MS3112E14-5S | 5-Socket MIL-DTL-26482 Series I Box Mount Receptacle (Size 14)
The MS3112E14-5S is a size 14 MIL-DTL-26482 Series I box mount receptacle with 5 socket contacts. Features “E” class environmental sealing and a rugged olive drab cadmium finish.
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MS3112E14-5S Efficiency of Power Distribution in Fixed Electronic Grids
The MS3112E14-5S is a high-precision interconnect solution specifically designed for specialized electronic grids that require reliable power delivery through a permanent panel interface. Utilizing the size 14 aluminum alloy shell, this box mount receptacle facilitates five independent conductive channels through its robust 14-5 insert arrangement. Unlike high-density signal connectors, the 14-5 layout utilizes larger Size 16 socket contacts, which are engineered to handle higher current loads without significant heat generation. This makes the MS3112E14-5S an essential component for localized power units, actuator control panels, and industrial motor interfaces where a stable, bulkhead-mounted connection is required for mission-critical operations.
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 MS3112E14-5S signifies an environmentally resistant construction that incorporates advanced internal seals and a rear wire-sealing grommet. This internal sealing grid is engineered to prevent the ingress of moisture, airborne particulates, and industrial fluids, ensuring that the five 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 and surface oxidation. This level of protection is vital for ground-based tactical units and heavy-duty industrial grids where long-term exposure to outdoor elements is a standard operational condition.
Rapid Bayonet Coupling and Mechanical Reliability
As a MIL-DTL-26482 Series I component, the MS3112E14-5S 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 when subjected to intense harmonic vibrations or mechanical shocks common in vehicle-mounted systems or rotating machinery. This mechanical stability ensures constant electrical continuity for the five conductive lines, preventing intermittent power loss during high-stress maneuvers or equipment operation.
Precision Socket Fidelity and 14-5 Layout Performance
Within the size 14 housing, the MS3112E14-5S employs five Size 16 socket contacts, offering a reliable female interface for both AC and DC power distribution. These sockets are precision-machined from copper alloy and finished with high-grade gold plating to maintain a low-resistance electrical path throughout the equipment’s service life. The socket design provides an extra layer of physical safety, as the conductive elements are recessed within the dielectric insert, preventing accidental short-circuits or contact damage during the mating process. The high-performance dielectric insert provides exceptional insulation resistance between the five channels, preventing electrical leakage in sensitive energy grids.
Structural Robustness and Shielding Effectiveness
The mechanical reliability of the MS3112E14-5S 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 mating and unmating are not transferred to internal circuit boards. Furthermore, the conductive nature of the cadmium-plated shell provides essential EMI and RFI shielding, protecting the five conductive lines from external electromagnetic interference. This combination of physical durability and electrical isolation makes the MS3112E14-5S a dependable choice for ruggedized digital environments where both power and signal integrity are paramount.
FAQ
How many contacts are provided in the 14-5 layout?
How many contacts are provided in the 14-5 layout?
The 14-5 layout provides five independent conductive channels using Size 16 socket contacts, which are designed to handle higher current loads compared to standard signal pins.
What mounting style does the MS3112E14-5S use?
What mounting style does the MS3112E14-5S 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?
What does the "E" class rating signify?
The “E” class signifies environmental resistance, meaning the connector includes internal seals and grommets to protect the electrical interface from moisture, dust, and other contaminants.
Is this receptacle intermateable with other Series I brands?
Is this receptacle intermateable with other Series I brands?
Yes, it is designed to mate with any MIL-DTL-26482 Series I pin plug of the same shell size (14) and layout (5), provided it uses the standard bayonet coupling system.
What finish is applied for corrosion resistance?
What finish is applied for corrosion resistance?
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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