Watlow QPAC-01 - Page 22

Starting Out
22
QPAC User's Manual
How to Install and Wire the QPAC, Chapter 2
Input Wiring
AL Control Card Current Transformers, cont'd.
Figure 31 - Example
Current Transformer
Connections,
Two C.T.'s for Two
LegSensing, 75
Amps and Above
Figure 30 - Example
Current Transformer
(C.T.) Connections
One C.T., 75 Amps
and Above, 1Ø
Figure 29 -
Current Transformer
(C.T.) Connections,
One C.T. 50 Amps Or
Less, 1Ø
① NOTE:
Both load leads
must pass through
the C.T.'s in the
same direction.
TB-3
AL Card
Load Wire
20mA
TB-2
CT
T1
T2
TB-3
AL Card
Bk
Red
Red
Wh Bk
Bk Wh
Bk
16-0176
Transformer
TB-2
CT
CT
T1
T3
T2
5A
20mA
CT
AL Card
Bk
Bk
Bk
16-0176
Transformer
Red
Red
Wh
TB-3
TB-2
5A
20mA
5A:20mA
T2T1
1
5
Load
①
①