Product Details
Place of Origin: Zhejiang,China(Mainland)
Brand Name: YONGDE
Certification: ISO9001
Model Number: Y20W5-444
Payment & Shipping Terms
Minimum Order Quantity: 1pcs
Price: negotiation
Packaging Details: Wooden case
Delivery Time: 21days per container
Payment Terms: D/A, D/P, L/C, T/T, Western Union, MoneyGram, PayPal
Supply Ability: 1,500 pcs per month
Type: |
Metal Oxide Surge Arrester |
Material: |
Porcelain |
Housing: |
Porcelain |
Rated Voltage: |
444KV |
Nominal Current: |
20KA |
Purpose: |
Over-Voltage Protection |
Color: |
Brown |
Certificate: |
ISO9001, KEMA |
Standard: |
IEC60099-4 |
Type: |
Metal Oxide Surge Arrester |
Material: |
Porcelain |
Housing: |
Porcelain |
Rated Voltage: |
444KV |
Nominal Current: |
20KA |
Purpose: |
Over-Voltage Protection |
Color: |
Brown |
Certificate: |
ISO9001, KEMA |
Standard: |
IEC60099-4 |
500kV Extra-high Voltage Type A.C System Surge Arrester , Porcelain Substation Type Arrester
Description:
Porcelain Surge Arrester for 35~220kv alternating system
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.
Product parameter:
Rated voltage: 444KV
Nominal discharge current: 20KA
Shed diameter: 412/380
Creepage distance: 17052mm
Height: 5824mm
Gross weight: 1355kg
High current impulse: 120KA
Lightning impulse withstand 1425KV
Switching impulse withstand: 1050/1175
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Application:
The zinc oxide arrester is mainly used to protect distribution transformer,cable
connector and electrical equipment from being damaged by lightning impulse
voltage and operating over-voltage.
