Medium-voltage Distribution System

Plug-in Cable Connectors for Medium-Voltage Power Distribution Systems

Plug-in cable connectors completely encapsulate exposed cable terminals and conductive rods within insulating silicone rubber or EPDM rubber, forming a reliable electrical isolation and sealing barrier.

The entire power distribution unit has no exposed live parts, enabling safe operation in confined spaces and significantly expanding the deployment flexibility of modern urban power grids.

Plug-in cable connectors transform equipment into standardized "functional modules" with pre-installed bushings. On-site work is reduced to fabricating cable terminations and plugging them in, which streamlines installation, shortens project timelines, and lessens reliance on highly skilled labor.

In medium-voltage power distribution systems, where are Separable cable accessories typically installed, and how should their type be selected?

Separable cable accessories can only be guaranteed to operate normally in medium-voltage power distribution systems if they meet design requirements, are selected correctly, and are installed properly.

The unique value of Separable cable accessories in medium-voltage power distribution systems

Quick connection and disconnection: Transformers, switches, surge arresters, and other equipment are converted into standard "functional modules." Bushings are pre-assembled at the factory; field installation requires only cable termination and insertion, reducing installation time by over 70% and significantly reducing reliance on the skills of on-site personnel for quality control.

System miniaturization: Its superior full insulation performance reduces phase-to-phase and phase-to-ground safety gaps from centimeters to millimeters. This directly solves the problem of extremely limited space in urban centers and building interiors.

Higher safety factor: Through full insulation and sealed design, exposed conductors are completely eliminated, enabling medium-voltage equipment to achieve "electric shock safety" on-site, greatly reducing the risk of electric shock and short circuits.

Higher safety factor
System miniaturization
Plug and Play

Technological development

1994 – Company founded in Yueqing, Zhejiang, China
2000 – Renamed to Wenzhou Hangda Electric Co., Ltd.
2002 – Shanghai Songjiang production base established
2004 – Co-developed MNS switchgear accessories with ABB
2010 – Became an executive director of the CEEIA Electrical Control & Distribution Equipment Branch.
2011 – Xiamen Rlions Electric Co.,Ltd production base established
2014 – Successfully included in ABB’s new global qualified supplier system.
2017 – Upgraded to Hangda Electric Co., Ltd. with a registered capital of 50 million RMB.
2024 – 35kV-and-below cable accessories added to the State Grid supplier system.