IET
Decrease font size
Increase font size
Topic Title: Low current Zs test tripping RCBO
Topic Summary:
Created On: 24 March 2019 08:53 pm
Status: Read Only
Linear : Threading : Single : Branch
 Low current Zs test tripping RCBO   - Sparkymania - 24 March 2019 08:53 pm  
 Low current Zs test tripping RCBO   - mapj1 - 25 March 2019 09:24 am  
 Low current Zs test tripping RCBO   - chrispearson - 25 March 2019 11:52 am  
 Low current Zs test tripping RCBO   - RB1981 - 25 March 2019 03:26 pm  
 Low current Zs test tripping RCBO   - KFH - 25 March 2019 04:37 pm  
 Low current Zs test tripping RCBO   - RB1981 - 25 March 2019 04:41 pm  
 Low current Zs test tripping RCBO   - Sparkymania - 25 March 2019 08:03 pm  
 Low current Zs test tripping RCBO   - mapj1 - 25 March 2019 09:14 pm  
 Low current Zs test tripping RCBO   - Sparkymania - 25 March 2019 09:29 pm  
 Low current Zs test tripping RCBO   - AJJewsbury - 26 March 2019 09:34 am  
 Low current Zs test tripping RCBO   - Sparkymania - 26 March 2019 10:46 pm  
 Low current Zs test tripping RCBO   - Sparkymania - 27 March 2019 06:55 pm  
 Low current Zs test tripping RCBO   - RB1981 - 27 March 2019 08:02 pm  
Search Topic Search Topic
Topic Tools Topic Tools
View similar topics View similar topics
View topic in raw text format. Print this topic.
 25 March 2019 09:14 pm
User is offline View Users Profile Print this message



mapj1

Posts: 12039
Joined: 22 July 2004

Ah well a 30mA RCD or RCBO must fire by 30mA and is allowed to fire at anything above half of that. Normally they pop off at 20-25mA but you do see the odd nearer 17 to 18 and it may be that your 15mA nominal test is actully 10% high I suppose. Put it down to a frisky batch of breakers.

-------------------------
regards Mike
Statistics

New here?

  • To participate in discussions, please log in and introduce yourself.

See Also:



FuseTalk Standard Edition v3.2 - © 1999-2022 FuseTalk Inc. All rights reserved.

 
..