168 / 248
559E4100.indd
Wiring diagrams
Compact NSX100 to 630
Motor mechanism
The diagram is shown with circuits de-
energised, all devices open, connected and
charged and relays in normal position.
Motor mechanism (MT) with automatic reset
DB114666
Q
BPO BPF
A
4
A2
B4
A
1
B
2
S
DE
S
DE
84 8
2
81
L1
ma
nu
a
(+)
a
(-)
0 I
a
uto
ma
nu
Motor mechanism (MT) with remote reset
DB114667
BPO BPF Reset
A
4
A2
B4
A
1
B
2
84 8
2
81
L1
ma
nu
a
(+)
a
(-)
0 I
a
uto
ma
nu
Q
S
DE
S
DE
Motor mechanism (MT) with manual reset
DB114668
Q
BPO BPF
A
4
A2
B4
A
1
B
2
84 8
2
81
L1
ma
nu
a
(+)
a
(-)
0 I
a
uto
ma
nu
S
DE
S
DE
Symbols
Q:
circuit breaker
A4 :
opening order
A2:
closing order
B4, A1:
motor mechanism power supply
L1:
manual position (manu)
B2:
SDE interlocking (mandatory for correct
operation)
BPO:
opening pushbutton
BPF:
closing pushbutton
SDE:
fault-trip indication contact (short-circuit,
overload, ground fault, earth leakage)
After tripping initiated by the "Push to trip" button or by
the undervoltage (MN) release or the shunt (MX)
release, device reset can be automatic, remote or
manual.
Following tripping due to an electrical fault (with an
SDE contact), reset must be carried out manually.
D-6
version: 1.0