SUNJ BLOG

We are delighted to announce that our factory has reached a significant achievement in the power hardware industry, dedicating to the development and innovation within the sector.

ZHEJIANG SUNJ ELECTICAL CO.,LTD's knowledgeable team showcased our latest power equipment solutions and discussed how our company meets our customers' specific requirements.

ZHEJIANG SUNJ ELECTICAL CO.,LTD participated in the  FIEE 2019 Exhibition from 23th-26th,July.2019 .

This blog provides a complete guide to ABC Accessories, covering the main types such as anchoring clamps, suspension clamps, service clamps, insulation piercing connectors, parallel groove clamps, and cable lugs. It explains their functions, compliance with IEC and NFC standards, and practical applications in urban distribution, rural electrification, and renewable energy projects. With professional insights drawn from years of experience in power line fittings, the article also offers clear guidance on how to select the right accessories for long-lasting, safe, and efficient overhead distribution networks.

For most hardware terminals, the terminals must be surface treated, which generally refers to electroplating.

A practical guide to how metal oxide (ZnO) surge arresters protect high-voltage substations—covering the clamping mechanism, insulation coordination, arrester types, and key selection ratings. SUNJ explains what substation engineers need to specify.

A practical buyer's guide to selecting drop-out fuse cutouts for distribution transformer protection—covering voltage class, fuse-link sizing, interrupting rating, porcelain vs. polymer, and coordination. SUNJ explains what utility buyers need to specify.