
Disc Varistor VR20D221K for Surge Protection in Electrical Systems
Manufacturer:
HAKEL OJSC
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Description
VR20D221K - varistor of KVS series, 140 V, 6.5 kA (8/20), zinc-oxide, disc-shaped with unidirectional (radial) wire leads, protected, not insulated.
Specifications
Maximum disk thickness
8 mm
Maximum disk diameter
23 mm
Operating temperature range
-60...85 °C
Maximum pulse energy (2 ms)
66
Permissible amplitude of a single current pulse (8/20 µs)
6500 A
Maximum continuous operating voltage
180 V
Maximum AC operating voltage
140 V
Classification rated voltage at 1 mA current
220 V
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