Liebert LDM Wiring configuration of large branch circuit breakers continued, Installation

Installation

Table 2

Wiring configuration of large branch circuit breakers (continued)

Configuration 5: Four Modules With Six 3-Wire Subfeed Breaker CTs

Connector P3 (A)

Pins

▼

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1

Wire Color

W

B

W

B

W

B

W

B

W

B

W

B

W

B

W

B

W

B

CT

LB1

LB2

LB3

LB4

LB5

LB6

LB7

LB8

LB9

Phase

A1

B1

C1

A2

B2

C2

A3

B3

C3

Connector P4 (B)

Pins

▼

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1

Wire Color

W

B

W

B

W

B

W

B

W

B

W

B

W

B

W

B

W

B

CT

LB10

LB11

LB12

LB13

LB14

LB15

LB16

LB17

LB18

Phase

A4

B4

C4

A5

B5

C5

A6

B6

C6

Configuration 6: Three Modules With Nine Large Branch Breaker CTs

Connector P3 (A)

Pins

▼

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1

Wire Color

W

B

W

B

W

B

W

B

W

B

W

B

W

B

W

B

W

B

CT

LB1

LB2

LB3

LB4

LB5

LB6

LB7

LB8

LB9

or IG

Connector P4 (B)

Pins

▼

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1

W = White

IG = Isolated Ground CT

A = A Phase CT

N = Neutral CT

B = Black

LB = Large Branch Breaker CT

B = B Phase CT

G = Ground CT

C = C Phase CT

11