CIR-M12-8P-STR
M12 8-pin straight connector with IP67 rating for industrial applications Ideal for industrial and consumer applications with excellent performance and reliability.
Product Overview
Description
The CIR-M12-8P-STR is an industry-standard M12 circular connector designed for industrial automation applications.
This 8-pin configuration supports industrial Ethernet (Profinet, EtherCAT) and high-density sensor connections.
The IP67 rating ensures reliable operation in harsh environments with dust and water exposure.
Product Series
CIR
Primary Application
Industrial Ethernet networks
Key Features
- Industry standard M12 interface
- 8-pin configuration for Ethernet/sensors
- IP67 environmental protection
- Nickel-plated brass housing
- 360° EMI shielding
- A-coded for sensors/actuators
Specifications
| Size | M12 |
|---|---|
| Pin Count | 8 |
| Current Rating | 2A per contact |
| Voltage Rating | 60V AC |
| Protection Rating | IP67 |
| Housing Material | Nickel-plated brass |
| Termination | Solder |
| Cable Range | 4-6mm diameter |
Applications
Industrial Ethernet networks
Industrial automation and control
Sensor connections
Sensor signal conditioning
Actuator control
Industrial automation and control
Machine vision systems
Electronic system design
FAE Expert Insights
"The CIR-M12 series is essential for modern industrial automation. The 8-pin version is perfect for industrial Ethernet applications - I've used these extensively in Profinet and EtherCAT installations. The IP67 rating holds up well in harsh factory environments. The metal housing provides excellent EMI shielding for reliable data transmission. Always verify the coding (A-code for sensors, D-code for Ethernet) to ensure compatibility. For vibration-prone locations, use the version with locking threads."
Industry-standard connector for industrial Ethernet and automation
— James Wilson, BeiLuo
Frequently Asked Questions
What is the difference between A-coded and D-coded M12 connectors?
A-coded M12 connectors are the standard coding used for sensors, actuators, and DC power. They have the standard pin arrangement and are the most common type. D-coded M12 connectors are specifically designed for industrial Ethernet (100 Mbps) with a different pin arrangement optimized for data transmission. The coding is indicated by the keying position on the connector - A-code has one key, D-code has a different key position. Never force connectors with different codings together as this will damage the contacts.
Use A-code for sensors/power. Use D-code for industrial Ethernet.
What cable diameter is compatible with CIR-M12-8P-STR?
The CIR-M12-8P-STR accepts cables with outer diameter of 4-6mm. This range accommodates standard industrial Ethernet and sensor cables. For cables outside this range, use an adapter or select a different cable gland size. The cable gland is made of TPE material and provides strain relief and environmental sealing. When assembling, ensure the cable jacket is clean and undamaged for proper sealing. For armored cables, the maximum diameter may be reduced.
Use 4-6mm OD cables. Verify cable jacket condition before assembly.
Is CIR-M12-8P-STR suitable for Profibus applications?
The CIR-M12-8P-STR with 8 pins is designed for industrial Ethernet (Profinet, EtherCAT) and is not compatible with Profibus. For Profibus applications, use the CIR-M12-5P-STR (B-coded) which is specifically designed for Profibus PA and DP. The B-code has a different keying to prevent mis-mating with other M12 connectors. Profibus uses a specific pin assignment that differs from standard sensor wiring, so using the correct B-coded connector is essential.
Use 8-pin A-code for Ethernet. Use 5-pin B-code for Profibus.
What is the torque specification for CIR-M12-8P-STR?
The recommended mating torque for CIR-M12-8P-STR is 0.4-0.6 Nm (3.5-5.3 in-lbs). Use a torque wrench with appropriate adapter for proper tightening. Over-tightening can damage the threads or compromise the seal. Under-tightening may result in IP rating failure. The connector should be hand-tight plus approximately 1/4 turn with a wrench. For frequent mating applications, apply a light coating of silicone grease to the threads to prevent galling.
Tighten to 0.4-0.6 Nm. Hand-tight plus 1/4 turn.
Can CIR-M12-8P-STR be used in food and beverage applications?
The standard CIR-M12-8P-STR is suitable for general industrial use but is not specifically designed for food and beverage applications. For food and beverage use, select the CIR-M12-8P-STR-FB version with FDA-compliant materials, smooth surfaces for easy cleaning, and enhanced chemical resistance to cleaning agents. The FB version also features blue coloring for easy visual identification in food processing areas. Both versions maintain IP67 protection.
Use standard for general industrial. Use FB version for food and beverage.