaker help

Yes, we have this problem. You probably live in an older apartment. The only way to fix it is to add more supply which means rewiring, adding new breakers and maybe even a new breaker box.

Or, you can do what I do. Before I can plug in my iron, I have to go around and turn off every single light in the apartment. This also means I have an excuse for not ironing my husband's shirts on cloudy/rainy days. "But, honey, I just couldn't see!"
Reply With Quote
  #4  
Old 25.09.2014, 15:40
Newbie 1st class
 
Join Date: Jul 2014
Location: Nyon, Vaud
Posts: 21
Groaned at 0 Times in 0 Posts
Thanked 0 Times in 0 Posts
timjolin has no particular reputation at present
Re: circuit breaker help

Hmm. Yeah, it's an older place. But I also can't find anything that's wired into the 2nd general circuit. All lights and outlets are wired into one. It is a cheap microwave and I found that keeping it on high is best. When it's on low or medium it cycles and when it cycles up it trips. So far, no other combination of devices/lights trips the breaker.
Reply With Quote
  #5  
Old 25.09.2014, 15:42
bigblue2's Avatar
Forum Legend
 
Join Date: Mar 2009
Location: Glarus
Posts: 8,082
Groaned at 484 Times in 403 Posts
Thanked 14,715 Times in 5,780 Posts
bigblue2 has a reputation beyond reputebigblue2 has a reputation beyond reputebigblue2 has a reputation beyond reputebigblue2 has a reputation beyond reputebigblue2 has a reputation beyond reputebigblue2 has a reputation beyond repute
Re: circuit breaker help

if the place is rented, then tell your landlord, don't touch anything yourself or get anyone else in to 'fix' it
Reply With Quote
The following 2 users would like to thank bigblue2 for this useful post:
  #6  
Old 25.09.2014, 17:19
me.anon's Avatar
Forum Veteran
 
Join Date: Jan 2012
Location: thun
Posts: 2,173
Groaned at 49 Times in 33 Posts
Thanked 2,876 Times in 1,394 Posts
me.anon has a reputation beyond reputeme.anon has a reputation beyond reputeme.anon has a reputation beyond reputeme.anon has a reputation beyond reputeme.anon has a reputation beyond reputeme.anon has a reputation beyond repute
Re: circuit breaker help

Do also you have an electric kettle to perform a short test ?
Usually a basic microwave oven is rated at about 700 Watts and a kettle is rated at about 2000 Watts.
If a kettle does not trip the circuit breaker, but the microwave oven does, then that does indicate a problem with the microwave oven.
The fault may then be excessive power demand on start (as previously suggested in this thread) or it could be a fault to earth (Most modern circuits protect also against current leakage). In either of these cases, get a replacement microwave oven.
Reply With Quote
The following 4 users would like to thank me.anon for this useful post:
  #7  
Old 25.09.2014, 17:35
Sean Connery's Avatar
Forum Legend
 
Join Date: Nov 2011
Location: Zurich
Posts: 5,565
Groaned at 58 Times in 54 Posts
Thanked 7,554 Times in 3,388 Posts
Sean Connery has a reputation beyond reputeSean Connery has a reputation beyond reputeSean Connery has a reputation beyond reputeSean Connery has a reputation beyond reputeSean Connery has a reputation beyond reputeSean Connery has a reputation beyond repute
Re: circuit breaker help

indeed the socket or the earthing in the wiring may be also faulty. I know I used to have crappy earthing in my kitchen and it would trip really easily. Rewired and got decent earth now and it's fine.
Reply With Quote
  #8  
Old 25.09.2014, 18:02
Newbie 1st class
 
Join Date: Jul 2014
Location: Nyon, Vaud
Posts: 21
Groaned at 0 Times in 0 Posts
Thanked 0 Times in 0 Posts
timjolin has no particular reputation at present
Re: circuit breaker help

The microwave has 1150 watt input and 700 output. Is a different microwave going to result in a different output?
Reply With Quote
  #9  
Old 25.09.2014, 18:16
st2lemans's Avatar
Forum Legend
 
Join Date: Dec 2010
Location: Lugano
Posts: 31,918
Groaned at 2,392 Times in 1,740 Posts
Thanked 38,868 Times in 18,320 Posts
st2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond repute
Re: circuit breaker help

How many amps is the breaker?

