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M12 A-Coded 12-Pin Male Field Wirable Connector | IP67 Straight Screw Termination 1.5A 30V | IEC 61076-2-101
The M12 A-Coded 12-Pin Male Field Wirable Assembly, Straight is a high-density industrial circular connector engineered for multi-signal applications requiring up to 12 independent circuits in a single compact connector. Built to IEC 61076-101, this connector combines dense 12-pin capacity with full IP67 environmental protection, making it ideal for sensor arrays, signal distribution panels, and complex automation wiring where space and reliability are critical.
The zinc alloy housing with nickel plating provides superior corrosion resistance for harsh industrial and outdoor environments. Gold-plated copper alloy contacts ensure low contact resistance (≤5mΩ) and stable signal integrity across 100+ mating cycles. The screw-type termination allows fast, tool-free field wiring with no crimping equipment required, and the FPM/FKM sealing system maintains IP67 protection from -25°C to +85°C.
Key Features
IP67 Environmental Protection – Fully dust-tight and waterproof, withstands immersion in 1 meter of water for 30 minutes. FPM/FKM elastomer seals resist oil, coolant, and chemical exposure.
12-Pin High-Density Configuration – Twelve independent circuits in a single M12 connector footprint. Ideal for multi-sensor nodes and dense I/O applications.
Gold-Plated Contacts – Copper alloy contacts with gold plating deliver ≤5mΩ contact resistance, preventing signal degradation.
Field-Wirable – No Tools Required – Screw termination accepts 4–8mm cable diameter. Complete wiring on-site in under 10 minutes.
Technical Specifications
Parameter
Specification
Applicable Standard
IEC 61076-2-101
Connector Type
M12 A-Coded Male, Field Wirable, Straight
Pin Count
12
Thread Size
M21*1
Overall Length
~62 mm
Outer Diameter
~20 mm
Housing Material
Zinc Alloy, Nickel-Plated
Connector Thread Material
Alloy / Brass, Nickel-Plated
Contact Material
Gold-Plated Copper Alloy
Contact Carrier Material
PA (Polyamide), Black
Sealing Material
FPM / FKM (Fluoroelastomer)
Rated Current
1.5A
Rated Voltage
30V
Insulation Resistance
≥ 100 MΩ
Contact Resistance
≤ 5 mΩ
Pollution Degree
3
Operating Temperature
-25°C to +85°C
Mechanical Life
> 100 Mating Cycles
IP Rating
IP67
Coding
A-Coded
Termination Type
Screw Connection
Cable Exit Diameter
4–8 mm
Dimensions
Thread Standard: M21*1
Overall Length: ~62 mm
Outer Diameter: ~20 mm
Cable Exit: 4–8 mm
Orientation: Straight (0°)
Mating Compatibility: All M12 A-Coded 12-Pin Female Connectors
Pin Layout (12-Pin)
The 12-pin configuration arranges contacts in a single circle inside the M12 housing. Pin assignment follows IEC 61076-2-101 A-Coded standard.
12 pins evenly distributed in a circular pattern
Standard A-Coded keyway positioning
Compatible with any M12 A-Coded 12-pin female receptacle or cable connector from all major manufacturers
Applications
The 12-pin M12 connector is specifically suited for applications that require multiple signal channels in a compact footprint:
Multi-Sensor Junctions: Aggregating signals from multiple sensors at a single connection point
Dense I/O Distribution: Connecting high-channel-count sensor arrays in process automation
Signal Distribution Panels: Multi-circuit breakout points for control signals
Robotics & Motion Systems: Feedback wiring for multi-axis motor controllers and servo drives
Conveyor Systems: Centralized sensor wiring for measurement and detection
HVAC & Building Automation: Multi-zone thermostat and damper control connections
Agricultural Machinery: Sensor arrays for soil moisture, temperature, and GPS guidance
Water & Wastewater Treatment: IP67-rated connections for multi-channel sensors in wet environments
Installation Guide
Prepare the cable: Strip the outer jacket to expose 12 individual conductors. Ensure total cable diameter is between 4mm and 8mm.
Thread the components: Pass the cable through the coupling nut, cable gland insert, and FPM sealing ring in correct order.
Terminate the wires: Insert each conductor into its designated pin terminal. Tighten each screw securely without overtightening.
Assemble the housing: Slide the connector housing over the terminated contacts, aligning the A-Coded keyway notch.
Seal and tighten: Thread the coupling nut onto the M21*1 housing thread. Tighten until the FPM seal compresses uniformly.
Verify: Check all 12 pins are seated, housing is fully threaded, and cable cannot be pulled out. Test continuity before commissioning.
Frequently Asked Questions
Q1: What is the rated current and voltage for the 12-pin M12 connector?
The 12-pin M12 A-Coded connector is rated at 1.5A per pin at 30V AC/DC. The reduced ratings compared to lower pin counts are due to smaller contact size and tighter pin spacing required to fit 12 pins within the M12 housing.
Q2: Is the 12-pin M12 connector compatible with 8-pin or 5-pin female connectors?
No. The 12-pin M12 A-Coded connector only mates with 12-pin A-Coded female connectors. M12 connectors with different pin counts have different keyway positions and are physically incompatible.
Q3: Can this 12-pin connector carry digital signals like IO-Link?
Yes. The 12-pin M12 A-Coded connector supports digital signal transmission including IO-Link, PROFINET, and other industrial communication protocols at signal level. For high-speed data protocols like Ethernet, consider using D-Coded or X-Coded M12 connectors.
Q4: What is the difference between 12-pin A-Coded and 12-pin X-Coded?
A-Coded connectors are designed for sensor/actuator signal wiring at low voltage (30V, 1.5A). X-Coded connectors are designed for high-speed data transmission (up to 10 Gbps) and are not interchangeable with A-Coded.
Q5: How do I verify IP67 sealing after field installation?
Ensure: (1) the FPM/FKM sealing ring is seated evenly with no gaps; (2) the coupling nut is hand-tightened until cable cannot move; (3) housing thread is fully engaged. IP67 rating is only guaranteed when properly assembled and mated.
Q6: What cable diameter range is supported?
The cable gland accepts cables with an outer diameter of 4mm to 8mm. Cables outside this range will not seal properly. Consider using a different gland size or adapter for cables outside this range.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2021
Total Annual:
5000000-6000000
Employee Number:
80~120
Ecer Certification：
Verified Supplier
KRONZ is a manufacturing enterprise located in Zengcheng District, Guangzhou City. We focus on providing customers with high-efficiency industrial automation solutions and related industrial products. After many years of innovation and development, Kronz has complete product processing equi...
KRONZ is a manufacturing enterprise located in Zengcheng District, Guangzhou City. We focus on providing customers with high-efficiency industrial automation solutions and related industrial products. After many years of innovation and development, Kronz has complete product processing equi...
Floor 7, Building 12B, Hanhe Robot Intelligent Manufacturing Base Exhibition Center, Xiangshan Avenue, Zengcheng Economic Development Zone, Guangzhou, Guangdong Province, China
