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3VT2 Molded Case Circuit Breakers up to 250 A

Circuit breakers · Switch disconnectors

3/14

Siemens LV 36 · 2008

3

4-pole version

L+

Q3

X3

MP

NC NO

S5

C

X3

J

X4

A2

A2

10.Y2

10.Y1

10.Y1

10.Y3

10.Y2

10.Y4

B2

A1

A1

B1

PE

YC

N–

9 7

8

3

6

4

2

1

2

5

1

1

3VT9 2..-6..0

SO 3

SO 1

T3

T2

T1

V

Q

B

A

SO 2

1

4 2 1

4 2

2 4

3 5

M P

U

<

U

<

I

>

I

>

U

6

2 4

1

1 3 5

TEST

T4

N

7

N

2 4 6 8

NSO0_00091

3VT9 300-1U.00

3VT9 300-1S.00

3VT9 300-1U.10

3VT9 300-2AJ00

S

B

-4WA30

-4PA30

-4WA30

-4PA30

Recommended wiring of the

control circuits

Ext.oper.

counter

cavity no. 10

Plug-in device/Withdrawable device

Plug-in device/Withdrawable device

Main circuit

ON

OFF

Auxiliary trips/Early contact

Motor drive

or

or

or

X2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

2.3

2.1

2.2

2.4

3.3

3.1

3.2

3.4

2.3

3.3

2.1

3.3

2.1

3.1

4.3

4.1

4.2

4.4

5.3

5.1

5.2

5.4

A

B

1.3

1.1

1.2

1.4

3VT9 300-2AC10

3VT9 300-2AD10

3VT9 300-2AH10

1.4

1.2

1.1

2.4

2.2

2.1

3.4

3.2

3.1

2.4

3.4

2.2

3.4

2.2

3.2

4.4

4.2

4.1

5.4

5.2

5.1

6.3

6.1

6.2

6.4

6.4

6.2

6.1

NSO0_00092

X1

1 2 3 4 5 6 7 8 9 10 1112 13 14 15

3VT9 300-2AC10

3VT9 300-2AD10

3VT9 300-2AH10

3VT9 300-2AD10

3VT9 300-2AH10

3VT9 300-2AG10

3VT9 300-2AF10

3VT9 300-2AE10

3VT9 300-2AC10

3VT9 300-2AC10

3VT9 300-2AD10

3VT9 300-2AH10

3VT9 300-2AC10

3VT9 300-2AD10

3VT9 300-2AH10

3VT9 300-2AC10

3VT9 300-2AD10

3VT9 300-2AH10

Connecting cable

relative auxiliary

signal

auxiliary

auxiliary

auxiliary

auxiliary

acc. c. no. 2 acc. c. no. 3 acc.c. no. 2 + 3 acc. c. no. 4 acc. c. no. 5

acc.c. no. 1

acc. c. no. 6

or or

or or

or or

or

or

or

or or

or or

or or

Switches

Connecting cable