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Technical
Section 11
Dimensions
Section 12
5
DB404527
DB404530
Operation ON mode: temporary network fault
REDs, REDtest
LED 1 LED 2
The built-in automatic recloser automatically recloses the residual current device
after checking insulation of the downstream circuit.
Rd: lower level of insulation resistance, if R<Rd = no reclose
Rdo: higher level of insulation resistance, if Rd>Rdo = reclose
1
0
1
0
1
0
t=5s
t<2s
LED 2
LED 1
<10s*
t=5s
1
0 Test
Default
DB404529
Operation ON mode: long network fault
REDs
If the circuit is faulty, the switch is prohibited from reclosing. After a time delay of
15 minutes, the downstream circuit insulation is rechecked.
There are then two possibilities:
b b the installation is still faulty (the resistance to earth is lower than Rd): in this case
a new check will be carried out in 15 minutes.
b b the fault was temporary and has disappeared (the resistance to earth is higher
than Rdo): the recloser automatically recloses the REDs.
IΔn 30 mA 300 mA
Rd 8 kΩ 2.5 kΩ
Rdo 16 kΩ 5 kΩ
1
0
1
0
1
0
LED 2
LED 1
< 3min*
t=5s
t=15min t y15min
t=5s t=5s
1
0 Test
Default
(*) Reclosing time.
(*) Reclosing time.
REDs, REDtest (cont.) Protect
Earth leakage protection
Automatic recloser