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Surge Protector

CST-40K-3 20KA-40KA House Lightning Surge Protective Protector

CST-40K-3 20KA-40KA House Lightning Surge Protective Protector

20KA-40KA House Lightning Surge Protective Protector
Electric ratings: 220-385V, AC50/60Hz, 3-phase;
Number of poles: 4;
Size: 73*65*94mm, 520g;
Product description: 20KA-40KA House Lightning Surge Protective Protector, Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage.
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Feature:

20KA-40KA House Lightning Surge Protective Protector;

Electric ratings: 220-385V, AC50/60Hz, 3-phase;
Number of poles: 4;
Short circuit current: up to 40kA (8/20μs);
Standard: IEC/EN 61643-1;
Size: 73*65*94mm, 520g;

Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage.

Specification:

Model	CST-20K-3	CST-40K-3	CST-80K-3
Rated operation voltage(Un)	AC220V
Max. Continuous Operating Voltage(Uc)	AC385V
Nominal Discharge Current(8/20μs)(In)	10KA	20KA	40KA
Max. Discharge Current(8/20μs)(Imax)	20KA	40KA	80KA
Voltage Protection Level(Up)	≤1.6KV	≤1.8KV	≤2.5KV
Response Time	≤25ns
Invalidation	Green/Red window color showing working status,green=normal ,red=abnormal
Storage Environment	-40℃~90℃
Working Environment	-35℃~90℃		-35℃~75℃
Material of Outer Shell	Flame retardant materials
Net Weight	520g		700g
Size	736594mm		1086191mm
Connector	Terminal
Installation	Standard rail 35mm