PT06E12-3S(SR) | 3-Socket MIL-DTL-26482 Series I Plug with Strain Relief (Size 12)
The PT06E12-3S(SR) is a size 12 MIL-DTL-26482 Series I straight plug with 3 socket contacts and an integrated strain relief (SR) clamp. Features “E” class environmental sealing.
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PT06E12-3S(SR) Efficiency of Power and Signal Integration in Mobile Grids
The PT06E12-3S(SR) is a high-performance straight plug designed for specialized electronic grids that require a robust interface for both power distribution and signal transmission in a portable format. Utilizing the size 12 aluminum alloy shell, this connector facilitates three independent conductive paths through its 12-3 insert arrangement. Unlike chassis-mounted components, the PT06E12-3S(SR) is optimized for cable-end termination, acting as a critical link for interconnecting mobile power units, field-deployed sensor arrays, and industrial control modules. By housing three Size 16 socket contacts, it provides a significantly higher current-carrying capacity than high-density signal-only plugs, ensuring a reliable energy bridge for ruggedized digital environments.
Key Specifications
Shell Material | Voltage Rating | Current Rating | Operating Temp | Ingress Protection | Mating Cycles | Keying & Polarization | Coupling |
|---|---|---|---|---|---|---|---|
Aluminum alloy | ~1000 VAC | ~23 A | -65 °C to +200 °C | IP67 | 500 | N | quick bayonet coupling |
Tactical Environmental Defense and E-Class Protection
The “E” class designation of the PT06E12-3S(SR) signifies an environmentally resistant construction that incorporates an advanced interfacial seal and a high-performance dielectric insert. This internal sealing grid is engineered to prevent the ingress of humidity, fine particulates, and chemical vapors, ensuring that the three conductive channels remain isolated from harsh atmospheric contaminants. The aluminum housing is treated with olive drab cadmium plating over an electroless nickel underplate, providing a certified multi-layered defense against corrosion. This level of protection is essential for handheld tactical equipment and portable industrial machinery where long-term exposure to moisture and environmental stress is a standard operational factor.
Integrated Strain Relief and Mechanical Longevity
A defining technical feature of the PT06E12-3S(SR) is the inclusion of the (SR) strain relief cable clamp backshell. In environments where equipment is frequently deployed or cables are subject to accidental pulling, twisting, and repetitive motion, this mechanism absorbs physical tension. By securing the cable jacket firmly, the strain relief ensures that mechanical load is not transferred to the delicate solder or crimp joints at the socket interface, significantly reducing the risk of fatigue-related failures. For field-deployed communication units and mobile sensor grids, the structural security provided by the SR backshell is a vital factor in maintaining consistent system uptime and preventing intermittent signal loss.
Precision Socket Fidelity and 12-3 Layout Performance
Within the size 12 housing, the PT06E12-3S(SR) employs three Size 16 socket contacts, offering a reliable female interface for a variety of power and low-frequency analog signal sets. These sockets are precision-machined from copper alloy and finished with high-grade gold plating to maintain an ultra-low-resistance electrical path throughout the equipment’s operational life. The socket design provides inherent electrical safety, as the conductive elements are recessed within the dielectric insert, preventing accidental short-circuits or physical damage during the mating process. The high-performance dielectric insert provides exceptional insulation resistance between the three channels, ensuring safety and signal purity in mission-critical command loops.
Rapid Bayonet Coupling and Shielding Effectiveness
The PT06E12-3S(SR) utilizes a three-point bayonet coupling system, allowing for rapid and secure mating with a simple partial turn of the coupling nut. This mechanical interface provides tactile and audible confirmation that the connection is fully locked, which is essential for rapid assembly in high-stress or low-visibility field conditions. Furthermore, the conductive nature of the cadmium-plated aluminum shell provides essential EMI and RFI shielding, protecting the three conductive lines from external electromagnetic interference. This combination of physical durability, integrated cable protection, and electrical isolation makes the PT06E12-3S(SR) a dependable choice for ruggedized mobile environments where operational reliability is paramount.
FAQ
What does the (SR) suffix indicate for the PT06E12-3S?
What does the (SR) suffix indicate for the PT06E12-3S?
The (SR) suffix stands for Strain Relief, indicating that the plug is equipped with a mechanical cable clamp backshell to protect the wire terminations from physical tension and pulling.
How many contacts are provided in the 12-3 layout?
How many contacts are provided in the 12-3 layout?
The 12-3 layout features three independent Size 16 socket contacts, which are larger and more robust than standard Size 20 pins, allowing for higher current loads.
Is the PT06E12-3S(SR) compatible with any MIL-DTL-26482 receptacle?
Is the PT06E12-3S(SR) compatible with any MIL-DTL-26482 receptacle?
Yes, it is designed to mate with any MIL-DTL-26482 Series I pin receptacle of the same shell size (12) and layout (3), regardless of the manufacturer.
What is the benefit of the socket (female) configuration in this plug?
What is the benefit of the socket (female) configuration in this plug?
Socket contacts are recessed within the insulator, providing a “dead-face” safety feature that prevents accidental shorting when the connector is powered but unmated.
What finish is applied for corrosion resistance?
What finish is applied for corrosion resistance?
The standard finish is olive drab cadmium over electroless nickel, which provides excellent corrosion protection, especially in salt-spray environments, while maintaining conductivity for shielding.
Certification
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