Image for illustrative purpose only
Number of contacts Low Voltage
40
Gender
Standard
Socket / Receptacle
Socket / Receptacle - Fixed Panel Front Mounted
Locking system
Ratchet
Size
TM

Electrical Configuration

Number of contacts Low Voltage
40
Contact Termination Low voltage
PCB - Straight
R (max)
6.1 mOhm
Insert configuration value
TM.340 - 40 Low Voltage
Insulator
L: PEEK
Rated current
3 A
Test voltage (kV rms) Contact-contact
1.05
Test voltage (kV rms) Contact-shell
1.20
Contact Dia.
0.7 mm (0.028in)
Gender
Standard

Form & Material

Shell style / Model id
EC - Fixed receptacle with two nuts, for printed circuit
Socket / Receptacle
Fixed Panel Front Mounted
Housing material
Aluminium (nickel plated [SAE AMS QQ N 290], anthracite color) shell and nut, other pieces bronze/brass
Locking system
Ratchet
Keying
W: 5 keys (alpha=95, beta=115, gamma=35, delta=25, plug: male contacts, receptacle: female contacts)
Colour
Grey
Weight
18.14 g

Environment

Technical domain
Motorsport, Security and Defence, Transportation, Aerospace and UAV
Environmental sealing (IP rating)
IP50
Endurance
3000 mating cycles
Temperature range
-20°C / +200°C (max. temperature valid for short periods of use.)
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

Technical plans

https://web.lemo.com/img/Illustrations/m/types/TM_340_f.gif
https://web.lemo.com/img/Illustrations/m/models/ECN_xln.gif
https://web.lemo.com/img/Illustrations/m/keys/w.gif

Dimensions

A B C E e G Ls Lr P S1 S2 S3
mm. 27 12.3 28 2.5 M22x1.00 18.9 20 21.9 7.9 20.5 23 25
in. 1.06 0.48 1.1 0.1 0.74 0.79 0.86 0.31 0.81 0.91 0.98
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
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