B - Indoor keyed

LEMO original Push-Pull solution for protected environments
B - Indoor keyed
Push-Pull self latching system
8 sizes
up to 64 contacts
Multi-Keying system
Indoor/protected environments (IP50)
Main Features
Push-Pull self latching system
8 sizes
up to 64 contacts
Multi-Keying system
Indoor/protected environments (IP50)
Reliable High quality and performance interconnect solutions
Modular and custom made complete solutions
Worldwide presence with local experts, stock management and cable assembly everywhere

Form & Material

Environment
Broad metallic high quality circular connector range for indoor/protected environments (IP50)
Latching system
Push-Pull latching system enabling simple/quick yet safe and reliable frequent connect and disconnect
Keying system
Keying system allowing for a high contact density, with multiple key options to prevent mismating
Construction
Field proven solid & compact construction
Ergonomy
Ergonomic design thanks to patented chocolate pattern
Size and model
Various sizes and models including elbow plugs, miniature models, watertight and vaccumtight receptacles

Electrical configurations

Insert configurations
Large selection of insert configurations including high-density low voltage, high power voltage, high-speed coaxial, fibre optic, fluidic and thermocouple contacts as well as hybrid solutions
Screening
360° screening for full EMC shielding
icon pdf
- Unipole Multipole General Catalog -
icon pdf
Solutions Selection Guide
icon pdf
Product brief - High-speed data transfer
icon pdf
Product brief - USB 3.1
icon pdf
75u03a9/3GHz coaxial contact
Other documents
Suitable applications
Audio Video
audio video
Energy & Industrial
energy industrial
Medical
medical
Semiconductor
semiconductor
Specialities & Other
specialities other
Test & Measurement
test-measurement visuel
Transportation, Aerospace & UAV
transportation aerospace UAV
ORIGINALS
Use the table to compare the 5 main series within the “ORIGINALS” connector family and to identify the connector(s) best adapted to your specific requirements.
B - Indoor keyed

B - Indoor keyed

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K - Outdoor keyed

K - Outdoor keyed

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T - Small Outdoor keyed

T - Small Outdoor keyed

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S - Indoor Stepped Insert

S - Indoor Stepped Insert

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E - Outdoor Stepped Insert

E - Outdoor Stepped Insert

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Description Description LEMO original Push-Pull solution for protected environments Description LEMO original Push-Pull solution for outdoor environments Description LEMO original miniature Push-Pull solution for outdoor environements Description LEMO original Push-Pull solution with unmatched mating ergonomy Description LEMO original Push-Pull solution for outdoor environments with unmatched mating ergonomy
Locking Locking Push-Pull Locking Push-Pull Locking Push-Pull Locking Push-Pull Locking Push-Pull
Size Size 8 sizes from ø 6.4 to ø 35.0 mm (plugs) Size 6 sizes from ø 11.0 to ø 38.0 mm (plugs) Size 5 sizes from ø 7.0 to ø 18.8 mm (plugs) Size 8 sizes from ø 6.4 to ø 46.0 mm (plugs) Size 7 sizes from ø 11.0 to ø 47.0 mm (plugs)
Keying Keying 13 keyway options Keying 9 keyway options Keying 5 keyway options Keying 1 (stepped inserts) Keying 1 (stepped inserts)
Shell Types Shell Types Over 60 shell styles​ Shell Types Over 28 shell styles​ Shell Types Over 14 shell styles Shell Types Over 50 shell styles​ Shell Types Over 22 shell styles​
Shell Material Shell Material Brass Shell Material Brass Shell Material Brass Shell Material Brass Shell Material Brass
Plating Plating Chrome Plating Chrome Plating Chrome Plating Chrome Plating Chrome
Cable Diameter Cable Diameter 1.4 to 25 mm Cable Diameter 1.0 to 23.5 mm Cable Diameter 2.4 to 15 mm Cable Diameter 1.3 to 30 mm Cable Diameter 1.0 to 30 mm
NB of contact NB of contact 2 to 64 NB of contact 2 to 64 NB of contact 2 to 32 NB of contact 1 to 106 NB of contact 1 to 106
AWG AWG 8 to 32 AWG 8 to 32 AWG 12 to 32 AWG 0 to 32 AWG 0 to 32
Contact types Contact types Multipole • Coax • Fibre Optic • Fluidic High Voltage • Mixed • Thermocouple Contact types Multipole • Coax • Fibre Optic • Fluidic High Voltage • Mixed • Thermocouple Contact types Multipole • Coax • Fibre Optic • Fluidic High Voltage • Mixed • Thermocouple Contact types Unipole • Multipole • Coax • Fibre Optic • Fluidic • Mixed • Thermocouple Contact types Unipole • Multipole • Coax • Fibre Optic Fluidic • Mixed • Thermocouple
Contact Termination Contact Termination Solder / Crimp / Print (PCB) Contact Termination Solder / Crimp / Print (PCB) Contact Termination Solder / Crimp / Print (PCB) Contact Termination Solder / Crimp / Print (PCB) Contact Termination Solder / Crimp / Print (PCB)
Data Protocols Data Protocols USB 2.0 / USB 3.1 / Eth Cat6a Data Protocols USB 2.0 / USB 3.1 / Eth Cat6a Data Protocols USB 2.0 / USB 3.1 / Eth Cat6a Data Protocols - Data Protocols -
Sealing Level Sealing Level IP50 / hermetic sockets Sealing Level IP68 / hermetic sockets Sealing Level IP68 / hermetic sockets Sealing Level IP50 / hermetic sockets Sealing Level IP68 / hermetic sockets
Temperature Range Temperature Range -55°C to 250°C Temperature Range -55°C to 200°C Temperature Range -55°C to 200°C Temperature Range -55°C to 250°C Temperature Range -55°C to 200°C
Mating Cycles Mating Cycles > 5000 Mating Cycles > 5000 Mating Cycles > 3000 Mating Cycles > 5000 Mating Cycles > 5000
B - Indoor keyed

The B series is LEMO’s iconic, modular range of connectors for test and measurement, instrumentation, medical devices, research, and audio/video applications which require quick and secure Push-Pull latching for use indoors and in protected environments (IP50).   The B Series comprises a large selection of sizes and models and a wide assortment of insert configurations, including high-density low voltage and hybrid configurations with fluidic, coaxial, fibre optic, high voltage and thermocouple contacts.

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