M12 Sealed Electrical Connectors – The Industrial-Strength Hermetic Interface for Severe Operating Conditions
The M12 Sealed Electrical Connector is a standardized, circular, threaded interface engineered to ensure dependable transmission of power, signals, and data within challenging industrial and exterior applications. Defined by its 12mm metric threaded coupling system, it delivers a firm, vibration-proof, and environmentally isolated link. Serving as a fundamental component in automated manufacturing and smart industrial systems, it guarantees consistent functionality for sensors, actuators, programmable controllers, and networking equipment subjected to humidity, particulates, oils, and thermal extremes.
| Parameter | Specification / Typical Range |
|---|---|
| Product Name | M12 Circular Sealed 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 |