P R I N T E D
C I R C U I T
T R A N S F O R M E R S
“Low Boy” LB Series
Stancor® Low Boy™
Low Profile
All Dual Primaries are 115/230V 50/60Hz, 8 Pins
STANCOR
PART
Sec. NUMBER VA
A
LB-210
LB-310
LB-410
LB-510
B
LB-610
LB-1210
LB-412
LB-512
C
LB-612
LB-1212
LB-215
LB-315
D
LB-616
LB-1216
LB-420
LB-520
E
LB-620
LB-1220
LB-424
LB-524
F
LB-624
LB-1224
LB-634
LB-1234
G
LB-240
LB-640
LB-1240
LB-256
H
LB-656
LB-1256
LB-288
LB-688
I
LB-1288
LB-2120
LB-4120
LB-5120
J
LB-6120
LB-2230
LB-6230
2.0
3.0
4.0
5.0
6.0
12.0
4.0
5.0
6.0
12.0
2.0
3.0
6.0
12.0
4.0
5.0
6.0
12.0
4.0
5.0
6.0
12.0
6.0
12.0
2.0
6.0
12.0
2.0
6.0
12.0
2.0
6.0
12.0
2.0
4.0
5.0
6.0
2.0
6.0
Primary
Winding AC/DC
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
Dual
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
AC
Individual
Volts
mA
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Rated Output
Series
Volts
mA
10.0 C.T.
10.0 C.T.
10.0 C.T.
10.0 C.T.
10.0 C.T.
10.0 C.T.
12.0 C.T.
12.0 C.T.
12.6 C.T.
12.6 C.T.
15.0 C.T.
15.0 C.T.
16.0 C.T.
16.0 C.T.
20.0 C.T.
20.0 C.T.
20.0 C.T.
20.0 C.T.
24.0 C.T.
24.0 C.T.
24.0 C.T.
24.0 C.T.
34.0 C.T.
34.0 C.T.
40.0 C.T.
40.0 C.T.
40.0 C.T.
56.0 C.T.
56.0 C.T.
56.0 C.T.
88.0 C.T.
88.0 C.T.
88.0 C.T.
120.0 C.T.
120.0 C.T.
120.0 C.T.
120.0 C.T.
120.0 C.T.
230.0 C.T.
230.0 C.T.
230.0 C.T.
200
300
400
500
600
1200
333
417
450
900
150
225
350
700
200
250
300
600
167
208
250
500
170
340
60
150
300
45
100
200
28
65
130
20
33
41.7
50
100
10
25
50
DIMENSIONS - INCHES
Parallel
Volts
mA
5.0
5.0
5.0
5.0
5.0
5.0
6.0
6.0
6.3
6.3
7.5
7.5
8.0
8.0
10.0
10.0
10.0
10.0
12.0
12.0
12.0
12.0
17.0
17.0
20.0
20.0
20.0
28.0
28.0
28.0
44.0
44.0
44.0
60.0
60.0
60.0
60.0
60.0
115.0
115.0
115.0
400
600
800
1000
1200
2400
667
833
900
1800
300
450
700
1400
400
500
600
1200
333
417
500
1000
340
680
120
300
600
90
200
400
56
130
260
40
66
83.3
100
200
20
50
100
H
0.63
0.63
0.88
0.88
0.88
1.06
0.88
0.88
0.88
1.06
0.63
0.63
0.88
1.06
0.88
0.88
0.88
1.06
0.88
0.88
0.88
1.06
0.88
1.06
0.63
0.88
1.06
0.63
0.88
1.06
0.63
0.88
1.06
0.63
0.88
0.88
0.88
1.06
0.63
0.88
1.06
W
1.56
1.56
1.56
1.56
1.56
2.00
1.56
1.56
1.56
2.00
1.56
1.56
1.56
2.00
1.56
1.56
1.56
2.00
1.56
1.56
1.56
2.00
1.56
2.00
1.56
1.56
2.00
1.56
1.56
2.00
1.56
1.56
2.00
1.56
1.56
1.56
1.56
2.00
1.56
1.56
2.00
L
1.88
1.88
1.88
1.88
1.88
2.50
1.88
1.88
1.88
2.50
1.88
1.88
1.88
2.50
1.88
1.88
1.88
2.50
1.88
1.88
1.88
2.50
1.88
2.50
1.88
1.88
2.50
1.88
1.88
2.50
1.88
1.88
2.50
1.88
1.88
1.88
1.88
2.50
1.88
1.88
2.50
MW
0.88
0.88
0.88
0.88
0.88
1.00
0.88
0.88
0.88
1.00
0.88
0.88
0.88
1.00
0.88
0.88
0.88
1.00
0.88
0.88
0.88
1.00
0.88
1.00
0.88
0.88
1.00
0.88
0.88
1.00
0.88
0.88
1.00
0.88
0.88
0.88
0.88
1.00
0.88
0.88
1.00
ML
1.62
1.62
1.62
1.62
1.62
2.00
1.62
1.62
1.62
2.00
1.62
1.62
1.62
2.00
1.62
1.62
1.62
2.00
1.62
1.62
1.62
2.00
1.62
2.00
1.62
1.62
2.00
1.62
1.62
2.00
1.62
1.62
2.00
1.62
1.62
1.62
1.62
2.00
1.62
1.62
2.00
A
1.6
1.6
1.6
1.6
1.6
2.0
1.6
1.6
1.6
2.0
1.6
1.6
1.6
2.0
1.6
1.6
1.6
2.0
1.6
1.6
1.6
2.0
1.6
2.0
1.6
1.6
2.0
1.6
1.6
2.0
1.6
1.6
2.0
1.6
1.6
1.6
1.6
2.0
1.6
1.6
2.0
B
0.38
0.38
0.38
0.38
0.38
0.50
0.38
0.38
0.38
0.50
0.38
0.38
0.38
0.50
0.38
0.38
0.38
0.50
0.38
0.38
0.38
0.50
0.38
0.50
0.38
0.38
0.50
0.38
0.38
0.50
0.38
0.38
0.50
0.38
0.38
0.38
0.38
0.50
0.38
0.38
0.50
Weight
(lbs.)
0.28
0.28
0.34
0.34
0.34
0.72
0.34
0.34
0.34
0.72
0.28
0.28
0.34
0.72
0.34
0.34
0.34
0.72
0.34
0.34
0.34
0.72
0.34
0.72
0.28
0.34
0.72
0.28
0.34
0.72
0.28
0.34
0.72
0.28
0.34
0.34
0.34
0.72
0.28
0.34
0.72
Agency
F
Certif.
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
LB-12120 12.0
LB-12230 12.0
F
Agency Certification Note: UL Recognized (File E68100)
For schematic diagrams and outline drawing refer to page 28.
White-Rodgers • Emerson Electric Co.
9797 Reavis Road • St. Louis, MO 63123
(314) 865-8799 • Fax (314) 638-2400
27
P R I N T E D
C I R C U I T
T R A N S F O R M E R S
“Low Boy” LB Series
LB Type
(Series Connections)
LINE
PRIMARY
230V
50/60 Hz
LINE
1
5
L
O
A
D
LB Type
(Parallel Connections)
1
5
2
4
6
8
2
LINE
PRIMARY
115V
50/60 Hz
4
6
8
L
O
A
D
3
7
LINE
3
7
“Low Boy” LB Series
W
.020 X .041
MW
B
1
A
ML
L
5
.216
.125 ± .015 DIA.
H
28
White-Rodgers • Emerson Electric Co.
9797 Reavis Road • St. Louis, MO 63123
(314) 865-8799 • Fax (314) 638-2400
