Eaton 85100AC2221P50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100AC2221P50
Quick Summary
Eaton 85100AC2221P50 is a MIL-DTL-26482 SI qualified square flange receptacle designed for rugged industrial equipment. In field deployments, engineers contend with corrosion, misalignment, and fragile solder joints that drive downtime and maintenance costs. This connector delivers reliability through cadmium plating, a robust aluminum shell, and a straight backshell adaptor, while its N-oriented, 21-contact layout supports clean, compact installations. It also carries REACH compliance to strengthen environmental responsibility across supply chains. With an operating range from -40 °C to 125 °C, it withstands harsh conditions typical of manufacturing floors and outdoor sites. By standardizing on this connector, buyers reduce maintenance cycles and improve data integrity in critical control cabling.
Product Information
Extended Description
85100AC2221P50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos N; 85100AC2221P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2221P50
Product Length/Depth
53 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
62.3 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
N
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
21
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
21
Number of cavity #16
21
Feature: MIL-DTL-26482 SI qualification with a 21-contact layout ensures robust, aerospace-grade interconnectivity. Business impact: improved reliability in demanding environments reduces field failures and downtime. Application: ideal for harsh industrial equipment and military-aerospace interfaces. Feature: Cadmium plating on an aluminium shell provides corrosion resistance while keeping weight low. Business impact: longer service life and lower replacement costs in outdoor or rugged installations. Application: panel-mounted assemblies requiring durable enclosure protection. Feature: 1/3 bayonet coupling enables fast mate/demate with secure retention. Business impact: reduces maintenance time and enables quicker field servicing. Application: serviceable equipment on the production line or in remote sites. Feature: Solder Cup contact and pin (Male) delivery for straightforward solder connections. Business impact: predictable, user-friendly wiring and reliable electrical performance. Application: control panels, harness assemblies, and equipment backplanes. Feature: Straight backshell adaptor and N orientation support clean routing and compatibility. Business impact: simplifies installation, reduces signal interference, and improves conformity with harness layouts. Application: panel interfaces in tight spaces or custom housings. Feature: Operating temperature range -40 °C to 125 °C supports extreme environments. Business impact: broadens application scope, minimizes temperature-related failures, and protects critical signals. Application: outdoor industrial plants, vehicle systems, and military vehicles. Feature: Cadmium plating and square flange receptacle design enhance long-term durability. Business impact: lowers lifecycle costs through fewer replacements and sustained signal integrity. Application: high-vibration or outdoor applications where a stable, durable connection is essential.
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FAQs
The Eaton 85100AC2221P50 is designed as a square flange receptacle with a straight backshell adaptor, 1/3 bayonet coupling, and N orientation. It supports 21 solder cup contacts and cadmium plating on an aluminium shell, making it suitable for panel-mounted interconnects in harsh industrial environments and equipment where MIL-DTL-26482 SI qualification is advantageous.
Key performance specs include 21 contacts (22 shell size 22), 53 mm length, 40 x 40 mm footprint, cadmium plating, aluminium shell, straight backshell, 1/3 bayonet coupling, N orientation, solder cup contacts, and operating temperature range from -40 °C to 125 °C. The receptacle is loaded with pins and is REACH compliant, supporting reliable operation in demanding environments.
Yes. The MIL-DTL-26482 SI qualification reinforces suitability for aerospace-adjacent and harsh industrial applications, while cadmium plating and an aluminium shell provide corrosion resistance and lightweight durability. The -40 to 125 °C operating range ensures performance across extreme conditions encountered on factory floors, outdoor installations, and rugged machinery.
The connector is MIL-DTL-26482 SI qualified and REACH compliant, aligning with strict regulatory and environmental requirements. While CE/IP ratings are not specified in the available data, the MIL-DTL-26482 SI qualification and REACH compliance provide robust baseline standards for reliability and environmental responsibility.
The 85100AC2221P50 reduces maintenance through a durable cadmium-plated aluminium shell, robust solder cup contacts, and a secure 1/3 bayonet coupling that speeds field service. Its high reliability in -40 to 125 °C environments minimizes downtime, extending service life, lowering replacement costs, and delivering a favorable total cost of ownership in demanding control systems.