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¡ñ TKU2 surge protection device SPD, with two thunderbolt protection chips, one normal chip and a spare chip in the module. When the normal chip comes across thunder stroke or aging deterioration, the spare chip will be put into service autom-atically£¬and meanwhile£¬send signal for alarm.
Construction and Feature
¡ñ Plug-in type function unit makes easy replacement ¡ñ On-off indicating window ¡ñ Quick response less than 25ms
Technical data
¡ñ Max.continuous working voltage(Uc): 275V/320V/385V/420V--50Hz/60Hz ¡ñ Nominal dischargecurrent(8/20) (In): 5KA 8KA 15KA 20KA ¡ñ Max.dischargecurrent(8/20)(max): 8KA 15KA 40KA 65KA ¡ñ Voltage protection level(Up): 1.0KV/1.2KV/1.5KV/1.8KV/2.0KV ¡ñ Response time(tA): ¡Ü25ns ¡ñ Operating temperature range:-40¡æ+80¡æ ¡ñ Cross-section of mounting wire: ¡ò Min.1.5mm2solid wire£¬Max.35mm2 strand wire/25mm2solid wire ¡ñ Case material: Fire retardant reinforcement PA66£¬PC£¬PBT£¬fire retardant level VO ¡ñ Protection level: C¡¢D
