M12 Waterproof Plug 3 Pin Male Female Connector PVC Molded Cable for Outdoor LED Industrial
Product Overview
This M12 3-pin waterproof plug is a molded PVC over-molded male and female connector set built on the industry-standard M12×1.0 threaded coupling. The 3-pin A-coded layout is the classic sensor and actuator interface defined by IEC 61076-2-101, making it a direct replacement for most factory-floor 3-wire sensor cordsets.
Unlike field-wireable metal-shell versions, this PVC molded version is a one-piece injection-molded plug and cable assembly. The PVC compound is bonded directly to the contact carrier, so the cable exit is a fully sealed, strain-relieved joint with no internal solder cavity and no user wiring. This gives OEMs a low-cost, high-consistency plug that can be ordered in fixed lengths and shipped ready to install.
Each set contains one male plug (3 pins) for the source or cable side and one female socket for device mounting. Mated, the pair locks with a threaded nut and forms a sealed, keyed, vibration-proof connection rated IP67. Straight and 90° elbow bodies, 3 to 8 pin variants and custom cable lengths are available on request.
Key Benefits
- Molded PVC Body: Single-piece injection molding bonds the PVC jacket to the contact carrier, eliminating the internal solder chamber that traps moisture in field-wireable plugs
- Cost-Effective for Volume: Lower BOM than metal-shell field-wireable versions, ideal for OEM harness programs running thousands of pieces per month
- IP67 Sealed Mated Pair: Threaded M12×1.0 nut with nitrile O-ring seals dust and water jets, suitable for washdown-adjacent equipment and outdoor LED fixtures
- 3-Pin A-Code Standard: Drops into existing 3-wire sensor, valve and LED driver ports without re-pinning or adapter cables
- Vibration-Proof Locking: Threaded coupling resists loosening on pumps, compressors, conveyors and vehicle-mounted equipment far better than push-pull or RJ-style latches
- Gold-Plated Contacts: Phosphor bronze contacts with gold plating hold contact resistance at or below 10 mΩ across 500 or more mating cycles
- Ready-to-Install Cordsets: Fixed lengths from 0.3 m to 10 m ship assembled, cutting on-site termination labor and wiring errors
Technical Specifications
| Parameter |
Specification |
| Coupling Thread |
M12 × 1.0 (approx. 20 mm nut OD) |
| Pin Count |
3 pin (2 / 4 / 5 / 6 / 8 pin available) |
| Coding / Gender |
A-code, male plug + female socket set |
| Body / Overmold Material |
Molded PVC (PA66+GF option available) |
| Contact Material |
Phosphor bronze, gold plated |
| Rated Current |
4 A (3 pin A-code) |
| Rated Voltage |
250 V AC / 300 V DC |
| Contact Resistance |
≤ 10 mΩ |
| Insulation Resistance |
≥ 100 MΩ at 500 V DC |
| Withstand Voltage |
1500 V AC / 1 minute |
| Protection Rating |
IP67 mated (IP68 option) |
| Cable Jacket |
PVC, 3 × 0.2 mm² to 3 × 0.5 mm² (AWG 24-20) |
| Cable Length |
0.3 m to 10 m, custom lengths to order |
| Operating Temperature |
-25 °C to +85 °C |
| Mating Cycles |
≥ 500 |
| Certifications |
CE, RoHS, UL component |
Competitive Advantages
- vs Field-Wireable Metal Plugs: Molded PVC removes the solder chamber and screw terminals, so no moisture path exists at the cable exit and no wiring labor is required on site
- vs M8 3-Pin: Larger M12 body and 4 A rating handle more current and survive rougher handling, while keeping the same 3-wire logic
- vs Terminal Blocks / Junction Boxes: Keyed 3-pin interface prevents miswiring, seals the connection face and cuts harness part count by 50-60%
- vs Screw-Type Connectors: Molded strain relief resists cable pull-out and oil mist far better than exposed screw terminals
Applications
- Outdoor LED: LED street lights, floodlights, garden and facade lighting plug-in connections
- Factory Automation: 3-wire proximity, photoelectric and inductive sensors, pneumatic valve actuators
- Solar and Renewables: Inverter monitoring leads, combiner box signal cables, tracker sensor drops
- Industrial Equipment: Conveyors, packaging machines, pumps, compressors and CNC accessories
- Security and Building: Access control readers, gate operators, CCTV power and signal runs
- Vehicle and Marine: Trailer harnesses, work lights, marine instrument connections