Eaton 85100A2027SX50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100A2027SX50
Quick Summary
Eaton 85100A2027SX50 MIL-DTL-26482 SI qualified square flange receptacle for rugged aerospace and industrial harnesses. Engineers face fitment, vibration, and maintenance challenges in tight panels and harsh environments. This connector meets MIL-DTL-26482 SI qualification and REACH compliance, delivering high-reliability performance under temperature and voltage demands. By leveraging cadmium-plated aluminium shell and a 27-contact layout, it supports scalable automation and quick assembly, reducing downtime. This makes it a practical choice for aerospace, defense, and heavy industry wiring where durability and standardization matter. From a procurement perspective, this design reduces SKU proliferation and supports supply chain resilience. And field teams benefit from easy mating with X orientation and a delivered connector assembly.
Product Information
Extended Description
85100A2027SX50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos X; 85100A2027SX50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A2027SX50
Product Length/Depth
44 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
44.9 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
X
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
27
Plating
Cadmium
Shell material
Aluminium
Shell size
20
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
27
Number of cavity #20
27
The 27-contact layout and solder-cup termination enable high-density wiring in compact harnesses, translating into shorter panel routes and fewer field solder joints. This improves electromagnetic compatibility and signal integrity while reducing assembly time and rework in aerospace and industrial automation projects. The straight backshell and 1/3 bayonet coupling provide consistent mating force and reliable locking, which minimizes intermittent connections in vibration-rich environments and supports faster maintenance cycles. Cadmium plating on an aluminium shell delivers corrosion resistance across extreme temperatures, lowering replacement costs and downtime in outdoor or harsh factory settings. The 44 mm depth, 36.9 mm width, and 36.9 mm height enable a compact footprint compatible with Souriau 851 series ecosystems, aiding easy cross-compatibility and scalable deployments. Delivered with connector options simplifies installation and reduces parts variance, helping procurement standardize on a single family for multiple programs. This design is well-suited for aerospace, defense, and heavy industry harnesses, delivering predictable performance and lifecycle value.
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FAQs
The 85100A2027SX50 uses a square flange receptacle with 27 contacts, a straight backshell, and a 1/3 bayonet coupling. It fits typical Souriau 851-series panel allocations and supports X orientation, making both initial mounting and subsequent mating straightforward in compact avionics or industrial panels.
This receptacle operates from -40 °C to 125 °C, suitable for extreme cockpit, machine room, and outdoor environments. It employs cadmium plating on an aluminium shell for corrosion resistance and adheres to REACH environmental requirements, supporting regulatory compliance in global programs.
Yes. The MIL-DTL-26482 SI qualification and the Souriau 851-series form factor are specifically tailored for aerospace and defense wiring. The 27-contact configuration, robust mechanical design, and proven mating performance support reliable operation in high-vibration, rigorous mission profiles.
The product is MIL-DTL-26482 SI qualified and complies with REACH environmental standards. This combination supports program-level compliance for defense, aerospace, and regulated industrial programs, reducing certification lead times and supplier risk when integrating into existing architectures.
Installation benefits include orientation X, a straight adapter backshell, and a pre-loaded contact arrangement that accelerates panel mounting and mating. The 44 mm depth and 36.9 mm footprint enable tight layouts, while aluminium-cadmium construction lowers corrosion-related maintenance, delivering longer service intervals and lower total cost of ownership across fleets.