Amid the rapid advancement of Industry 4.0 and smart manufacturing, rectangular connectors—the core interconnection components of industrial control equipment—are experiencing continuous market expansion. According to Frost & Sullivan, the global rectangular connector market reached $12.6 billion in 2024, marking a year-on-year growth of 9.5%.
Thanks to their modular design, high reliability, and ease of on-site installation and maintenance, rectangular connectors are widely used in PLC control cabinets, servo drives, industrial robots, and more. While international brands like Harting and Weidmuller continue to dominate the high-end market, domestic manufacturers such as WAIN are rising rapidly to meet growing demand.
By 2028, the global rectangular connector market is projected to surpass $18 billion.