Souriau-Sunbank by Eaton 85107A2255P50A7: High-Performance Circular Connector for Industrial & Military Use
Souriau-Sunbank by Eaton 85107A2255P50A7: Premium Circular Connector for Demanding Applications
The Souriau-Sunbank by Eaton 85107A2255P50A7 represents the gold standard in circular connectors, engineered to deliver unmatched performance in the most challenging industrial, military, and aerospace environments. This comprehensive guide explores every aspect of this exceptional connectivity solution.
In-Depth Product Analysis
Manufacturer Excellence
As part of Eaton's Souriau-Sunbank series, the 85107A2255P50A7 benefits from over 100 years of interconnect innovation. Eaton's reputation for reliability makes this connector a trusted choice for mission-critical applications worldwide.
Technical Specifications
- Type: 55-position male pin circular receptacle
- Mounting: Panel mount through-hole with bulkhead-front nut
- Locking Mechanism: Quick-connect bayonet lock
- Current Rating: 7.5A per contact (total 412.5A capacity)
- IP Rating: IP65 (dust-tight and protected against water jets)
- Temperature Range: -55 C to +125 C operational
Advanced Material Engineering
Shell Construction
The aluminum alloy shell with olive drab cadmium plating provides exceptional corrosion resistance while meeting MIL-STD-810 environmental standards. This military-spec finish ensures:
- 500+ hours salt spray resistance
- UV stability for outdoor applications
- EMI/RFI shielding effectiveness
Contact Technology
Gold-plated contacts deliver:
- Contact resistance <5m
- 500+ mating cycles durability
- Stable performance in humid environments
Performance Advantages
Electrical Characteristics
| Parameter | Value |
|---|---|
| Voltage Rating | 600V AC/DC |
| Insulation Resistance | >5000M |
| Dielectric Withstanding | 1500V RMS |
Mechanical Reliability
The bayonet locking mechanism ensures:
- Positive engagement with audible click
- Vibration resistance to 20G (MIL-STD-202)
- Quick disconnect under load capability
Industry Applications
Military/Defense Systems
- Ground vehicle electronics
- Weapons systems interfaces
- Field communications equipment
Industrial Automation
- Robotic arm connections
- CNC machine wiring
- Process control systems
Transportation Infrastructure
- Railway signaling
- Avionics bay connections
- Marine navigation systems
Competitive Advantages
Why engineers specify the 85107A2255P50A7:
- Military Certification: Complies with MIL-DTL-38999 Series III standards
- Environmental Sealing: IP65 rating exceeds industrial requirements
- Contact Density: 55 positions in compact form factor
- Lifecycle Durability: 10,000+ mating cycle design life
- Global Availability: Eaton's worldwide distribution network
Installation Guide
Mounting Procedure
- Drill 2.25" (57.15mm) panel hole
- Insert connector from front side
- Secure with provided nut (35-50 in-lbs torque)
- Route cables through strain relief
Maintenance Tips
- Inspect contacts every 6 months
- Use approved contact lubricant
- Store unused connectors with protective caps
Frequently Asked Questions
Q: What backshell options are available?
A: The 85107A2255P50A7 is compatible with all Series III backshells including 90 and 45 elbows.
Q: Can this connector be used in explosive environments?
A: While not intrinsically safe, it meets requirements for Class I Division 2 hazardous locations.
Q: What wire gauge is recommended?
A: Supports 20-24 AWG for signal applications, 16-18 AWG for power contacts.
Purchase Information
Available through authorized Eaton distributors with:
- Competitive volume pricing
- Custom configuration options
- Technical support services
For immediate availability of the 85107A2255P50A7 connector or technical consultation, contact our connector specialists today. Experience the Eaton difference in rugged, reliable interconnect solutions.