42 / 267
3VT1 Molded Case Circuit Breakers up to 160 A
Accessories and Components
Motorized operating mechanisms
2/32
Siemens LV 36 · 2008
2
Circuit breaker switching off by
shunt release, undervoltage release or TEST pushbutton
Automatic operation no. 1
Automatic operation no. 2
Automatic operation no. 3
15
15
20
10
0
1
0
1
0
1
0
1
t
[ms]
1085
NSO0_00072
2
4
6
1
3
5
3.4 3.3
3.2 3.1
2.4 2.3
accessory
compartment
3
accessory
compart-
ment
2
Main contacts
Auxiliary switch - NO contact
Auxiliary switch - NC contact
signal switch Auxiliary release
15
15
20
10
0
1
0
1
0
1
0
1
t
[ms]
NSO0_00073
2
4
6
1
3
5
3.4 3.3
3.2 3.1
2.4 2.3
Main contacts
Auxiliary switch - NO contact
Auxiliary switch - NC contact
signal switch Auxiliary release
accessory
compartment
3
accessory
compart-
ment
2
15
15
20
10
0
1
0
1
0
1
0
1
t
[ms]
NSO0_00073
2
4
6
1
3
5
3.4 3.3
3.2 3.1
2.4 2.3
Main contacts
Auxiliary switch - NO contact
Auxiliary switch - NC contact
signal switch Auxiliary release
accessory
compartment
3
accessory
compart-
ment
2