2026年6月9日
What is a standard M12 circular connector?
You’ve probably searched “standard M12 connector” expecting a simple answer. But if you’ve ever received the wrong cable...
Detailed Product Information
Technical Data & Reference
Structured parameters, material notes, application context and frequently asked questions for engineering and procurement evaluation.
Competitor & Cross-Reference
- Alternative Type
- Intermateable With
- Competitor Part Number
- Phoenix Contact SACC-M12FR Series / Binder 713 & 813 Series / TE Connectivity T4112 Series / Murrelektronik 7000-12421 (Standard IEC 61076-2-101 / 2-111 Right-Angle Field-Wireable Female Sockets)
- Mates With
- Standard M12x1 Male Plugs, Panel-Mount Male Receptacles, and Overmolded Male Cordsets with matching Coding (A, B, D, K, L, M, S, or T Code) compliant with IEC 61076-2-101 / IEC 61076-2-111
Intermateable: This part is mechanically and electrically compatible for mating with the listed competitor connector. Mixed use in the same connector system is supported.
Technical Specifications
- Connector Type
- M12 Right-Angle Female Socket (Plastic Field Installation)
- Coding & Number of Positions
- A-Code (4, 5, 8 Pin); B-Code (5 Pin); D-Code (4 Pin); K-Code (5 Pin); L-Code (5 Pin); M-Code (6 Pin); S-Code (4 Pin); T-Code (4 Pin)
- Termination Style
- Field-Wireable Screw Termination
- Mounting / Orientation
- Free-Hanging / In-Line Cable Mount, Right-Angle (90°)
- Key Dimensions
- Overall Length: 38.5mm (Ref.) / 34mm; Right-Angle Height: 39mm (Ref.); Front Thread: M12x1 (Ø17.5mm / Ø20mm Max.); Wrench Flats: SW13, SW16
- Contact Pin Size
- Ø0.8mm (A-Code 8-Pin); Ø1.0mm (A-Code 4/5-Pin, B-Code, D-Code, M-Code); Ø1.5mm (K-Code, L-Code, S-Code, T-Code)
- Applicable Cable Outer Diameter (OD)
- 4–6mm / 6–8mm (A, B, D Code); 8–10mm (K, L, M, S, T Code)
- Mating Durability
- ≥ 500 Mating Cycles
- Ingress Protection Rating
- IP67 (In correct locking state)
- Standard Compliance
- IEC 61076-2-101 (A/B/D-Code), IEC 61076-2-111 (K/L/M/S/T-Code), RoHS Compliant
- Packaging Method & Quantity
- Bulk / Industrial Bag Packaging (Specific PCS/Bag or PCS/Carton not specified in drawing)
Material Composition
| Material | Value / Description |
|---|---|
| Shell Housing & Pressing Nut | Nylon 66, Black |
| Connect Nut & Insulation Insert | Nylon 66, Black |
| M12 Metal Coupling Thread | Copper Alloy, Nickel Plated |
| Female Contact | Copper Alloy, Gold Plated |
| Contact Insulation Sleeve | Thermoplastic Polyurethane (TPU), Black |
| Termination Screw | Stainless Iron |
| O-Rings & Cable Seal | Nitrile Butadiene Rubber (NBR), Black |
| Internal Cable Clamp | Nylon 66, White |
Technical Characteristics
| Characteristic | Value |
|---|---|
| Rated Current | 2A (8-Pin A-Code); 4A (4/5-Pin A/B/D-Code); 8A [OCR reads BA, please verify] (6-Pin M-Code); 12A (K/S/T-Code); 16A (5-Pin L-Code) |
| Rated Voltage | 30V DC (8-Pin A-Code); 60V DC (5-Pin A/B-Code); 63V DC (L/T-Code); 250V DC (4-Pin A/D-Code); 630V DC (K/M/S-Code) |
| Operating Temperature Range | -40°C to +80°C |
| General Linear & Angular Tolerances | 0–10mm: ±0.15mm; 10–50mm: ±0.25mm; 50–100mm: ±0.50mm; Angles: ±3° |
Application Scenarios
-
Industrial Ethernet & Profinet Networks: On-site termination of 4-Pin D-Code Cat5e/Cat6a industrial patch cables connecting PLCs, managed switches, and remote I/O modules.
-
Factory Automation & Sensor Actuators: Field wiring of 4-Pin and 5-Pin A-Code photoelectric sensors, proximity switches, and multi-pin rotary encoders (8-Pin) in tight machine enclosures requiring 90-degree cable routing.
-
Fieldbus & Profibus Systems: Custom-length cable assembly using 5-Pin B-Code sockets for automated conveyor lines and distributed process control nodes.
-
High-Power Industrial Drives & Servo Motors: AC and DC power distribution utilizing K, L, M, S, and T-Code interfaces (up to 16A / 630V) for compact motor drives, decentralized frequency inverters, and heavy machinery.
