420kv Power Station Type Electric Polymer Housing Surge Arrester

• Type: Power Source Arrester
• Installation: Other
• Application: Over-Voltage Protection
• Size: Other
• Operation Voltage: 4200kv
• Name: Porcelain Housing Surge Arrester
• Model NO.: Y20W-440
• Design Manufacture Standard: IEC60099-4
• Rated Voltage: 420kv
• Housing Material: porcelain
• Delivery Time: Shipped in 25 Days After Payment
• Color: Brown
• Usage: Power Station
• Transport Package: Wooden Box
• Trademark: YONGDE
• Origin: Zhejiang, China (Mainland)
• Production Capacity: 400 Piece/Pieces Per Month

Product Description

420KV Power Station Type  Electric Polymer Housing Surge Arrester

 

Specification

 

Rated voltage 420KV

Maximum system voltage:550KV

Continuous operating voltage:336KV

Shed diameter a1/a2:412/380

Height b:5824 mm

Creepage distance:17052 mm

Gross weight:1355Kg

Lightning impulse withstand 1425KV

Power frequency voltage withstand(dry/wet):1050KV

 

Mximum System voltage Kv Um		Rated voltage KV	Continuous operating voltage KV	1/5μs residual steep impulse current KV		8/20μs residual voltage of lightning impulse current			30/60μs residual voltage impulse current KV			Line discharge level	2ms long durationg current A	4/10μs high current impulse KA	Housing inluation withstand(at IEC or ANSI)
IEC	ANSI			10KA	20KA	5KA	10KA	20KA	0.5KA	1KA	2KA				Lightning impulse withstand KV	Switching impulse withstand	Power frequency voltage withstand (dry/wet)KV
550		420	336	1069	1079	912	990	1092	793	819	849	4	1300	120	1425		1050
				1056	1066	905	978	1080	787	813	842		1500
				1043	1053	894	966	1068	777	803	831	5	1800	150
				1011	1020	870	936	1032	763	788	816		2100