SECTION
BUCK-BOOST TRANSFORMERS
ACME ELECTRIC
•
MILWAUKEE, WI
•
800.334.5214
•
acmetransformer.com
101
DESIGN A
DESIGN B
DESIGN C
DESIGN D
LOW VOLTAGE LIGHTING WIRING DIAGRAMS
SINGLE PHASE
D
H
W
D
H
W
D
H
W
D
H
W
Number of Leads per Termination
H1 H2 H3 H4 X1 X2 X3 X4
T213078 1 1 1 1 2 2 2 2
T213079 1 1 1 1 2 2 2 2
T243571 1 1 1 1 2 2 2 2
T211688 1 1 1 1 2 2 2 2
T211689 1 1 1 1 2 2 2 2
All leads with same designation (ex. X1, X1)
MUST be joined together for proper operation.
GROUP I
GROUP II
GROUP III
K
L
M
N
H4
H1
H3
H2
X1 X2 X3 X4
X1 X2 X3 X4
H4
H1
H3
H2
X1 X2 X3 X4
H4
H1
H3 H2
X1 X2 X3 X4
H4
H1
H3 H2
NOTE: All designs listed above are totally enclosed and suitable for UL 3R outdoor service.
BUCK-BOOST DIMENSIONAL DRAWINGS
Units Rated 120 x 240 V Input: 16/32 V Output
INPUT
OUTPUT
CONNECTION
DIAGRAM
120
16
K
120
32
L
240
16
M
240
32
N
Units Rated 120 x 240 V Input: 12/24 V Output
INPUT
OUTPUT
CONNECTION
DIAGRAM
120
12
K
120
24
L
240
12
M
240
24
N
Units Rated 240 x 480 V Input: 24/48 V Output
INPUT
OUTPUT
CONNECTION
DIAGRAM
240
24
K
240
48
L
480
24
M
480
48
N