Siemens SENTRON 3VL System Manual page 318

Circuit diagrams
Table 14- 1
Q1
F1
F3
AS
EBS
EMS
T1 ... T4 Current transformer
HS
AS
Figure 14-2
3- and 4-pole circuit breakers for line and motor protection with electronic overcurrent trip
units
318
Terminal assignments for rotary operating mechanism, leading auxiliary switch
Main contacts
Tripping solenoid for A1
Shunt release
Alarm switches
Leading auxiliary switch ON (integrated into the rotary operating mechanism)
Leading auxiliary switch OFF (integrated into the rotary operating mechanism)
Auxiliary switches
Alarm switches
Internal circuit diagram for VL160-VL250
A1 Electronic overcurrent trip unit
F2 Undervoltage release
HS Auxiliary switches
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01