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6.3 Additional protection
6.3.1 Systems with single-phase motors
If the ComBo is connected to an electric installation where an earth leakage circuit breaker
(ELCB) or ground fault circuit interrupter (GFCI) is used as additional protection, this circuit
breaker or interrupter must be marked with the following symbol:
6.3.2 Systems with three-phase motors
If the ComBo is connected to an electric installation where an earth leakage circuit breaker
(ELCB) or ground fault circuit interrupter (GFCI) is used as additional protection, this circuit
breaker or interrupter must be of the following type:
–
It must be suitable for handling leakage currents and cutting-in with short pulse-shaped
leakage.
–
It must trip out when alternating fault currents and fault currents with DC content, i.e. pulsat-
ing DC and smooth DC fault currents, occur.
For these systems an earth leakage circuit breaker or ground fault circuit interrupter, type B,
must be used. This circuit breaker or interrupter must be marked with the following symbols:
Protection against phase unbalance
The motors must be connected to a power supply with a quality corresponding to IEC 60146-1-
1, class C, to ensure correct motor operation at phase unbalance.
This also ensures long life of the components..
6.4 Equipotential bonding
When an earth leakage circuit breaker or ground fault circuit interrupter is se-
lected, the total leakage current of all the electrical equipment in the
installation must be taken into account.
When an earth leakage circuit breaker or ground fault circuit interrupter is se-
lected, the total leakage current of all the electrical equipment in the installation
must be taken into account.
FI
1
2
N
L
L
N
961807_01
2 Externer Schalter
1 Sicherung (min.10A, träge)
Legende:
Netzanschluss 1x230V
ModulA
Alpha-Stecker BA
CH-3110 Münsingen
Biral AG
Massstab
Zeichnungsnummer
1:1
I
II
Datum
Änd.Index
Visum
Ersetzt durch:
Ersatz für:
961807
Änd.Index
Freigabe
geprüft
gezeichnet 16.10.2014
PDM_Nr
TD-0026642
01
24.02.2015
24.02.2015
ts
ts
ts
01
ts
24.02.2015
FI
1
2
N
L
L
N
961807_01
2 Externer Schalter
1 Sicherung (min.10A, träge)
Legende:
Netzanschluss 1x230V
ModulA
Alpha-Stecker BA
CH-3110 Münsingen
Biral AG
Massstab
Zeichnungsnummer
1:1
I
II
Datum
Änd.Index
Visum
Ersetzt durch:
Ersatz für:
961807
Änd.Index
Freigabe
geprüft
gezeichnet 16.10.2014
PDM_Nr
TD-0026642
01
24.02.2015
24.02.2015
ts
ts
ts
01
ts
24.02.2015
FI
1
2
N
L
L
N
961807_01
2 Externer Schalter
1 Sicherung (min.10A, träge)
Legende:
Netzanschluss 1x230V
ModulA
Alpha-Stecker BA
CH-3110 Münsingen
Biral AG
Massstab
Zeichnungsnummer
1:1
I
II
Datum
Änd.Index
Visum
Ersetzt durch:
Ersatz für:
961807
Änd.Index
Freigabe
geprüft
gezeichnet 16.10.2014
PDM_Nr
TD-0026642
01
24.02.2015
24.02.2015
ts
ts
ts
01
ts
24.02.2015
There is the option for localised equipoten-
tial bonding to the base plate. Localised
equipotential bonding involves equalising the
electrical potential between all items made
from electrically conductive materials (for ex-
ample metal water pipes and sewage pipes,
and conductive items within reach of people)
within a room or area and the PE conductor of
the low-voltage wiring in the room or area.
96202510_00
Potentialausgleich
ComBo 2x HP-E 12-40-3/8
BA
CH-3110 Münsingen
Biral AG
Massstab
Zeichnungsnummer
1:8
I
II
Datum
Änd.Index
Visum
Ersetzt durch:
Ersatz für:
96202510
Änd.Index
Freigabe
geprüft
gezeichnet 12.04.2017
PDM_Nr
TD-0036200
00
ts