Tom
Reply With Quote
  #10  
Old 25.09.2014, 18:18
Newbie 1st class
 
Join Date: Jul 2014
Location: Nyon, Vaud
Posts: 21
Groaned at 0 Times in 0 Posts
Thanked 0 Times in 0 Posts
timjolin has no particular reputation at present
Re: circuit breaker help

Not knowledgable about this. it says, '10/380' on it.
Reply With Quote
  #11  
Old 26.09.2014, 08:09
st2lemans's Avatar
Forum Legend
 
Join Date: Dec 2010
Location: Lugano
Posts: 31,918
Groaned at 2,392 Times in 1,740 Posts
Thanked 38,868 Times in 18,320 Posts
st2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond reputest2lemans has a reputation beyond repute
Re: circuit breaker help

Quote:
View Post
Not knowledgable about this. it says, '10/380' on it.
Then it's 10A, 3P.

The microwave should only consume 5A.

Tom
Reply With Quote
The following 2 users would like to thank st2lemans for this useful post:
  #12  
Old 26.09.2014, 11:04
Senior Member
 
Join Date: Jan 2007
Location: Baden area
Posts: 337
Groaned at 0 Times in 0 Posts
Thanked 353 Times in 165 Posts
chrisIDS has an excellent reputationchrisIDS has an excellent reputationchrisIDS has an excellent reputationchrisIDS has an excellent reputation
Re: circuit breaker help

This is more than likely due to the large inrush current when the microwave oven is energised, which can be quite high for the first couple of cycles, as the transfomer core is magnetised, following by the charging current of the smoothing capacitor after the rectifier on the secondary side of the transformer.

If the microwave is at anything other than full power, the transformer will be switched in and out accordingly, and every time this happens you will get a big current spike (and possible circuit breaker trip). This is confirmed by the OP.

A type B circuit breaker will trip instantaneously at between 3 and 5 times rated current, type C between 5 and 10 times. So if you have a 10A circuit breaker, and a 50A inrush current (quite likely), a type B breaker may trip, whereas type C may not. (In Switzerland, circuits are protected by a 13A Type C circuit breaker—primarily to stop you from going to Germany to buy them, as there they use Type B.)

Anyway, you can easily test all of this by connecting the primary of a 1 kW, 2 kV transformer (with suitable capacitive load, for added fun) to the socket and see what happens..

So, the conclusion from all of this - follow the path to your landlord and speak to him. If you have a type B breaker, then the resolution may be as easy as replacing it with a type C breaker. Buying a new microwave won't solve the problem; they all function in the same manner.
__________________
- Thanks
Chris

Last edited by chrisIDS; 26.09.2014 at 11:22.
Reply With Quote
This user would like to thank chrisIDS for this useful post:
  #13  
Old 26.09.2014, 14:20
VFR on top's Avatar
Forum Veteran
 
Join Date: Jul 2014
Location: Used to be Basel.
Posts: 1,125
Groaned at 34 Times in 24 Posts
Thanked 2,488 Times in 925 Posts
VFR on top has a reputation beyond reputeVFR on top has a reputation beyond reputeVFR on top has a reputation beyond reputeVFR on top has a reputation beyond reputeVFR on top has a reputation beyond reputeVFR on top has a reputation beyond repute
Re: circuit breaker help




220


221


Whatever it takes
Reply With Quote
  #14  
Old 26.09.2014, 20:15
Treasuretm's Avatar
Newbie
 
Join Date: May 2013
Location: Zurich
Posts: 5
Groaned at 1 Time in 1 Post
Thanked 0 Times in 0 Posts
Treasuretm has no particular reputation at present
Re: circuit breaker help

It sounds like you are having a power limitation problem. You should report it
To your land lord, so he/she can report it either to the manucipality so they can increase
You power limit...:-)
Reply With Quote
This user groans at Treasuretm for this post:
Reply




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Replace circuit breaker ZONI Other/general 12 27.09.2010 22:05
pre-existing medical condition = deal breaker?! jdat Insurance 12 15.07.2010 23:13
Circuit breaker for Home Mixer shibuup Other/general 1 11.06.2009 17:15


All times are GMT +2. The time now is 09:22.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.
LinkBacks Enabled by vBSEO 3.1.0