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May 21, 2023

12mm circular connectors are waterproof for tough Ethernet

CUI has introduced waterproof M12 sized circular connectors for 1Gbit Ethernet.

The CDM12 family offers male or female versions with a choice of 3, 4, 5, 8 or 12 pins.

The panel-mount A-coded connectors are IP67 rated once mated to deal with harsh industrial and factory automation environments. Operation is over -25 to 80°C.

PCB pin, solder terminal and wire lead terminations are available, and connectors come in front or rear-mounting types with a retaining nut. While the connector mating thread is always M12, there are three options for the chassis mount thread: M12 x 1.0, M16 x 1.5 or PG9.

The part numbers are of the form CDM12xx, where filling in the ‘xx’ selects the mounting and termination type.

Connection ratings depend on the number of contacts, and are: 30Vac (8 and 12pole), 60Vac (5pole) or 250Vac (3 and 4pole), and 1.5A (12pole), 2A (8pole) or 4A (3, 4, 5pole).

This link finds the CDM12xx connectors – there is no over-arching data sheet

Steve Bush
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