majesus
Electrical
- Aug 16, 2007
- 262
This is in relation with the arc fault experiments I was doing earlier on.
The Federal Pioneer Power Breaker H-3 claims the total clearing including its USD relay is 34mS
The CB datasheet is located here:
On Page three of the CB’s datasheet, it says that the Total Clearing including Relay operation time is 34mSec. This is a strange number, especially for such an old CB because modern Power CB typically have a total clearing time of 60mSec, and the fastest are maybe 50mSec. Thus, it makes me wonder if 34 mS is correct on the H-3 CB? That is one super fast power CB! Is this a typo or is this correct?
For reference, the following is Schneider’s modern Masterpack Power CB
On page 175, it shows the Clearing time for the Masterpack at 60mSec.
Can anyone clear this up for me? I would much appreciate the help.
The Federal Pioneer Power Breaker H-3 claims the total clearing including its USD relay is 34mS
The CB datasheet is located here:
On Page three of the CB’s datasheet, it says that the Total Clearing including Relay operation time is 34mSec. This is a strange number, especially for such an old CB because modern Power CB typically have a total clearing time of 60mSec, and the fastest are maybe 50mSec. Thus, it makes me wonder if 34 mS is correct on the H-3 CB? That is one super fast power CB! Is this a typo or is this correct?
For reference, the following is Schneider’s modern Masterpack Power CB
On page 175, it shows the Clearing time for the Masterpack at 60mSec.
Can anyone clear this up for me? I would much appreciate the help.