MS3102E12-3P | MIL-DTL-5015 Environmental Box Mount Receptacle with 2 Pins
MS3102E12-3P is a MIL-DTL-5015 environmental circular connector with a 2-pin 12-3 arrangement. Reliable box mount receptacle for moisture-resistant industrial use.
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Technical Overview of MS3102E12-3P
The MS3102E12-3P is a high-performance circular connector designed to meet the rigorous MIL-DTL-5015 military specification. Unlike the standard A-series, the E-series is specifically engineered for environmental resistance, making it an ideal choice for applications where exposure to moisture, condensation, and humidity is a concern. As a box mounting receptacle, it is designed for permanent installation on panels or electronic enclosures, providing a secure and stable interface for critical circuits.
This specific model features a shell size of 12 and a 12-3 insert arrangement, which consists of 2 pin contacts. The small footprint of the size 12 shell makes it highly suitable for compact devices where space is at a premium. The threaded coupling mechanism ensures that once the connector is mated with a compatible plug, it remains securely locked even in high-vibration environments, maintaining electrical continuity at all times.
Key Specifications
Shell Material | Voltage Rating | Current Rating | Operating Temp | Ingress Protection | Mating Cycles | Keying & Polarization | Coupling |
|---|---|---|---|---|---|---|---|
Aluminum alloy | ~1000 VAC | ~40 A | -55 °C to +125 °C | IP67 | 500 | N | Threaded Coupling |
Environmental Sealing and Material Construction
A defining feature of the MS3102E12-3P is its environmental sealing capability. The internal construction includes specialized grommets and seals that prevent the ingress of moisture along the wires and around the connector interface. This protection is essential for maintaining high insulation resistance in damp or outdoor settings. The shell is typically manufactured from high-grade aluminum alloy, providing a lightweight yet durable housing that resists mechanical damage and wear.
To further enhance its durability, the exterior shell is usually finished with a protective coating, such as olive drab chromate over cadmium plating. This finish provides excellent corrosion resistance, allowing the connector to perform reliably in salt spray or chemically active environments. The internal insulators are made from high-quality synthetic rubber, which provides superior dielectric strength and remains flexible across a wide temperature range, ensuring the safety and longevity of the connection.
2-Pin Configuration and Industrial Utility
The 2-pin 12-3 layout of the MS3102E12-3P is optimized for simplified power and signal transmission. This configuration is widely used in applications that require a robust two-wire connection, such as sensor interfaces, power supply leads for small motors, and communication lines in ruggedized mobile equipment. The use of pin contacts in the receptacle allows for a precise and secure mating process, while the large contact surface area ensures low electrical resistance and minimal heat generation during operation.
The box mounting design, characterized by its four-hole square flange, allows for straightforward integration into existing panel designs. This versatility ensures that the MS3102E12-3P can be deployed across various industries, including industrial automation, aerospace ground support, and marine electronics. Its ability to combine a small physical size with high environmental protection makes it a staple component for engineers designing compact, weather-resistant systems.
Global Intermateability and Procurement Standards
Being manufactured to the MIL-DTL-5015 standard means the MS3102E12-3P is fully intermateable with equivalent 12-3 arrangement plugs from any qualified manufacturer worldwide. This standardization is a major benefit for global supply chains, as it allows the MS3102E12-3P to serve as a direct technical substitute for parts produced by other major brands like Amphenol or ITT Cannon. This ensures that maintenance and repair operations can be carried out without the need for specialized proprietary components.
The consistency provided by the military specification guarantees that every MS3102E12-3P will meet the same dimensional and performance benchmarks, regardless of the production batch. This predictability is vital for mission-critical systems where reliability is non-negotiable. Whether it is used in a new high-tech installation or as a field replacement for an older system, the MS3102E12-3P offers a proven, cost-effective, and highly durable interconnect solution for professionals across the globe.
FAQ
What is the difference between MS3102A and MS3102E?
What is the difference between MS3102A and MS3102E?
The MS3102A is a general-duty solid shell connector, while the MS3102E is an environmental-resistant version. The E-series includes internal seals and grommets to protect against moisture and humidity, which the A-series lacks.
How many contacts does the MS3102E12-3P have?
How many contacts does the MS3102E12-3P have?
The MS3102E12-3P features a 12-3 insert arrangement, which provides 2 pin (male) contacts for signal or power transmission.
Is the MS3102E12-3P suitable for outdoor applications?
Is the MS3102E12-3P suitable for outdoor applications?
Yes, due to its environmental sealing and corrosion-resistant plating, it is well-suited for outdoor use or in environments where the connector may be exposed to moisture and condensation.
What is the mounting configuration for this receptacle?
What is the mounting configuration for this receptacle?
It is a box mounting receptacle featuring a square flange with four mounting holes. This allows it to be bolted directly onto a flat panel or the surface of an enclosure.
Can I mate this with any MIL-DTL-5015 plug?
Can I mate this with any MIL-DTL-5015 plug?
You can mate it with any MIL-DTL-5015 compliant plug, provided the plug has a shell size of 12, a 12-3 insert arrangement, and socket (female) contacts.
Certification
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