Eaton Crouse-Hinds NPJ6485 S4 NPJ Plug - NEMA 4X
Part Number: NPJ6485 S4
Quick Summary
NPJ6485 S4 NPJ plug is a heavy-duty electrical connector designed for industrial enclosures and Arktite NPJ systems. In harsh environments, downtime and maintenance costs rise when seals fail or components don’t withstand vibration. This NPJ plug supports NEC/CEC compliance, UL certification, and a NEMA 4X rating to help keep environments clean, dry, and safe. Built with Krydon fiberglass-reinforced polyester, it delivers robust durability, while its 60A rating aligns with common motor, pump, and control panel needs. By pairing seamlessly with Arktite NPJ receptacles, it reduces part variety and speeds commissioning, delivering measurable business value without sacrificing reliability.
Product Information
Extended Description
NPJ6485 S4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Arktite NPJ plug, 60A, Three-wire, four-pole, 1.07-1.35", 50-400 Hz, Style 2, Krydon fiberglass-reinforced polyester, Interior rotated 22-1/2 degrees, 600 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series Arktite NPJ plug
Catalog Number
NPJ6485 S4
UPC
782274307626
Product Length/Depth
9.5 in
Product Height
4 in
Product Width
4 in
Product Weight
2.6 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
NEMA Rating
4X
Amperage Rating
60A
Grounding type
Style 2
Configuration
Three-wire, four-pole
Cord diameter
1.07-1.35"
Material
Krydon fiberglass-reinforced polyester
Special features
Interior rotated 22-1/2 degrees
Voltage rating
600 Vac/250 Vdc
Frequency rating
50 to 400 Hz
Arktite Nonmetallic Plugs, Receptacles and Connectors catalog page
Arktite Nonmetallic Plugs, Receptacles and Connectors UL certification (NPJ, NPQ and NPR)
IF 865 - NPJ Series Arktite Heavy Duty Plug, Model M1, Style 2, 30, 60, 100 Amp
Eaton Specification Sheet - NPJ6485 S4
Feature → Business Impact → Application60A amperage rating provides capacity for demanding loads while preserving system reliability, reducing nuisance tripping during motor starts. This supports reliable operation in pumps, conveyors, and machinery feeds on the production line. Krydon fiberglass-reinforced polyester offers chemical resistance and weathering tolerance, extending service life in washdown and dusty environments. This lowers replacement costs and maintenance frequency for OEM panels and field-installed connections in harsh facilities.NEMA 4X enclosure protection delivers water, dust, and corrosion resistance, boosting uptime in indoor/outdoor, humid, or washdown areas. The result is safer electrical connections in manufacturing environments where exposure control is critical.Cord diameter compatibility of 1.07–1.35 inches, combined with an interior rotated 22.5 degrees, simplifies field routing and alignment in tight panels, reducing installation time and risk of cross-threading or misalignment.Voltage rating of 600 VAC / 250 VDC with a frequency range of 50–400 Hz enables broad compatibility with global motors and control circuits, reducing the need for multiple part variants and simplifying inventory management.The three-wire, four-pole configuration ensures proper grounding and reliable power distribution for heavy-duty loads, improving protection coordination and safety in industrial control panels and junction boxes.
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FAQs
To ensure a proper fit, pair the NPJ6485 S4 with matching NPJ receptacles from the Arktite NPJ family. Verify the 60A amperage rating and ensure the cord diameter tolerance (1.07–1.35 inches) matches the cord set used. The interior orientation of 22.5 degrees should be accounted for during panel layout to align with channeling and terminations, promoting a smooth field installation.
The NPJ6485 S4 provides 60A at 600 VAC / 250 V DC across a 50–400 Hz range in a three-wire, four-pole configuration. This combination supports high-startup loads and broad frequency compatibility, making it suitable for motors and drives in mixed-utility environments while maintaining solid grounding and safety.
Yes. The NPJ6485 S4 is rated NEMA 4X and intended for ordinary/non-hazardous locations, with Krydon material providing chemical and environmental resistance. This makes it a strong choice for washdown areas, dusty plants, and industrial applications where moisture and contaminants are concerns.
The plug supports NEC/CEC standards, carries a NEMA 4X rating, and has UL certification documentation available. These certifications ensure electrical safety, compliance with regional electrical codes, and reliability in harsh environments, reducing risk during audits and maintenance.
The Krydon body and robust NPJ design reduce corrosion and wear, extending service life in challenging facilities. Maintenance benefits include fewer replacements, less downtime for seal integrity checks, and easier field servicing due to compatible dimensions and a straightforward installation process.