Image for illustrative purpose only
Number of contacts Low Voltage
4
Wire Size/AWG
32 - 28
Gender
Standard
Plug
Plug - Straight
Locking system
Ratchet
Jacket cable outside diameter [mm]
2.80 - 5.60 mm
Size
MM

Electrical Configuration

Contact Termination Low voltage
Crimp
R (max)
8.7 mOhm
Insert configuration value
MM.304 - 4 Low Voltage
Insulator
L: PEEK
Rated current
2 A
Contact retention
12 N
Contact Type
Crimp
Max. Conductor
0.09 mm^2 (AWG 28)
Min. Conductor
0.035 mm^2 (AWG 32)
Bucket Dia.
0.45 mm (0.018in)
Contact Dia.
0.5 mm (0.02in)
Number of contacts Low Voltage
4
Wire Size/AWG
32 - 28
Gender
Standard

Form & Material

Shell style / Model id
FM - Straight plug, key (N) or keys (P, R, S, T, U, V, W and X) with knurled grip
Plug
Straight
Housing material
Aluminium (nickel plated [SAE AMS QQ N 290], anthracite color) shell and nut, other pieces bronze/brass
Locking system
Ratchet
Keying
N: 3 keys (beta=165, gamma=30, plug: male contacts, receptacle: female contacts)
Colour
Grey
Weight
4.25 g

Environment

Technical domain
Motorsport, Security and Defence, Transportation, Aerospace and UAV
Environmental sealing (IP rating)
IP68
Endurance
3000 mating cycles
Temperature range
-55°C / +200°C
EMI Shielding EIA 364-66A
>= 80 dB (1 GHz), >=70 dB (3 GHz), >= 58 dB (6 GHz), >= 40 dB (10 GHz)
Gunfire vibration
25 Hz - 2000 Hz, 3 axis (Apache helicopter)
Humidity (max)
21 days at 95%
Lighting strike EIA 364-76
10K amps - 6 times
Shock Resistance
300 g [ 3 ms]
Thermal shock
5 cycles: -65°C to +150°C
Vibration-Random
37.8 g rms - 3 axes, 4 hr amb [50 Hz - 2000 Hz]
Vibration-Sine
30 g, 3 axes, 12 hr [10 Hz - 2000 Hz]
Salt Spray Corrosion
max. 48 hr

Cable fixation

Cable termination protection
Heatshrink
Fixation type
Cable collet
Jacket cable outside diameter [mm]
2.80 - 5.60 mm

Technical plans

https://web.lemo.com/img/Illustrations/m/types/mm_304_m.gif
https://web.lemo.com/img/Illustrations/m/models/fmn.gif
https://web.lemo.com/img/Illustrations/m/keys/n.gif

Dimensions

A B C D Ls Lr P X
mm. 11.1 6.4 10.7 5.6 21.3 21.3 5.5 5.8
in. 0.44 0.25 0.42 0.22 0.84 0.84 0.22 0.23
M - Rugged Ratchet coupling
M - Rugged Ratchet coupling
Harsh environments (IP68)
Ratchet coupling, strong resistance to shocks and vibrations
Stealth Anthracite coating
Light & compact construction
Robust Multi-Keying system with color coding
Main Features
Harsh environments (IP68)
Ratchet coupling, strong resistance to shocks and vibrations
Stealth Anthracite coating
Light & compact construction
Robust Multi-Keying system with color coding
Cable Assembly UK
Cable assembly service

Receive the same high quality cable assemblies that you've come to expect from LEMO Push-Pull connectors.

Discover
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