Eaton 6636 GRT NK Wiring Trough - NEMA 3R Steel ANSI 61 Gray
Part Number: 6636 GRT NK
Quick Summary
Eaton 6636 GRT NK Wiring Trough is a rugged 6 inch by 6 inch by 36 inch channel that streamlines wiring management in industrial enclosures. This solution addresses the common struggle of securing cables while maintaining clean, accessible layouts in demanding environments. With CSA Certified and UL Listed ratings and a NEMA 3R enclosure rating, it stands up to weather and exposure in both indoor and outdoor applications. The ANSI 61 gray finish and 16 gauge steel construction deliver durability, while embossed thru holes and a secure flange cover simplify installation planning, maintenance, and long-term reliability for your electrical infrastructure projects.
Product Information
Extended Description
6636 GRT NK Eaton: Eaton B-Line series wiring trough, 6" height, 36" length, 6" width, GRT NK wiring trough, Embossed thru holes, No knockouts, Screw cover, NEMA 3R, Steel, Plated screws, ANSI 61 gray, 16 gauge
Product Name
Eaton B-Line series wiring trough
Catalog Number
6636 GRT NK
UPC
782051661385
Product Length/Depth
36 in
Product Height
6 in
Product Width
6 in
Product Weight
16.357 lb
Certifications
CSA Certified UL Listed
Material thickness
16 gauge
Finish color
ANSI 61 gray
Closure type
Plated screws
Mounting method
Embossed thru holes
Special features
Cover is held secure by flange and plated screws
Type
GRT NK wiring trough
Feature → Business Impact → Application: 16 gauge steel construction provides robust mechanical strength and impact resistance, reducing the risk of damage during handling and installation and lowering replacement costs in harsh industrial environments; Application: suitable for coil and wire runs in control rooms, manufacturing floors, and outdoor panels. Feature → Business Impact → Application: ANSI 61 gray finish protects against corrosion and wear, preserving appearance and reducing repaint cycles in damp or dirty environments; Application: critical for manufacturer plants and city infrastructure projects. Feature → Business Impact → Application: embossed thru holes enable precise mounting alignment and consistent fastener placement, speeding up assembly and reducing field errors; Application: ideal for OEM assemblies and retrofit projects. Feature → Business Impact → Application: no knockouts design with a secure screw-covered closure increases enclosure integrity and weather resistance, improving compliance and reducing ingress risk; Application: outdoor enclosures and exposed wiring runs. Feature → Business Impact → Application: NEMA 3R rating confirms suitability for protected outdoor locations, enhancing lifecycle performance and reducing maintenance frequency; Application: enclosures adjacent to loading docks or outdoor equipment. Feature → Business Impact → Application: 6 by 6 by 36 inch size offers manageable routing for compact panels and modular installations, improving space utilization and scalability; Application: data centers, machine builds, and process automation panels.
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FAQs
The 6636 GRT NK uses embossed thru holes for aligned mounting and fast installation. Start by identifying a flat mounting surface, align the trough with existing mounting holes, and secure with plated screws. Ensure the cover flange seats flush and tighten screws evenly to maintain the NEMA 3R seal. This approach minimizes misalignment and reduces rework on live panels.
Yes. The GRT NK wiring trough is designed to integrate with Eaton B-Line series components, leveraging standard mounting patterns and embossed thru holes for quick cross-compatibility. This compatibility supports modular assemblies, simplifies upgrades, and reduces inventory variety while keeping consistent performance across enclosure systems.
The 6636 GRT NK carries CSA Certified and UL Listed certifications, which indicate conformance with recognized safety standards. These certifications support compliance with national electrical codes and facilitate safe use in industrial and commercial installations, helping you meet project specifications and streamline approval processes with inspectors and customers.
Its NEMA 3R rating specifies protection against rain, sleet, and typical outdoor exposure, while the ANSI 61 gray finish provides corrosion resistance on 16 gauge steel. The secure screw cover and flange design further prevent ingress, ensuring reliable operation in outdoor or damp locations and reducing maintenance calls.
The combination of durable 16 gauge steel, secure closure, and NEMA 3R protection reduces replacement and corrosion-related costs, while embossed thru holes speed installation and alignment, cutting labor time. Over the equipment lifecycle, users gain predictable maintenance intervals, fewer field adjustments, and lower total cost of ownership for wiring management.