M Series Rugged Ratchet Coupling Connector

Description

LEMO M Series OPTIMA rugged ratchet-coupling circular connectors for extreme-environment military, aerospace, and industrial applications. Ratchet coupling provides audible and tactile click confirmation of full mating — no thread engagement required. IP68. Stainless steel or aluminium alloy shell. 2–55 contacts, sizes 1M–4M. -65°C to +200°C. High vibration and shock resistance. Used in combat vehicles, aircraft, shipboard systems, and industrial machinery in harsh environments where positive mating confirmation is essential.

Technical Specifications

Pin/Contact Count

2 to 55

Rated Voltage

750V

IP Rating

IP68

Temperature Range

-65 to +200°C

Shell Material

Stainless Steel / Aluminium Alloy

Mating Cycles

5,000 cycles

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