221
04/02
Construction
I
Disk-shaped varistor element,
potted in plastic housing
I
Housing and potting flame-retardant to UL 94 V-0
I
Screw terminals M4 (SIOV-B32 ... 40)
Screw terminals M5 (SIOV-B60 ... 80)
Features
I
Heavy-duty varistors (surge current capability up to 100 kA)
I
Wide product range
I
SIOV-B40 also available without housing (LS40 series)
I
PSpice models
Approvals
I
UL
I
CSA (
K130)
I
SEV (except SIOV-B80)
Type designation
Detailed description of coding system on page 39, chapter "General Technical Information"
General technical data
Climatic category
LCT
UCT
Damp heat, steady state
(93 % r.h., 40
C)
40/85/56
40
C
+ 85
C
56 days
in accordance with IEC 60068-1
in accordance with IEC 60068-2-3
Operating temperature
40 ... + 85
C
in accordance with CECC 42 000
Storage temperature
40 ... + 110
C
Electric strength
2,5 kV
RMS
in accordance with CECC 42 000
Insulation resistance
10 MW
in accordance with CECC 42 000
Response time
< 25 ns
Max. torque
B32/B40
B60/B80
1,0 Nm
2,5 Nm
SIOV-B 40 K 275
Design
Rated diameter of varistor disk
Max. AC operating voltage
Tolerance of varistor voltage
EPCOS metal oxide varistor
Block Varistors
HighE Series
224
04/02
1) Operating voltage differs from type designation
B32K420
B72232B0421K001
420
560
25000
600
1,2
B40K420
B72240B0421K001
420
560
40000
910
1,4
B60K420
B72260B0421K001
420
560
70000
1500
1,6
B80K420
B72280B0421K001
420
560
100000
2200
2,0
B32K440
B72232B0441K001
440
585
25000
630
1,2
B40K440
B72240B0441K001
440
585
40000
950
1,4
B60K440
B72260B0441K001
440
585
70000
1580
1,6
B80K440
B72280B0441K001
440
585
100000
2350
2,0
B32K460
B72232B0461K001
460
615
25000
660
1,2
B40K460
B72240B0461K001
460
615
40000
1000
1,4
B60K460
B72260B0461K001
460
615
70000
1650
1,6
B80K460
B72280B0461K001
460
615
100000
2500
2,0
B32K550
B72232B0551K001
550
745
25000
620
1,2
B40K550
B72240B0551K001
550
745
40000
960
1,4
B60K550
B72260B0551K001
550
745
70000
1500
1,6
B80K550
B72280B0551K001
550
745
100000
3100
2,0
B32K680
B72232B0681K001
680
895
25000
760
1,2
B40K680
B72240B0681K001
680
895
40000
1100
1,4
B60K680
B72260B0681K001
680
895
70000
1800
1,6
B80K680
B72280B0681K001
680
895
100000
3600
2,0
B32K750
B72232B0751K001
750
970
25000
800
1,2
B40K750
B72240B0751K001
750
970
40000
1200
1,4
B60K750
B72260B0751K001
750
970
70000
2000
1,6
B80K750
B72280B0751K001
750
970
100000
4000
2,0
B60K1000
1)
B72260B0102K001
1100
1465
70000
3000
1,6
B80K1100
B72280B0112K001
1100
1465
100000
6000
2,0
Maximum ratings (T
A
= 85
C)
Type
SIOV-
Ordering code
V
RMS
V
V
DC
V
i
max
8/20
ms
A
W
max
(2 ms)
J
P
max
W
Varistor elements without plastic housing (suitable for soldering) are available upon request.
Designations:
SIOV-D32K ... K6
SIOV-D60K ... K6
SIOV-D40K ... QK6
SIOV-D80K ... K6
HighE Series
Block Varistors
PDF 
ZIP
