Schneider Electric EM3555 manual Wiring Diagrams, Use System Type 11 2L

EM3555	ZL0093-0A
Wiring Diagrams	11/2011

WIRING DIAGRAMS

WARNING

RISK OF ELECTRIC SHOCK

CT negative terminals are referenced to the meter’s neutral and may be at elevated voltages

·Do not contact meter terminals while the unit is connected

·Do not connect or short other circuits to the CT terminals

Failure to follow these instructions can result in death or serious injury.

Diagram 1: 1-Phase Line-to-Neutral 2- Wire System 1 CT				Diagram 2:	1-Phase Line-to-Line 2-Wire System 1 CT
N	L1	Use System Type 10 (1L + 1n)		L1 L2	Use System Type 11 (2L)
			A			A
			B			B
			C			C
			N			N
	X1	White		X1	White	+
			+		Black
		Black		X2		- A
	X2		- A			+
			+
						-	B
			- B
						+
			+			- C
			- C

Diagram 3: 1-Phase Direct Voltage Connection 2 CT	Diagram 4:	3-Phase 3-Wire 3 CT no PT
Use System Type 12 (2L + 1n)	Use	System Type 31 (3L)

N

L1

L2

L1

L2

L3

A

A

B

B

C

C

N

N

X1

White

+

X1

White

+

X2

Black

- A

Black

-

A

X1

White

+

X2

X1

White

+

- B

Black

-

B

Black

+

X2

X1

White

+

X2

- C

X2

Black

-

C

Diagram 5: 3-Phase 4-Wire Wye Direct Voltage Input Connection

Diagram 6:

3-Phase 4-Wire Wye Connection 3 CT 3 PT

3 CT

Use System Type 40 (3L + 1n)

Use System Type 40 (3L + 1n)

N

L1

L2

L3

N

L1

L2

L3

A

A

B

B

C

C

N

N

X1

White

X1

White

+

+

Black

Black

A

X2

X1

- A

X2

X1

-

White

+

White

+

B

Black

- B

Black

X2

X2

X1

-

X1

White

+

White

+

C

Black

- C

Black

X2

X2

-

10

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