Eaton 85100E123PY50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E123PY50
Quick Summary
Eaton 85100E123PY50 is a square flange MIL-DTL-26482 receptacle used in harsh industrial connectors. Engineers often grapple with field vibration, corrosion, and costly downtime caused by unreliable terminations. MIL-DTL-26482 SI qualification and REACH compliance offer clear reliability and environmental assurances for aerospace, defense, and heavy industry applications. This design features a backnut, cadmium plating, and a lightweight aluminum shell with 3 solder-cup pins, delivering secure mating and straightforward panel installation in compact spaces. By pairing robust performance with common mating interfaces, it supports efficient procurement and reduces lifecycle maintenance costs in automated systems.
Product Information
Extended Description
85100E123PY50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos Y; 85100E123PY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E123PY50
Product Length/Depth
32.7 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
13.1 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
Connector accessory option
Delivered with connector
Connector orientation
Y
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
3
Plating
Cadmium
Shell material
Aluminium
Shell size
12
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
3
Number of cavity #16
3
MIL-DTL-26482 SI qualification ensures compatibility with the Souriau 851 series and verified performance in rugged environments, reducing field failures and requalification costs while boosting uptime in critical equipment. The backnut mounting provides a secure, vibration-resistant panel fit, minimizing loosening and rework during installations in conveyors, robotics, and heavy machinery. The 1/3 bayonet coupling enables quick, reliable mating, cutting maintenance time and exposure to misalignment. Cadmium plating delivers corrosion resistance for coastal or humid environments, extending connector life and lowering replacement cycles in outdoor or washdown areas. The aluminum shell keeps weight low without sacrificing strength, improving overall system efficiency and heat management in compact enclosures. The 3-contact, straight-flange configuration supports clean routing in panel layouts and simplifies field servicing, improving procurement consistency across projects.
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FAQs
Yes. The 85100E123PY50 is a square flange receptacle designed for MIL-DTL-26482 SI qualified assemblies in the Souriau 851 family. It uses a backnut mounting, 1/3 bayonet coupling, and a 3-position contact layout, ensuring a secure fit with compatible panels and mating plugs. Verify panel cutouts and mating plug alignment prior to final mounting for best results.
The connector operates from -40 °C to 125 °C, suitable for extreme environments. It uses solder cup contacts (Pin/Male) and ships loaded with connection hardware. Cadmium plating provides corrosion protection, and aluminum shell offers a lightweight yet rugged housing ideal for high-vibration applications in automation and aerospace equipment.
The Eaton 85100E123PY50 is well-suited for aerospace, defense, and high-end industrial automation where MIL-DTL-26482 SI qualification, vibration resilience, and reliable electrical performance are required. It supports compact panel layouts, quick mating in assembly lines, and robust operation under harsh conditions such as dust, humidity, and wide temperature swings.
This receptacle is MIL-DTL-26482 SI qualified and REACH compliant, reflecting reliability in military-standard connections and adherence to environmental regulations. Cadmium plating is a traditional corrosion protection method, but ensure your project specification permits cadmium usage before procurement, particularly in cadmium-restriction markets.
The backnut mounting and square flange design enable straightforward installation with secure panel retention and reduced risk of loosening under vibration. The 1/3 bayonet coupling speeds mating, cutting service time and downtime. Combined with aluminum shell and corrosion protection, this reduces replacement costs and maintenance cycles in harsh industrial environments, improving total cost of ownership over time.