UL 497C
1000 V peak, 5000 A, 8x20 µs pulse are applied to three new protectors, with a rest
period of one minute between surges.
3. Variable Ambient Conditioning — Protectors must comply with the strike voltage
requirements after being subjected to an ambient temperature of 25 °C for four hours
and again after being subjected to an ambient temperature of 90 °C for an additional four
hours.
4. Discharge Test — Protectors must comply with strike voltage requirements after being
subjected to a discharge of 1000 V, 100 ± 10 V/µs, 10 A impulse.
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SIDACtor Data Book and Design Guide
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