1. 0.28kV~500kV Surge Arresters' Characteristics: 
1. The Core column applied winding structure, Polymer Housed core pillar molded on the core column, with almost no internal air gap, and outstanding sealing performance Simple in structure, small in size and light in weight. 
2. Polymer Housed with silicone rubber, explosion-proof ZnO varistor as the core component is large
in flow capacity.
3. International standard IEC 60099-4 and ANSI 62.22, and with high reliability. With fully insulated tops, the product can be applied to the complete cabinet installation, which can reduce the designing size of cabinet. 
4. Products with detachment device can provide signals for quitting operation when failure occurs,
avoiding arrester explosion, and it is maintenance-free. 
5. Polymer housed products with a six CTI level, creepage distance meets the requirements of IV level in heavy pollution areas.

2. Surge Arrester Technical Parameters:

3. Surge Arrester Working Condition:

 4. Other Surge Arrester

Hangzhou Yongde Electric Appliances Co.,Ltd was founded in 1993. We are one of the recommended model companies for national power grid of China. Our company is the professional manufacturer of 0.22KV-500KV metal oxide surge arresters, Zinc oxide varistors, 10-220KV outdoor disconnectors, earthing switches, composite insulators and fuse cutouts.

Yongde sticks to the quality policy of "being the technical forerunner, supreme in quality, supremacy of customers, and innovative progressing", so that our products and services successfully satisfy our users. We warmly welcome friends and customers from at home and abroad to contact us for exchange and corporation. We also welcome the feedback from our users.

Certifications

Production Lead Time & Quality Guarantee:
1. Sample deliery time is about 2-3 days;
big order quantity is about 30-35 days after we receive 30%~50% deposit from you.
Generally, it takes 4 working days by DHL/UPS, and 7-10 days by EMS.
2. 12 months' warranty period. 20 years' quality guarantee period
With ISO9001:2008approvals.

Customer Services:
Our salesmen will reply your inquiry within 24 hours. Any order is welcome. If you like to be our agent in your country, we can give you any support on the technique & other aspects.