M12 Waterproof Plugs – The Industrial-Grade Sealed Connector for Harsh Environments. The M12 Waterproof Plug is a standardized, circular, threaded electrical connector designed for reliable power, signal, and data transmission in demanding industrial and outdoor settings. Characterized by its 12mm metric thread locking mechanism, it provides a secure, vibration-resistant, and environmentally sealed connection. As a cornerstone of factory automation and Industry 4.0, it ensures stable performance for sensors, actuators, PLCs, and network devices exposed to moisture, dust, oils, and extreme temperatures.
| Parameter | Specification / Typical Range |
|---|---|
| Product Name | M12 Circular Waterproof Connector / Plug |
| Thread Size | M12 x 1.0 (Standard Metric) |
| Key Coding Types | A (Sensor/General), B (PROFIBUS), D (100M Ethernet), X (10G Ethernet), T (DC Power), S/K (AC Power), L (DC Power+Signal) |
| Number of Pins (Contacts) | 3, 4, 5, 8, 12, 17 |
| Rated Voltage | 30V – 250V AC/DC (Signal); Up to 630V AC (Power Codes) |
| Rated Current | 0.5A – 4A per pin (Signal); Up to 12A – 16A (Power Codes) |
| Contact Resistance | ≤ 5mΩ – 10mΩ |
| Insulation Resistance | ≥ 100 MΩ (at 500V DC) |
| Withstand Voltage | ≥ 1000V AC (for 1 minute) |
| IP Protection Rating | IP67 (Standard), IP68, IP69K (Optional) |
| Operating Temperature | -40°C to +85°C / +105°C / +125°C |
| Housing Material | Nickel-Plated Brass, Stainless Steel, PA66 (Nylon) with Glass Fiber |
| Contact Material | Phosphor Bronze with Gold Plating |
| Mating Cycles | 100 – 500 cycles (Plastic), 1000+ cycles (Metal) |
| Locking Mechanism | Threaded Screw Lock, Push-Pull (Quick Connect) |
| Shielding | 360° Shielded versions available for EMI/RFI protection |