Eaton 85100E2025S50 Receptacle - MIL-DTL-26482 SI

Part Number: 85100E2025S50
Manufacturer
Eaton
Part number
85100E2025S50

Quick Summary

Eaton Souriau 851 series MIL-DTL-26482 SI qualified receptacle is a rugged, high-reliability connector for aerospace, defense, and industrial automation applications. Engineers often struggle with corrosion risk, mis-mating, and costly downtime when selecting harsh-environment connectors. This design combines MIL-DTL-26482 SI qualification, REACH environmental compliance, and cadmium-plated aluminium shells to deliver durability across temperature extremes. With 25 solder-cup contacts, a straight backshell, and a backnut for quick installation, it reduces assembly time while enhancing system reliability in dense, demanding installations. The result is a robust, maintenance-friendly solution that supports scalable, long-term asset uptime and predictable procurement cycles.

Product Information

Extended Description

85100E2025S50 Eaton: Square flange receptacle, with backnut, cadmium plating, female solder contacts, pos N; 85100E2025S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2025S50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
44.7 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
Connector accessory option
Delivered with connector
Connector orientation
N
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
25
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
25
Number of cavity #20
25
Feature to benefit mapping drives real value in the field. MIL-DTL-26482 SI qualification delivers proven ruggedness and mission-ready reliability for aerospace, defense, and heavy-industrial equipment, reducing field failures and warranty costs while boosting uptime and safety. This receptacle accommodates 25 solder-c cup contacts, enabling compact, dense wiring harnesses that lower panel space and wiring complexity; the business impact is lower install costs and faster time-to-value on complex automation projects. The 1/3 bayonet coupling paired with a straight backshell supports rapid mating and secure retention, which translates to reduced maintenance cycles and fewer rework events during field servicing. Cadmium plating and an aluminium shell provide corrosion resistance and lightweight structural integrity, delivering lower lifecycle cost and extended service life in outdoor or high-humidity environments. Operating from -40 °C to 125 °C further ensures functional reliability across extreme industrial settings, supporting global deployments and cross-site standardization. Delivered with connector and backnut simplifies installation, improving field readiness and supply chain efficiency. The 25-contact layout aligns with common control architectures while preserving good electrical performance and ease of diagnostics, a critical advantage for panel builders and system integrators. Overall, this solution blends industry-standard compatibility with robust construction to minimize risk, reduce total cost of ownership, and support scalable plant modernization initiatives.

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FAQs

This model is a square flange receptacle with a backnut and straight backshell, designed for straightforward mounting on panel cutouts. It delivers 25 solder cup contacts in a 20-shell size, with N orientation and delivered with connector, enabling fast, field-ready installations with reduced risk of misalignment or loosely connected interfaces.
Key specs include an operating temperature range of -40 °C to 125 °C, cadmium plating, and aluminium shell, all contributing to corrosion resistance and structural integrity. The MIL-DTL-26482 SI qualification ensures high-reliability mating under vibration and thermal cycling common in aerospace and heavy-industrial deployments.
Yes. The MIL-DTL-26482 SI qualified design, 25 contact capacity, and 1/3 bayonet coupling offer robust performance for both aerospace and industrial automation. Its lightweight aluminium shell reduces weight in aerospace applications, while the solid backnut and straight backshell support reliable, vibration-resistant connections in automation panels.
The connector is MIL-DTL-26482 SI qualified and REACH compliant, with cadmium plating specified. While CE or IP ratings aren’t listed in the provided data, the MIL-spec qualification and REACH adherence address critical regulatory and environmental requirements for stringent industries.
The combination of high-reliability MIL-spec qualification, corrosion protection, and wide operating temperature reduces field failures and maintenance intervals. Quick mating via 1/3 bayonet and the backnut-backed installation minimizes downtime during upgrades or repairs, delivering lower lifecycle costs and improved asset availability across global operations.