Eaton Crouse-Hinds NJB050905 Junction Box - NEMA 3 4X 12
Part Number: NJB050905
Manufacturer
Eaton Crouse-Hinds
Part number
NJB050905
Quick Summary
NJB050905 junction box protects electrical terminations in harsh industrial environments, ideal for field terminations and control cabinets. Many enclosures fail under moisture, impact, or noncompliant materials, leading to costly downtime. It complies with NEC/CEC standards and carries NEMA ratings of 3, 4X, and 12, with Ordinary/Non-Hazardous locations suitability. These features deliver installation efficiency and long-term cost savings for OEMs, maintenance teams, and integrators, supporting durable, compliant installations across multiple industrial settings.
Product Information
Extended Description
NJB050905 Eaton Crouse-Hinds: Eaton Crouse-Hinds series NJB junction box, 5 x 9 x 5" enclosure size, Basic enclosure, Krydon fiberglass-reinforced polyester, 1-1/2" long sides, 1-1/2" short sides
Product Name
Eaton Crouse-Hinds series NJB junction box
Catalog Number
NJB050905
UPC
782274088044
Product Length/Depth
5 in
Product Height
9 in
Product Width
5 in
Product Weight
4.55 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
NEMA Rating
3 4X 12
Enclosure type
Basic Enclosure
Enclosure size
5 x 9 x 5"
Hub size - max
1-1/2 in long sides, 1-1/2 in short sides
Material
Krydon fiberglass-reinforced polyester
Crouse-Hinds series NJB and NC Nonmetallic Junction Boxes and Control Enclosures catalog page
IF 388 - NJB, NCS Krydon Enclosures
Eaton Specification Sheet - NJB050905
Feature: Krydon fiberglass-reinforced polyester enclosure provides excellent weather resistance and impact durability. Business Impact: Reduces maintenance cycles and replacement costs in harsh environments, improving uptime. Application: Suitable for outdoor and wet indoor installations where nonmetallic enclosures are preferred. Feature: 5 x 9 x 5 inch basic enclosure size with 1-1/2 inch hub capacity on long and short sides. Business Impact: Compacts footprint while accommodating common field wiring configurations, accelerating panel assembly. Application: Ideal for control cabinets in compact machine layouts. Feature: NEMA Rating 3, 4X, 12 with Ordinary/Non-Hazardous Location classification. Business Impact: Enables versatile indoor/outdoor use with robust protection against dust, water ingress, and corrosion. Application: Suitable for manufacturing floors, process lines, and utility spaces. Feature: Lightweight 4.55 lb construction. Business Impact: Easier handling and faster installation reduces labor time and risk. Application: Field terminations and service upgrades where weight is a concern. Feature: Nonmetallic enclosure with compliance to NEC/CEC standards and installation guidance (IF 388). Business Impact: Improves regulatory compliance and provides clear installation procedures to minimize downtime. Application: OEM equipment, panel builders, and service teams adopting Eaton Crouse-Hinds solutions. Feature: Accessory compatibility and documentation availability (Catalog NJB/NJB pages, IF 388 instructions, and specification sheets). Business Impact: Streamlines procurement and installation planning, reducing project risk. Application: Integrates with existing NJB/NCE/NCS family components for scalable enclosures across facilities.
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FAQs
NJB050905 supports hubs up to 1-1/2 inches on both the long and short sides, facilitating standard field wiring runs. This nonmetallic enclosure accommodates typical industrial conduits and fittings used in control panels and field terminations, simplifying installation without compromising protection.
With NEMA ratings of 3, 4X, and 12 and an Ordinary/Non-Hazardous location classification, the NJB050905 is suitable for indoor and outdoor use, including damp or dusty environments. This combination ensures reliable protection from dust, water ingress, and corrosion while remaining appropriate for non-hazardous locations in manufacturing and process facilities.
Yes. The 5 x 9 x 5 inch Krydon enclosure is designed for field terminations and control panel assemblies in manufacturing, packaging, and process environments. Its lightweight, impact-resistant construction paired with robust weather resistance supports durable, compliant installations that meet NEC/CEC standards.
NJB050905 complies with NEC/CEC standards and features NEMA ratings 3, 4X, and 12, ensuring regulatory alignment for nonhazardous locations. This conformance supports procurement workflows by reducing risk during audits and streamlining approval for industrial enclosures across facilities.
Eaton provides installation guidance including IF 388 for NJB/NCS Krydon enclosures, a dedicated NJB/NCE/NCS catalog page, and a specification sheet (NJB050905). Access to these documents accelerates setup, clarifies hub sizing, and helps teams plan procurement to reduce downtime and rework.