Homework sub-distribution: Bridge two FIs with neutral conductors at the input + run them separately once via rail and once directly, is that OK?
Good evening,
By connecting directly, I mean connecting it to the line without a rail from the RCD (FI)…
Circuit A for a 400V three-phase socket:
- a 4-pole FI 40A outgoing , via outgoing a 3-pole LS
- Outer conductors L1, L2, L3 are bridged from the 4-pole FI 40A outgoing circuit breaker to the 3-pole LS 16A incoming circuit breaker.
-> where I route the neutral wire to the output , which is connected to the 4-pole 40A RCD input . Can I connect it to the three-phase socket via the neutral conductor rail?
-> If I then connect the N output of the second FI output to circuit B. ( N must be separated by circuit, correct?)
Circuit B for end users (light bulb via changeover switch, socket):
-> do I have to bridge N at the input from 4-pole FI 40A to 2-pole FI 16A or would that not make sense since otherwise the circuits would be bridged by N ?
(1 votes)
Loading...
Hello,
the N conductors according to the respective RCD switches,
always lead separately.
Do not connect to common busbars.
Only if there is a separate bus bar, the N conductors of which should be present directly from the RCD 1. There is also such a distribution.
No bridge, from one RCD to the next RCD, if he only goes somehow.
Otherwise you’re looking for a “Wolf” in case of a mistake.
Hansi