M12 4-Pin Connector
Manufacturer & Supplier
Dongguan NITAI Electronics -- a specialized factory producing M12 4-pin circular connectors since 2012. IP67/IP68 rated, CE & RoHS certified, supporting Male/Female, Straight/Angled, Cable/Panel mount configurations for industrial automation, sensors, and robotics.





Product Series
M12 4-Pin Connector Full Range
From cable-end plugs to panel-mount sockets, straight to right-angle, screw to crimp -- we manufacture the complete M12 4-pin connector ecosystem for your application.
M12 Power Type Straight Male Plastic Assembled Plug – Screw
M12 Power Type Angled Female Plastic Assembled Plug – Screw
M12 Power Type Angled Male Plastic Assembled Plug – Screw
M12 Power Type Straight Male Overmolded Plug
M12 Power Type Straight Female Overmolded Plug
M12 Power Type Angled Female Plastic Plug – Overmolded
M12 4-Pin Connector -- Technical Specifications
| Parameter | Value / Options |
|---|---|
| Series | M12 (IEC 61076-2-101) |
| Number of Pins | 4 Pins |
| Coding | A-Coded, B-Coded, D-Coded (available per request) |
| Gender | Male (Plug) / Female (Socket / Receptacle) |
| Wiring Method | Screw Type, Spring Type, Crimp Type, Solder Type, PCB Solder Type |
| Orientation | Straight, Right Angle (90°), T-Type |
| Mounting Type | Cable End, Panel Front Mount, Panel Rear Mount, PCB Mount |
| Thread | M12 × 1 |
| Cable Entry | PG7, PG9, M16×1.5 |
| Degree of Protection | IP67 (mated), IP68 (optional) |
| Rated Voltage | 60V AC / DC |
| Rated Current | 4A per contact |
| Insulation Resistance | ≥ 100 MΩ |
| Contact Resistance | ≤ 5 mΩ |
| Operating Temperature | -25°C to +85°C |
| Mating Cycles | ≥ 500 cycles |
| Shell Material | PA66 (Nylon), Zinc Alloy, Stainless Steel |
| Contact Material | Brass with Gold/Nickel Plating |
| Cable Material | PVC, PUR, TPU |
| Certifications | CE, RoHS, UL (upon request) |
Configurable Options
- Coding: A / B / D / X-Coded
- Gender: Male / Female
- Orientation: Straight / Right Angle / T-Type
- Wiring: Screw / Spring / Crimp / Solder / PCB
- Mount: Cable / Panel Front / Panel Rear / PCB
- Cable Length: Custom (1m - 20m+)
- Cable Type: PVC / PUR / TPU / Silicone
- IP Rating: IP67 / IP68
- Shell: PA66 / Zinc Alloy / SS304
- Connector End: Free End / Both Ends Assembled
- Labeling: Custom Logo / Part Number
- Packaging: Custom Retail / Bulk / OEM
Application Industries
OEM / ODM Capability
We support full OEM/ODM manufacturing. Submit your drawing or specification -- we will engineer the connector to your exact requirements.
- Custom pin configuration & coding
- Private label & custom markings
- Custom cable length & jacket color
- Unique connector body design
- Batch size from 100 pcs
- NDA available on request
Why Choose NITAI
Real Factory. Proven Manufacturing Capability.
We are not a trading company. NITAI is a vertically integrated manufacturer with 12+ years of dedicated connector production experience in Dongguan, China.
Our Production Process
Material Inspection
Incoming QC for all raw materials
Injection Molding
PA66 shell precision molding
Contact Machining
CNC brass contact fabrication
Assembly
Automated & manual assembly
Electrical Test
100% continuity & insulation test
IP Test & Ship
IP67/68 waterproof verification
Quality Control System
Incoming Material Inspection
Every batch of PA66, brass, and cable materials undergoes dimensional and chemical verification before entering production.
100% Electrical Testing
Every connector is tested for continuity, insulation resistance (≥100MΩ), and contact resistance (≤5mΩ) before shipment.
IP67 / IP68 Waterproof Testing
Mated connectors undergo immersion testing at 1m depth for 30 minutes. IP68 variants tested at 2m/24h.
Mating Cycle Endurance
Connectors are validated to exceed 500 mating cycles without performance degradation.
Final Visual & Dimensional Inspection
Trained QC inspectors perform AQL sampling per ISO 2859-1 before packaging and shipment.



Certifications & Standards
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Tell us your requirements -- product type, quantity, application -- and our team will respond within 24 hours with pricing and samples availability.
Liaobu Town, Dongguan,
Guangdong, China
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