Collection: Heavy Duty Connector

Heavy Duty Connectors for Demanding Industrial Environments

QITAI heavy duty connectors provide rugged, reliable power and signal connections for machinery, energy systems, rail, and automation equipment. Our range includes HA/HD/HE/HEE/HSB/HQ/HK/HF/HM series inserts in screw, crimp, and cage clamp versions, matched with H3A to H48B metal and plastic hoods and housings.

Built to IP65/IP67 ingress protection, these connectors withstand dust, water, and vibration in the harshest factory conditions. Complete accessory range covers crimp contacts, coding pins, and DIN rail brackets for fast panel assembly.

With 360 configurations in stock, QITAI delivers factory-direct quality with 12-month warranty. Free samples and engineering support available for your next machine build.