Connector with a twist
07 December 2009
The M Series connector is one of the lightest and most compact connectors of the Lemo range.
It is made of high-strength aluminium and incorporates a fast-locking ratchet mechanism, which enables quick and secure coupling of the connector for use in high vibration and harsh environments.
Smaller than the Mighty Mouse, with size 0M having a diameter of only 13mm, the M Series connector has two outer shell designs; arctic grip or knurled outer shell. The arctic grip makes it easy to manipulate while wearing gloves or when the connector is located in an area which is difficult to access, whilst the knurled grip option minimises the outer diameter of the plug for applications where size is critical.
With 114 contacts in a 34mm diameter shell, the short flange to pcb distance on pcb panel mount housings provides the opportunity for much smaller enclosure sizes in comparison to other miniature military connectors, potentially leading to significant savings in equipment weight and cost.
Designed for use in harsh environments, the M Series connectors have been tested to the MIL STD 810E gunfire test and are sealed when mated to IP68 (IEC 60529), providing complete protection when continuously submerged in water. The fluorosilicone seals are resistant to a wide range of chemicals, including hydrocarbons.
It is available with a range of shell options (from 13mm to 34mm diameter) and contact types and configurations, with multiple keys for ease of blind mating and three keyway options, one of which is reverse gender. Crimp contacts are offered as standard, except on potted panel mount connectors, with contact ratings up to 10A continuous on all contacts together. An optional special backend for over-moulding cable assembly is also offered. The M series can be identified with a laser engraved part number and production batch number to ensure full traceability from the raw materials to delivered product.
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