
485V Varistor Disc for Surge Protection - Model VR20D781K
Manufacturer:
HAKEL OJSC
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Description
VR20D781K - varistor of KVS series, 485 V, 6.5 kA (8/20), zinc-oxide, disc-shaped with unidirectional (radial) wire leads, protected, uninsulated.
Specifications
Classification rated voltage at 1 mA current
780 V
Maximum AC operating voltage
485 V
Maximum continuous operating voltage
640 V
Permissible amplitude of a single current pulse (8/20 µs)
6500 A
Maximum pulse energy (2 ms)
187.2
Operating temperature range
-60...85 °C
Maximum disk diameter
23 mm
Maximum disk thickness
8 mm
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