-
Harsh Environment & Washdown Equipment: IP67-sealed interconnect deployments in packaging machinery, automated material handling, and outdoor mobile equipment exposed to dust, oil, and moisture.
Frequently Asked Questions
How does the right-angle field-wireable screw termination simplify on-site M12 cable assembly?
The 90-degree right-angle Nylon 66 body features an unshielded internal screw-clamp terminal block that accepts stripped conductors directly using a standard screwdriver, eliminating specialized crimping or soldering tools. With a compact 38.5mm horizontal footprint and 39mm vertical clearance, it enables clean right-angle cable routing in space-constrained control cabinets and machinery walls while maintaining IP67 environmental protection.
What cable outer diameters (OD) and pin sizes are compatible with each M12 coding configuration?
Cable jacket compatibility and contact diameters scale directly with the selected IEC standard coding: A-Code (4/5/8-Pin), B-Code (5-Pin), and D-Code (4-Pin) variants conform to IEC 61076-2-101 and support 4–6mm or 6–8mm cable ODs with 0.8mm or 1.0mm contacts. High-power K, L, M, S, and T-Code variants conform to IEC 61076-2-111, utilize larger 1.0mm to 1.5mm contacts, and accommodate heavy-gauge cables with an 8–10mm outer diameter.
What materials ensure electrical conductivity and IP67 environmental sealing in harsh industrial environments?
Electrical integrity is maintained through precision-machined copper alloy contacts plated with gold to prevent oxidation and fretting corrosion across ≥500 mating cycles. Mechanical and environmental sealing relies on a nickel-plated copper alloy M12x1 locking thread, a durable black Nylon 66 outer shell, a white Nylon 66 strain-relief cable clamp, and triple black NBR elastomer seals that block moisture and dust ingress from -40°C to +80°C.
What are the rated current and voltage capacities across signal and power M12 codings?
Signal and data configurations are rated at 2A / 30V DC for 8-Pin A-Code, 4A / 60V DC for 5-Pin A-Code and B-Code, and 4A / 250V DC for 4-Pin A-Code and D-Code. Power-dedicated configurations support higher loads under IEC 61076-2-111: 8A / 630V DC for 6-Pin M-Code, 12A / 63V DC for 4-Pin T-Code, 12A / 630V DC for 5-Pin K-Code and 4-Pin S-Code, and up to 16A / 63V DC for 5-Pin L-Code field installations.
Overview and Application Notes
The M12 Right-Angle Female Field-Wireable Connector is a rugged plastic circular socket engineered for on-site industrial cable assembly and rapid field maintenance. Featuring a 90-degree angled nylon housing and reliable screw termination, this field-installable receptacle eliminates the need for specialized crimping tools while accommodating cable outer diameters from 4mm to 10mm. Available across multiple polarization codings—including A-Code, B-Code, D-Code (4-Pin for Industrial Ethernet), and high-power K/L/M/S/T-Code variants—it delivers IP67-rated environmental sealing in the locked state for harsh factory automation and sensor networks.
Key Features
- Multi-Coding Versatility: Configurable in A-Code (4/5/8-Pin), B-Code (5-Pin), D-Code (4-Pin), K-Code (5-Pin), L-Code (5-Pin), M-Code (6-Pin), S-Code (4-Pin), and T-Code (4-Pin) to support diverse signal, Profibus, Profinet, and AC/DC power architectures.
- Tool-Free Field Screw Termination: Integrated stainless iron screw terminals allow fast, secure wire clamping on-site without soldering or complex crimping presses.
- Superior Materials & Metallurgy: Built with a black Nylon 66 housing, nickel-plated copper alloy M12x1 locking thread, gold-plated copper alloy contacts, and triple NBR sealing rings (O-rings and cable seal).
- High Electrical & Power Capacity: Supports rated currents from 2A/4A (signal/data) up to 16A (L-Code power) and rated voltages from 30V DC up to 630V AC/DC depending on coding configuration.
- Industrial-Grade Environmental Reliability: Achieves IP67 ingress protection when properly mated, operates reliably across -40°C to +80°C, and endures a minimum of 500 mating cycles.
Engineering Specifications & Field Assembly Guidance
Designed in full compliance with IEC 61076-2-101 and IEC 61076-2-111 standards, this right-angle M12 socket features a compact 38.5mm (Ref.) body length and a 39mm (Ref.) right-angle height profile with an M12x1 threaded coupling interface. For optimal IP67 strain relief and moisture sealing during field installation, engineers must select the matching cable gland specification corresponding to their jacket diameter: 4–6mm or 6–8mm for A/B/D-Code signal variants, and 8–10mm for K/L/M/S/T-Code power variants. Tighten the SW13 and SW16 hex nut interfaces to recommended torque specifications to compress the internal NBR cable seal and white Nylon 66 cable clamp evenly around the cable jacket.
