Eaton 85100AC2255PZ50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2255PZ50
Quick Summary
The Eaton 85100AC2255PZ50 is a MIL-DTL-26482 SI qualified square flange receptacle used in rugged aerospace and industrial connector assemblies. Engineers often struggle with mating reliability and environmental sealing under harsh conditions. This design delivers MIL-DTL-26482 SI qualification, REACH compliance, and a robust cadmium-plated aluminum shell for tough environments. For mature industrial automation programs, it pairs seamlessly with Souriau 851 series backshell adapters to simplify installation and ensure long-term performance.
Product Information
Extended Description
85100AC2255PZ50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Z; 85100AC2255PZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2255PZ50
Product Length/Depth
53 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
65.9 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
Z
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
55
Plating
Cadmium
Shell material
Aluminium
Shell size
22
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
55
Number of cavity #20
55
The 55-position contact layout enables complex signal and power paths in a single connector. Business impact: Higher I/O density reduces panel depth, simplifies harness routing, and lowers assembly time. Application: Suited for aerospace, defense, and industrial equipment where space is at a premium and reliability matters. 1/3 Bayonet coupling delivers fast, secure mating with robust performance under vibration. Backshell adaptor and straight orientation simplify field installation and panel mounting. Operating temperature range -40 to 125 °C ensures functionality across extreme environments. Aluminium shell with cadmium plating provides corrosion resistance and mechanical strength. Shell size 22 and 53 mm length create a compact footprint suitable for tight enclosures. 55 solder cup contacts and male pin geometry support reliable soldered terminations. Receptacle type Square Flange Receptacle allows straightforward panel integration and alignment. Delivered with connector option reduces procurement steps and ensures compatibility with Souriau 851 series backshells. Z orientation and straight backshell simplify routing in complex harness layouts. Compatibility with standard assembly practices minimizes obsolescence risks and supports lifecycle ROI. Cadmium plating and REACH compliance contribute to lower maintenance costs through longer service intervals. Overall, this Eaton design delivers consistent electrical performance, ease of installation, and proven long-term reliability in demanding environments.
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FAQs
This receptacle uses a square flange mounting with a straight backshell and Z orientation, designed for straightforward panel cutouts around 53 mm long and 40 mm by 40 mm. Ensure the panel thickness accommodates the 22 shell size and 65.9 g weight, and use the included backshell adaptor for secure alignment. Verify solder cup terminations align with your PCB or terminal strip, and follow standard Souriau 851 series installation procedures for best results.
The unit is rated from -40 °C to 125 °C, making it suitable for extreme ambient conditions typical in aerospace and heavy industry. Cadmium plating provides corrosion resistance, while the aluminum shell adds mechanical robustness. Ensure compliance with REACH and any customer-specific plating or environmental requirements when selecting this connector for long-term deployments.
Yes. The Eaton 85100AC2255PZ50 is MIL-DTL-26482 SI qualified, with a cadmium-plated aluminum shell and a robust 1/3 bayonet coupling that resists vibration. Its 55-contact configuration supports dense I/O, and the Z orientation backshell simplifies routing in complex harnesses, making it well-suited for aerospace and demanding industrial applications.
This receptacle is MIL-DTL-26482 SI qualified, aligning with stringent military-spec interconnect requirements. It also carries REACH compliance for environmental safety. These certifications support high-reliability performance in regulated sectors and help with procurement audits, maintenance planning, and long-term supplier qualification.
Delivering with the connector and backshell reduces procurement steps and assembly time, while the corrosion-resistant cadmium plating extends service life in harsh environments. The compact aluminum shell and 55-contact payload offer high-density I/O without bulky hardware, lowering panel real estate needs and decreasing maintenance downtime, which translates to measurable lifecycle cost savings.