Portuguese translation: conector para serviços pesados
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neste "link" encontra uma possível definição desse conector:
Heavy-duty connectors are used wherever there is a need for a secure, simple and time-saving assembly of machinery and facilities. The connector housings are made of die-cast aluminum and offer excellent protection against dirt, moisture and mechanical stress. Special modular connectors make it possible to integrate signals, power supply, pneumatics, and data connections into a single connector. http://www.weidmuller.com/us/products/connectivity/heavy-dut...