Circuit diagrams
3VL molded-case circuit breakers
320 System Manual, 03/2009, 110 0110 - 02 DS 01
Circuit diagrams VL1 to 3, with or without undervoltage release
Below are the circuit diagrams for the motorized operating mechanism without stored energy
for the circuit breakers VL160X, VL160 and VL250. The functions of the motorized operating
mechanisms are described in Chapter ..........
L1 (L+)
N (L2, L-)
-S1
-S0
-F1
-F2
3(
Figure 14-4 Motorized operating mechanism without undervoltage release
Table 14- 2 Motorized operating mechanism without stored energy for VL160X-VL250, without
undervoltage release
S0 OFF (to be provided by customer) S1 ON (to be provided by customer)
-F1, -F2 Control circuit fuse PE Protective grounding
621
62))
)
/
/
6
3(
8
1//
)
.
$ODUPVZLWFKHV
Figure 14-5 Motorized operating mechanism with undervoltage release
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