MS3112E14-19P | 19-Pin MIL-DTL-26482 Series I Box Mount Receptacle (Size 14)
The MS3112E14-19P is a size 14 MIL-DTL-26482 Series I box mount receptacle with 19 pin contacts. Features “E” class environmental sealing and a rugged olive drab cadmium finish.
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MS3112E14-19P Maximizing Signal Density in Compact Electronic Grids
The MS3112E14-19P is a high-precision interconnect solution specifically designed for specialized electronic grids that require a maximum concentration of signal paths within a restricted panel footprint. Utilizing the size 14 aluminum alloy shell, this box mount receptacle facilitates nineteen independent conductive channels through its high-density 14-19 insert arrangement. This layout is a critical asset for modern telemetry systems and localized control units where nineteen Size 20 contacts provide the necessary capacity for complex data bus signals and multi-sensor feeds. By offering a flush-mounted profile on equipment chassis, the MS3112E14-19P ensures an optimized mechanical design while maintaining an exceptional level of functional integration for advanced digital interfaces.
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 Sealing
The “E” class designation of the MS3112E14-19P signifies an environmentally resistant construction that incorporates an advanced interfacial seal and a rear wire-sealing grommet. This internal sealing grid is engineered to prevent the ingress of humidity, fine particulates, and chemical vapors, ensuring that the nineteen conductive paths 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 ground-based monitoring stations and maritime sensor grids where equipment is subject to constant exposure to salt air and high moisture levels.
Rapid Bayonet Coupling and Mechanical Reliability
As a MIL-DTL-26482 Series I component, the MS3112E14-19P utilizes a three-point bayonet coupling system for rapid and secure mating with a compatible plug. This design allows for a quick-disconnect interface that can be fully engaged or disengaged with only a partial turn of the coupling nut, providing tactile and audible confirmation of a verified lock. The bayonet mechanism is inherently resistant to self-decoupling even in high-vibration environments, making it a superior choice for vehicle-mounted telemetry systems and heavy-duty industrial machinery. This mechanical stability ensures constant electrical continuity for the nineteen conductive lines, even under harmonic stress and mechanical shock.
Precision Pin Fidelity and 14-19 Layout Performance
Within the size 14 housing, the MS3112E14-19P employs nineteen Size 20 pin contacts, offering a reliable interface for a variety of digital and low-level analog signal sets. These pins 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 gold plating protects the contact surfaces from oxidation and environmental degradation, ensuring signal purity for sensitive command loops and complex data networks. The high-performance dielectric insert provides exceptional insulation resistance between the nineteen channels, preventing electrical crosstalk and leakage in mission-critical command and communication grids.
Structural Robustness and Shielding Effectiveness
The mechanical reliability of the MS3112E14-19P is supported by its rigid aluminum shell and the standardized four-hole square flange mounting pattern. This configuration provides a solid mechanical bond between the receptacle and the equipment bulkhead, ensuring that the physical stresses of frequent mating cycles are not transferred to sensitive internal electronics. Furthermore, the conductive nature of the cadmium-plated shell provides essential EMI and RFI shielding, protecting the nineteen signal lines from external electromagnetic interference. This combination of physical durability and electrical isolation makes the MS3112E14-19P a dependable choice for ruggedized digital environments where long-term signal reliability is the highest priority.
FAQ
How many signal channels does the MS3112E14-19P support?
How many signal channels does the MS3112E14-19P support?
The 14-19 layout provides nineteen independent conductive channels using Size 20 pin contacts, offering the highest signal density for a size 14 shell in the 26482 series.
What mounting style does the MS3112E14-19P use?
What mounting style does the MS3112E14-19P use?
This is a box mount receptacle featuring a four-hole square flange for permanent attachment to a flat panel, chassis, or junction box bulkhead.
What does the "E" class rating signify for this connector?
What does the "E" class rating signify for this connector?
The “E” class signifies environmental resistance, indicating that the connector includes internal seals and grommets to protect against moisture, dust, and other contaminants.
Is this receptacle compatible with other Series I brands?
Is this receptacle compatible with other Series I brands?
Yes, it is designed to mate with any MIL-DTL-26482 Series I plug of the same shell size (14) and layout (19), provided it utilizes the standard bayonet coupling system.
What finish is applied for corrosion protection?
What finish is applied for corrosion protection?
The shell features a standard olive drab cadmium finish over electroless nickel, providing excellent corrosion protection and shell-to-shell conductivity for EMI shielding.
Certification
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