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- B - Indoor keyed
- ECG.3B.312.NLL
Electrical Configuration
- Number of contacts Low Voltage
- 12
- Contact Termination Low voltage
- Solder
- R (max)
- 4.8 mOhm
- Insert configuration value
- 3B.312 - 12 Low Voltage
- Insulator
- L: PEEK (UL 94 / V-0/1.5)
- Rated current
- 9 A
- Vtest (contact-contact)
- 2 kV (DC)
- Vtest (contact-shell)
- 1.4 kV (DC)
- Max. Solid Conductor
- 0.34 mm^2 (AWG 22)
- Max. Stranded Conductor
- 0.34 mm^2 (AWG 22)
- Bucket Dia.
- 0.8 mm (0.031in)
- Contact Dia.
- 0.9 mm (0.035in)
- Wire Size/AWG
- 30 - 22
- Gender
- Standard
Form & Material
- Shell style / Model id
- EC - Fixed receptacle with two nuts (back panel mounting)
- Socket / Receptacle
- Fixed Panel Rear Mounted
- Housing material
- Brass (nickel plated [SAE AMS QQ N 290]) shell, collet nut, latch sleeve and mid pieces
- Locking system
- Push-pull
- Keying
- G: 1 key (alpha=0, plug: male contacts, receptacle: female contacts)
- Colour
- Grey
- Weight
- 29.78 g
Environment
- Technical domain
- Audio Video, Energy and Industrial, Medical, Semiconductor, Specialties and Other, Test and Measurement, Transportation, Aerospace and UAV
- Environmental sealing (IP rating)
- IP50
- Endurance
- 5000 mating cycles
- Temperature range
- -55°C / +250°C
- Climatical Category
- 50/175/21
- Humidity (max)
- <=95% [at 60 deg C /140 F]
- Shielding (min)
- 75 dB (10 MHz)
- Shielding (min)
- 40 dB (1 GHz)
- Shock Resistance
- 100 g [ 6 ms]
- Vibration
- 15 g [10 Hz - 2000 Hz]
- Salt Spray Corrosion
- >144 hr
Cable fixation
- Jacket cable outside diameter [mm]
- 2.00 - 16.60 mm
Technical plans



Dimensions
B | A | E | L | M | N | S1 | S3 | e | |
---|---|---|---|---|---|---|---|---|---|
mm. | 25 | 24 | 9 | 30.7 | 4.5 | 28.1 | 16.5 | 22 | M18x1.0 |
in. | 0.98 | 0.94 | 0.35 | 1.21 | 0.18 | 1.11 | 0.65 | 0.87 |
B - Indoor keyed

Main Features
- Push-Pull self latching system
- 8 sizes
- up to 64 contacts
- Multi-Keying system
- Indoor/protected environments (IP50)
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