444KV Extra High Voltage Substation Lightning Arrester with ISO9001 Certified Y20W5-444 manufacturer from China Hangzhou Yongde Electric Appliances Co.,Ltd

444KV Extra High Voltage Substation Lightning Arrester with ISO9001 Certified

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: Y20W5-444

Extra-high Voltage Outdoor Power Station Surge Protection Device

Description:
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Extra-high Voltage Outdoor Power Station Surge Protection Device

Description:

Porcelain Surge Arrester

Main features: It adopts double sealing structure, the core encapsulates by molded silicone rubber which completely solves the sealing problem of porcelain housed products.
It has a two-way pressure release structure.
Its core component ZnO varistor has good pressure ratio, consistency, large flow capacity and high reliability.
E creepage distance of porcelain housed products is wide which is suitable for IV level heavy pollution areas.

Specifications:

Rated voltage: 444KV
Nominal discharge current: 20KA

Type	Nominal System Voltage	Rated Voltage	Continuous Operating Voltage	MRV under 1/5 μ s Steeo Discharge Current		MRV under 8/20 μ s Lightning Discharge Current		MRV under 30/60 μ s Operating Discharge Current		Minmum Reference Voltage under 1 mA DC	4/10 μ s High Current Impulse Twice (KA)	2mS SW through-flow capacity A/18	Line Discharge Class
Type	Nominal System Voltage	Rated Voltage	Continuous Operating Voltage	10KA	20KA	10KA	20KA	0.5KA	2KA	Minmum Reference Voltage under 1 mA DC	4/10 μ s High Current Impulse Twice (KA)	2mS SW through-flow capacity A/18	Line Discharge Class
Y10W5-420/960	500	420	318	1075		960		852		565	100	1500	4
Y20W5-420/1046	500	420	318		1070		1046		858	565	100	2000	5
Y10W5-444/1015	500	444	324	1137		1015		900		597	100	1500	4
Y20W5-444/1106	500	444	324		1238		1106		907	597	100	2000	5
Y10W5-468/1070	500	468	330	1198		1070		950		630	100	1500	4
Y20W5-468/1166	500	468	330		1306		1166		956	630	100	2000	5