Eaton UNJ1 Flexible Fixture Hanger - Ball Type

Part Number: UNJ1
Manufacturer
Eaton
Part number
UNJ1

Quick Summary

UNJ1 flexible fixture hanger by Eaton securely mounts pendant luminaires in hazardous locations. This solution addresses the challenge of rigid supports that hinder alignment and access in tight spaces. It carries NEC/CEC standard compliance and UL certification for Ball or Cushion Hazardous Area Hangers, with Class I, Division 2 ratings to meet critical safety requirements. Designed for 1/2 inch luminaire stems and nipples, it supports up to 125 lb and uses malleable iron for durable, vibration‑resistant mounting. By combining adjustable pendant mounting with proven materials and codes, UNJ1 delivers faster installations, reduced maintenance, and reliable performance in industrial facilities such as refineries, chemical plants, and power stations.

Product Information

Extended Description

UNJ1 Eaton: Eaton Crouse-Hinds series UNJ flexible fixture hanger, 125 lb, 1/2" luminaire stem size, Malleable iron, Pendant mount, 1/2" nipple size, Ball type
Product Name
Eaton Crouse-Hinds series UNJ flexible fixture hanger
Catalog Number
UNJ1
UPC
782274646206
Product Weight
0.79 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
Type
Ball
Mounting Type
Pendant
Luminaire stem size
1/2"
Nipple size
1/2"
Luminaire rated weight
125 lb
Material
Malleable iron
Ball type design with pendant mounting and a 1/2 inch luminaire stem and nipple delivers versatile, adjustable fixture support across varied ceiling configurations. This arrangement yields precise fixture aiming and repeatable positioning, reducing commissioning time in complex installations. Rated for up to 125 lb and manufactured from malleable iron, UNJ1 provides a robust, vibration‑resistant mount that maintains alignment under routine plant vibrations. Compliance and certification are integrated into every hanger. The UNJ1 aligns with NEC/CEC standards and carries UL certification for Ball or Cushion Hazardous Area Hangers, supporting Class I, Division 2 installations. This combination reduces compliance risk, accelerates approvals, and minimizes last‑minute changes that drive schedule and cost overruns. Installation compatibility and accessibility matter in constrained spaces. With a pendant mounting style and standard 1/2 inch stem and nipple, the UNJ1 seamlessly fits into existing conduit runs and across multiple luminaire families, while allowing on‑the‑fly height adjustments. The approach minimizes part variety and streamlines spare‑parts stocking, delivering lower total cost of ownership over the system lifecycle. Industry experience in hazardous-area projects shows that durable, code‑compliant fixtures translate to fewer outages and safer work sites. The UNJ1's combination of malleable iron construction, clear load rating, and established certifications makes it a reliable choice for refineries, chemical plants, and power generation facilities. By simplifying installation, improving uptime, and reducing rework, UNJ1 delivers measurable value for procurement and maintenance teams.

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FAQs

Begin by securing the Erickson/ceiling support and attaching the UNJ1 to the pendant mount. Slide the 1/2 inch luminaire stem into the nipple, then fasten the fixture with the provided hardware. Align the luminaire to the desired orientation, tighten to acceptable torque, and verify load rating. This process is streamlined by the unit's malleable iron construction and standardized 1/2 inch components, which reduce field adjustments and rework.
UNJ1 uses a ball-type fixture design in a malleable iron body, coupled with pendant mounting and a 1/2 inch stem/nipple. It is specified for Hazardous/Classified Locations and carries NEC/CEC compliance with NEC hazardous rating Class I, Division 2. This combination provides a robust, code‑conforming mounting solution that minimizes ignition risk and supports safe indoor and outdoor installations in restricted areas.
Yes. The UNJ1 is designed as a ball-type, pendant-mount fixture hanger rated for 125 lb with a 1/2 inch stem and nipple. Its malleable iron construction and hazardous-location certification make it suitable for industrial environments like refineries or chemical plants where reliable suspension and easy orientation are critical, while maintaining code compliance and installation efficiency.
UNJ1 carries NEC/CEC standards alignment and UL certifications for Ball or Cushion Hazardous Area Hangers. It is rated for Hazardous/Classified Locations with NEC Class I, Division 2 protection. These certifications collectively validate compliance for high-risk environments and support project approvals and code adherence during procurement and installation.
The UNJ1’s durable malleable iron build, 125 lb load rating, and standardized 1/2 inch components reduce field maintenance and spare-parts complexity. Its certified hazardous-location performance lowers risk, speeds commissioning, and minimizes rework, translating to shorter project timelines, fewer outages, and measurable uptime gains for maintenance and procurement teams.