Overview
The Allen-Bradley 1490-N9 is a non-metallic conduit hub engineered for use with NEMA 4 and 4X enclosures, providing secure threaded conduit entry in industrial control systems. This 3/4″ NPT connector is constructed for use with threaded rigid conduit and delivers dependable electrical connectivity in demanding automation environments. Made in the USA and supplied new in box, the 1490-N9 is a proven choice for controls engineers and maintenance technicians requiring corrosion-resistant conduit termination.
Key Features
- 3/4″ NPT thread size for standard rigid conduit
- Non-metallic construction for corrosion resistance in harsh environments
- NEMA 4 and 4X rated for wet and stainless steel enclosures
- Through-hole mounting design for secure panel installation
- Made in USA; UPC 781180132858
- Gray finish; compact footprint with 1-1/8″ mounting hole
Technical Specifications
- Conduit Size: 3/4″ NPT
- Material: Non-metallic
- NEMA Rating: NEMA 4, NEMA 4X
- Mounting: Through-hole (1-1/8″ hole)
- Color: Gray
- Weight: 130 grams (0.29 lbs)
- UPC: 781180132858
- Manufacturer: Rockwell Automation/Allen-Bradley
- Origin: Made in USA
Typical Applications
- NEMA 4 and 4X control enclosure conduit entry
- Stainless steel panel-mount enclosures in food, beverage, and pharmaceutical facilities
- Outdoor and washdown equipment installations
- Industrial automation control panels requiring corrosion-resistant termination
- Machine tool and process control systems
- Water treatment and chemical processing equipment
Compatibility & Replacements
Compatible With
- NEMA 4 rated enclosures
- NEMA 4X stainless steel enclosures
- Threaded rigid metal (FE) conduit
- Threaded rigid aluminum (AL) conduit
- Standard electrical panel installations
- Rockwell Automation control systems
Replaces / Drop-In Replacement For
- Legacy 1490-N9 Series A and Series C units
- Older non-metallic 3/4″ conduit hubs in similar NEMA ratings
- Verify compatibility with your system integrator before ordering
Works With
- Allen-Bradley ControlLogix and CompactLogix systems (via enclosure integration)
- Siemens SIMATIC S7 panels (standard conduit mounting)
- Mitsubishi and Omron automation enclosures
- Any control system requiring NEMA 4/4X conduit entry
- Standard 3/4″ NPT threaded rigid conduit networks














