Modular heavy duty connectors are a modular connector line consisting of hoods & housings, inserts and contacts. A customizable solution ideally suited for harsh-environment industrial applications such as food and beverage or oil and gas processing. HDC systems provide almost unlimited connection options inside a heavy-duty industrial housing harsh environments where a robust design is necessary. Can be used for creating power and signal connections outdoors. The modular heavy duty connector offers 3 to 280 poles per connector, current ratings up to 250A per contact and voltage up to 1000V. The difference between the modular heavy duty connector and heavy duty connector is the modular type could be combined the male and female inserts randomly. It could be meet different requirements, much more convenient.