Eaton 838 Series Connector | Railway Circular Connector IP67 EN45545
Reliable Railway Connectors for Extreme Environments
The Eaton 838 Series (formerly Souriau) is a high-performance circular connector solution engineered for railway, industrial, and harsh environment applications.
Designed to withstand extreme vibration, shock, moisture, and chemical exposure, the 838 Series ensures secure power and signal transmission in mission-critical systems.

Technical Specifications
| Parameter | Specification |
| Operating Temperature | -40°C to +100°C |
| Protection Level | IP66 / IP67 |
| Mating Cycles | ≥ 500 |
| Salt Spray Resistance | 500 hours |
| Vibration Resistance | EN61373 |
| Fire Standard | EN45545 HL3 |
| Shell Material | Aluminum Alloy |
| Locking Mechanism | Threaded Coupling |
| Keying Options | 12 positions |
Product Range & Typical Models
The Eaton 838 Series includes a wide range of plugs, receptacles, and accessories to support different installation requirements.
Plug Connectors
838-PL Series Plug
Cable connection type
Straight or angled backshell options
Suitable for rolling stock wiring
Receptacle Connectors
838-RC Series Receptacle
Panel mount or bulkhead mount
Front or rear mounting options
High sealing performance
Contacts (Terminals)
Size 8 / Size 12 Contacts
Crimp contacts
Silver or gold plating
High current carrying capability
Backshell & Accessories
EMI shielding backshells
Cable clamps & sealing accessories
Protective caps
Electrical & Contact Parameters
| Contact Size | Current Rating | Contact Type | Plating |
| Size 8 | Up to ~45A | Crimp | Silver |
| Size 12 | Up to ~25A | Crimp | Gold / Silver |
Applications
Railway Systems
Inter-car jumper connections
Underframe equipment
Signaling & control systems
Industrial Equipment
Heavy machinery
Outdoor power systems
Harsh environment automation
Energy & Infrastructure
Trackside power distribution
Control cabinets




