Circutor QNA-P Series Manuel d'utilisateur télécharger pdf (Page 9)

Page no. 8

5.1.- Terminal ratio.

Terminal

No.

Terminal Description

Upper board

21 VL1 measurement

22 Common L1

23 VL2 measurement

24 Common L12

25 VL3 measurement

26 Common L13

27 Neutral

28 Earth

29 Not connected

30 Not connected

31 Not connected

32 Not connected

33 Not connected

34 Not connected

1 2 43 1165 7 8 9

21 22 24 3423 333026 3125

27 3228 29

Upper connection terminal

35 Not connected

Lower board

1 Measured current IL1 S1

2 Measured current IL1 S2

3 Measured current IL2 S1

4 Measured current IL2 S2

5 Measured current IL3 S1

6 Measured current IL3 S2

7 Measured current Neutral S1

8 Measured current Neutral S2

9 Voltage input power supply

11 Voltage input power supply

R1 RS-232

1 2 4

3 1165 7 8 9

21 22 24 3423 333026 3125 3527 3228 29

Lower connection terminal

R2 RS-485 / GSM Aerial

(According to model)

The QNA-412 may be installed in either a three phase system with Neutral (4

wire) or without Neutral (3 wire). Measurement only depends on the connection and

equipment setting.

Earthing is vital to the operation of the QNA-412's

protection.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 35 36

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Circutor QNA-P Series Manuel d'utilisateur Page 9

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