SIOV Metal Oxide Varistors
HighE Series
Block varistors
Construction
ꢀ Disk-shaped varistor element,
potted in plastic housing
ꢀ Housing flame-retardant to UL 94 V-0
ꢀ Screw terminals M4 (SIOV-B32 … 40)
Screw terminals M5 (SIOV-B60 … 80)
Features
ꢀ Heavy-duty varistors (surge current capability up to 100 kA)
ꢀ Wide product range
ꢀ SIOV-B40 also available without housing (LS40 series)
ꢀ PSpice models
Approvals
ꢀ UL
ꢀ CSA (≥ K130)
ꢀ SEV (except SIOV-B80)
Type designation
Detailed description of coding system on page 39
SIOV-B 40 K 275
EPCOS metal oxide varistor
Max. AC operating voltage
Tolerance of varistor voltage
Design
Rated diameter of varistor disk
General technical data
Climatic category
40/85/56
in accordance with IEC 60068-1
LCT
UCT
–
+
40 °C
85 °C
Damp heat, steady state 56 days
(93 % r.h., 40 °C)
in accordance with IEC 60068-2-3
in accordance with CECC 42 000
Operating temperature
Storage temperature
Electric strength
– 40 … + 85 °C
– 40 … + 110 °C
≥ 2,5 kVRMS
≥ 1,0 GΩ
in accordance with CECC 42 000
in accordance with CECC 42 000
Insulation resistance
Response time
< 25 ns
Max. torque
B32/B40
B60/B80
1,0 Nm
2,5 Nm
221 10/00