Circular M8/M12 Connectors
ERNI’s M8/M12 circular connector series are for sensors, remote I/O, and many devices essential to the modern connected world and IoT
ERNI’s circular M8 and M12 connector series are easy to implement, and they adhere to IEC 61076-2. The M12 connectors are suitable for almost all field bus specifications and are available in various codings. They are compatible with conventional soldering processes, achieving significant cost savings in equipment manufacture. The connectors offer protection from penetrating water and dust. A large selection of accessories, such as protective caps and O-ring seals, are available. ERNI supplements the comprehensive product range of M8 and M12 connectors with application and customized solutions. A high degree of cost efficiency is guaranteed with the option of automatic machine processing and solder processes.
- Right-angled M12 is for sensor pipe
- Codings A, B, D, and X
- Two-part solution with mounting options SMT (surface mount technology) and THR (through-hole reflow) with separate locking nut
- Applications options increase due to various extensions of cable assemblies, quick termination types, t-coupler, adapters, O-rings, threaded shells, and protective caps
- Stamped or machined female contacts
- SMT creates space savings as assembly height of ERNI circular connectors is lower than competition connectors
- SMT also enables cost savings at assembly
- Different PCB thicknesses include 1.0 mm, 1.6 mm, 2.0 mm, and more
- Tape and reel packaging for automated assembly
- Sensors
- I/O box/controllers and directional control valves
- Indicators for machinery, equipment
- LED controllers
- DC/DC converters
- Central electric unit relay boards
- Noise analyzers
- Wireless microphones
- Bar code reader interfaces
- Directional control valves
Circular Connectors
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | 224151-E | CONN FMALE INSERT 4P SLDR EYELET | 269 - Immediate | $7.42 | View Details |
![]() | ![]() | 194781-E | CONN FMALE INSERT 5P SLDR EYELET | 0 - Immediate | $5.46 | View Details |
![]() | ![]() | 454949-E | CONN FMALE INSERT 4P SLDR EYELET | 795 - Immediate | $5.41 | View Details |
![]() | ![]() | 254310-E | CONN FMALE INSERT 8P SLDR EYELET | 0 - Immediate | $6.24 | View Details |
![]() | ![]() | 454950-E | CONN FMALE INSERT 5P SLDR EYELET | 0 - Immediate | $6.11 | View Details |
![]() | ![]() | 234041-E | CONN FMALE INSERT 4P SLDR EYELET | 1595 - Immediate | $4.48 | View Details |
![]() | ![]() | 225456-E | CONN MALE INSERT 5POS GOLD SLDR | 540 - Immediate | $11.05 | View Details |
![]() | ![]() | 394811-E | CONN FMALE INSERT 8POS SOLDER | 0 - Immediate | $10.90 | View Details |
![]() | ![]() | 354132-E | CONN MALE INSERT 5POS GOLD SLDR | 100 - Immediate | $8.41 | View Details |
![]() | ![]() | 225457-E | CONN FMALE INSERT 5P GOLD SOLDER | 355 - Immediate | $11.32 | View Details |
![]() | ![]() | 234040-E | CONN FMALE INSERT 4P SLDR EYELET | 126 - Immediate | $5.97 | View Details |
![]() | ![]() | 284322-E | CONN FMALE INSERT 4P SLDR EYELET | 58 - Immediate | $6.73 | View Details |
![]() | ![]() | 254317-E | CONN MALE INSERT 8P SLDR EYELET | 0 - Immediate | $9.59 | View Details |
![]() | ![]() | 224064-E | CONN FMALE INSERT 5P SLDR EYELET | 0 - Immediate | $5.86 | View Details |
![]() | ![]() | 234234-E | CONN FMALE INSERT 4P SLDR EYELET | 0 - Immediate | $3.90 | View Details |
Accessories
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | 284067-E | M8 F METAL SHELL 13MM | 0 - Immediate | $7.09 | View Details |
![]() | ![]() | 225362-E | M12 RA LOCKING NUT | 26 - Immediate | $18.55 | View Details |
![]() | ![]() | 225361-E | M12 RA LOCKING SHELL | 491 - Immediate | $9.16 | View Details |
![]() | ![]() | 254737-E | M12 M METAL SHELL | 585 - Immediate | $8.06 | View Details |
![]() | ![]() | 394828-E | M12 F METAL SHELL 9MM | 0 - Immediate | $10.87 | View Details |
![]() | ![]() | 394847-E | M12 F METAL SHELL 13MM | 1595 - Immediate | $6.81 | View Details |
![]() | ![]() | 835284-E | M12 O-RING FOR CONNECTORS 7X1 | 7020 - Immediate | $1.02 | View Details |
![]() | ![]() | 834899-E | M12 O-RING FOR METAL SHELL 14X1 | 0 - Immediate | See Page for Pricing | View Details |




















