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3VT2 Molded Case Circuit Breakers up to 250 A
Accessories and Components
Auxiliary switches · Auxiliary releases
3/5
Siemens LV 36 · 2008
3
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Overview
The circuit breakers can be equipped with
• auxiliary switches and
• alarm switches.
For remote switching, shunt releases can be built-in.
Undervoltage releases can be used to protect motors and other
equipment against damage in case of undervoltage.
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Selection and ordering data
1)
Not to be used with 3VT9 200-3M..0 motorized operating mechanism.
Rated control supply voltage U
s
/
Frequency
DT Order no.
PS*
Weight
per PU
approx.
AC 50/60 Hz/DC
kg
Auxiliary switches and alarm switches
Single NO contacts
AC/DC 60 ... 500 V
B
3VT9 300-2AC10
1 unit
0.020
AC/DC 5 ... 60 V
B
3VT9 300-2AC20
1 unit
0.120
Single NC contacts
AC/DC 60 ... 500 V
B
3VT9 300-2AD10
1 unit
0.130
AC/DC 5 ... 60 V
B
3VT9 300-2AD20
1 unit
0.130
Double contacts (2 x NO)
AC/DC 60 ... 500 V
B
3VT9 300-2AE10
1 unit
0.260
AC/DC 5 ... 60 V
B
3VT9 300-2AE20
1 unit
0.260
Double contacts (NO and NC)
AC/DC 60 ... 500 V
B
3VT9 300-2AF10
1 unit
0.250
AC/DC 5 ... 60 V
B
3VT9 300-2AF20
1 unit
0.250
Double contacts (2 x NC)
AC/DC 60 ... 500 V
B
3VT9 300-2AG10
1 unit
0.240
AC/DC 5 ... 60 V
B
3VT9 300-2AG20
1 unit
0.240
Change-over contacts
AC/DC 60 ... 250 V
B
3VT9 300-2AH10
1 unit
0.013
AC/DC 5 ... 60 V
B
3VT9 300-2AH20
1 unit
0.013
Leading contacts
AC/DC 60 ... 500 V
B
3VT9 300-2AJ00
1 unit
0.040
Shunt releases
AC/DC 24, 40, 48 V
B
3VT9 300-1SC00
1 unit
0.140
AC/DC 110 V
B
3VT9 300-1SD00
1 unit
0.140
AC 230, 400, 500 V/DC 220 V
B
3VT9 300-1SE00
1 unit
0.140
Undervoltage releases
AC/DC 24, 40, 48 V
B
3VT9 300-1UC00
1 unit
0.110
AC/DC 110 V
B
3VT9 300-1UD00
1 unit
0.110
AC 230, 400, 500 V/DC 220 V
B
3VT9 300-1UE00
1 unit
0.110
with leading contact
1)
AC/DC 24, 40, 48 V
3VT9 300-1UC10
on req.
AC/DC 110 V
3VT9 300-1UD10
on req.
AC 230, 400, 500 V/DC 220 V
3VT9 300-1UE10
on req.
* You can order this quantity or a multiple thereof.