www.stancor.com 25
PRiNTED CiRCuiT TRANSFORMERS
Stancor® Low Boy™
Low Profile
“Low Boy” LB Series
Primaries are 115/230V 50/60Hz, 8 Pins
STANCOR Rated Output DIMENSIONS - INCHES
PART Primary Individual Series Parallel Weight Agency✳
Sec. NUMBER VA Winding AC/DC Volts mA Volts mA Volts mA H W L MW ML A B (lbs.) Certif.
A LB-210 2.0 Dual AC - - 10.0 C.T. 200 5.0 400 0.63 1.56 1.88 0.88 1.62 1.6 0.38 0.28
LB-310 3.0 Dual AC - - 10.0 C.T. 300 5.0 600 0.63 1.56 1.88 0.88 1.62 1.6 0.38 0.28
B LB-610 6.0 Dual AC - - 10.0 C.T. 600 5.0 1200 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
C LB-612 6.0 Dual AC - - 12.6 C.T. 450 6.3 900 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-1212 12.0 Dual AC - - 12.6 C.T. 900 6.3 1800 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
LB-215 2.0 Dual AC - - 15.0 C.T. 150 7.5 300 0.63 1.56 1.88 0.88 1.62 1.6 0.38 0.28
LB-315 3.0 Dual AC - - 15.0 C.T. 225 7.5 450 0.63 1.56 1.88 0.88 1.62 1.6 0.38 0.28
D LB-616 6.0 Dual AC - - 16.0 C.T. 350 8.0 700 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-1216 12.0 Dual AC - - 16.0 C.T. 700 8.0 1400 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
LB-420 4.0 Dual AC - - 20.0 C.T. 200 10.0 400 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-520 5.0 Dual AC - - 20.0 C.T. 250 10.0 500 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
E LB-620 6.0 Dual AC - - 20.0 C.T. 300 10.0 600 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-1220 12.0 Dual AC - - 20.0 C.T. 600 10.0 1200 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
LB-424 4.0 Dual AC - - 24.0 C.T. 167 12.0 333 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
F LB-624 6.0 Dual AC - - 24.0 C.T. 250 12.0 500 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-1224 12.0 Dual AC - - 24.0 C.T. 500 12.0 1000 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
LB-634 6.0 Dual AC - - 34.0 C.T. 170 17.0 340 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-1234 12.0 Dual AC - - 34.0 C.T. 340 17.0 680 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
G LB-640 6.0 Dual AC - - 40.0 C.T. 150 20.0 300 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-1240 12.0 Dual AC - - 40.0 C.T. 300 20.0 600 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
LB-256 2.0 Dual AC - - 56.0 C.T. 45 28.0 90 0.63 1.56 1.88 0.88 1.62 1.6 0.38 0.28
H LB-656 6.0 Dual AC - - 56.0 C.T. 100 28.0 200 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
I LB-6230 6.0 Dual AC - - 230.0 C.T. 25 115.0 50 0.88 1.56 1.88 0.88 1.62 1.6 0.38 0.34
LB-12230 12.0 Dual AC - - 230.0 C.T. 50 115.0 100 1.06 2.00 2.50 1.00 2.00 2.0 0.50 0.72
For schematic diagrams and outline drawing refer to page 26.
✳ Agency Certification Note: UL Recognized (File E68100)
LB-210
26
PRiNTED CiRCuiT TRANSFORMERS
www.stancor.com
“Low Boy” LB Series
LB Type
(Series Connections)
LB Type
(Parallel Connections)
.020 X .041
.125 ± .015 dIA.
w
l
ml
A
H
b
1
5
.216
mw
LINE
LINE
LINE
LINE
PRIMARY
230V
50/60 Hz
PRIMARY
115V
50/60 Hz
1 5
2 6
4 8
3 7
1 5
26
48
3 7
L
O
A
D
L
O
A
D
TECH TIP
Explanation of Low Boy Interconnections
Because of the toroidal effect, two identical coils
are connected in series or parallel, but one of the
coils must be connected in reverse in order to get
correct polarity and voltage.
Pri. Coil 1
1
2
5
6
3
4
7
8
Sec. Coil 1
Pri. Coil 2
Sec. Coil 2
