G e n e r a l
Diagrams
216
PRIMARY: 190/200/208/220/
240 Volts Delta
SECONDARY: 400Y/231 Volts
X3
H1
H2
123
H3
X2
X1
X0
45
12345
123456
6
6
Connect
Connect
Primary Primary
Inter-
Secondary
Volts
Lines To
Connect
Lines To
240
H1, H2, H3
1
230
H1, H2, H3
2
220
H1, H2, H3
3
210
H1, H2, H3
4
200
H1, H2, H3
5
190
H1, H2, H3
6
Secondary Volts
400
X1, X2, X3
231
X1 to X0
1 phase
X2 to X0
X3 to X0
75
X1
H1 H2
H3
X2
X3
Connect
Connect
Primary Primary
Inter-
Secondary
Volts
Lines To
Connect
Lines To
277
H1 & H2
480
H1 & H3
Secondary Volts
208
X1 to X2
277
X1 to X3
PRIMARY: 277/480 Volts
SECONDARY: 208/277 Volts
TAPS: NONE
78
PRIMARY: 277/480 Volts
SECONDARY: 208/277 Volts
TAPS: NONE
H1
H6
X1
X4
X3
X6
H5
H4
H2 H3
X5
X2
79
Connect
Connect
Primary Primary
Inter-
Secondary
Volts
Lines To
Connect
Lines To
277
H1 - H5
H2 to H4
480
H1 - H6
H3 to H4
Secondary Volts
208
X2 to X4
X1- X5
277
X3 to X4
X1- X6
X3
H1
H2
123
H3
X2
X1
X0
123
123
PRIMARY: 480 Volts Delta
SECONDARY: 208Y/120 Volts
TAPS: 1-5% ANFC & 1-5% BNFC
80
Connect
Connect
Primary Primary
Inter-
Secondary
Volts
Lines To
Connect
Lines To
504
H1, H2, H3
1
480
H1, H2, H3
2
456
H1, H2, H3
3
Secondary Volts
208
X1, X2, X3
120
X1 to X0
1 phase
X2 to X0
X3 to X0
PRIMARY: 480 Volts Delta
SECONDARY: 208Y/120 Volts
TAPS: 2, 2
1
/
2
% ANFC, 2, 2
1
/
2
% BNFC
12345
12345
12345
X3
X2
X1
H1
H2
H3
X0
81
Connect
Connect
Primary Primary
Inter-
Secondary
Volts
Lines To
Connect
Lines To
504
H1, H2, H3
1
492
H1, H2, H3
2
480
H1, H2, H3
3
468
H1, H2, H3
4
456
H1, H2, H3
5
Secondary Volts
208
X1, X2, X3
120
X1 to X0
1 phase
X2 to X0
X3 to X0