Precision Control Systems 3629C - Manual (Page 19)

MODEL 3629C 15 04/10/2007
POWER CONNECTIONS
Note: It is recommended that the load and controller be protected by 3 class
"T" or "Semiconductor” fuses. Choose a fuse size approximately 120 to
125% of the current rating of the controller.
See Replacement Parts sections.
FUSES
LINE 1
LINE 2
LINE 3
LOAD 1
LOAD 2
LOAD 3
TO
3 PHASE SUPP
LY
DE
LT
A (OR WYE) LOAD
A
B
C
X
X
1 2
C
LO
S
E
D
Mode Switch
See Adjustments
Section
Figure 23. In-line power connections.
0
X
1 2
C
LO
S
E
D
Mode Switch
FUSES
LINE 1
LINE 2
LINE 3
LOAD 1
LOAD 2
LOAD 3
TO
3 PHASE SUPP
LY
INSIDE DEL
TA
LOA
D
A
B
C
Note: Three (3) Power distribution
blocks must be provided by customer.
Equivalent circuit
See Adjustments
Section
Figure 24. Inside delta power connections.