Eaton 85100AC2255SY50 Receptacle - SI Qualified

Part Number: 85100AC2255SY50
Manufacturer
Eaton
Part number
85100AC2255SY50

Quick Summary

The Eaton 85100AC2255SY50 Receptacle is a MIL-DTL-26482 SI qualified square flange connector for rugged equipment. Engineers often struggle with reliability in harsh environments and complex mating across assemblies. This part carries MIL-DTL-26482 SI qualification and REACH compliance, aligning with aerospace, defense, and industrial safety standards. Cadmium plating and a 55-position, solder-cup contact layout support high-density wiring without compromising signal integrity. By delivering with a connector, backshell adapter, and orientation Y, it simplifies installation and reduces onboarding time for busy engineering teams. The square flange receptacle geometry favors panel mounting and consistent mating with Souriau 851 series components. Designed for fast, reliable field servicing, it helps reduce non-recurring costs and accelerates time-to-value across programs.

Product Information

Extended Description

85100AC2255SY50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos Y; 85100AC2255SY50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2255SY50
Product Length/Depth
53 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
69.8 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
Y
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
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
Feature → 55-contact layout enables high-density wiring with minimal panel footprint. This design improves harness routing efficiency and reduces panel cutouts, delivering measurable cost savings during assembly. Applications span aerospace avionics, defense equipment, and industrial automation where compact, reliable interconnects are critical. Feature → 1/3 Bayonet coupling provides quick mating and robust retention under vibration. This reduces downtime during field maintenance and increases uptime in production lines, making it ideal for aircraft ground support equipment and rugged testing benches. Feature → Cadmium plating on an aluminum shell yields corrosion resistance with light weight. The result is longer service life and predictable performance in high-vibration environments, supporting outdoor enclosures and marine-grade applications. Feature → Backshell adaptor included simplifies installation and reduces part counts. It enables versatile cable routing and improved strain relief, boosting field serviceability for system integrators. Feature → Connector orientation Y and straight backshell align with standard Souriau interfaces, ensuring consistent mating across assemblies. Feature → 53 mm depth and shell size 22 optimize space utilization in control panels, reducing cabling complexity and improving airflow. Feature → Operating temperature range -40 to 125 °C supports mission-critical deployments in aerospace, defense, and harsh industrial environments. This assembly is REACH compliant and designed to integrate with Souriau 851 series components for streamlined procurement and maintenance.

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FAQs

Yes. The 85100AC2255SY50 features a straight backshell adaptor and a 55-contact solder cup layout, designed to mate with standard Souriau straight adaptors and dense harness configurations commonly found in aerospace and defense applications. Its Y orientation and 1/3 Bayonet coupling further support reliable field assembly and quick replacement when needed.
This receptacle operates from -40 °C to 125 °C, delivering reliable performance in extreme environments. It includes 55 contacts with solder cup terminals, cadmium plating on an aluminum shell, and a 53 mm depth, ensuring compact yet robust electrical interconnections suitable for high-density panel layouts.
Absolutely. It is MIL-DTL-26482 SI qualified, which is a critical standard for aerospace connectors, and the cadmium-plated aluminum shell provides corrosion resistance in challenging conditions. The square flange receptacle and 55-contact arrangement are specifically geared toward rugged, mission-critical assemblies in aerospace and defense contexts.
The part is MIL-DTL-26482 SI qualified and REACH compliant, aligning with stringent regulatory and environmental requirements. This combination supports global deployments in industries where safety, reliability, and environmental responsibility are non-negotiable.
The 85100AC2255SY50 reduces maintenance downtime with its quick-mating 1/3 Bayonet coupling, integrated backshell adaptor, and a high-density 55-contact arrangement. These features streamline installation, simplify field servicing, and lower part counts, delivering shorter downtime and faster return on investment for complex automation and aerospace programs.