Eaton B42A-120PLN Spot Weld - 12 Gauge Steel
Part Number: B42A-120PLN (SPOT WELD)
Quick Summary
The Eaton B42A-120PLN Spot Weld back-to-back welded channel provides durable support for electrical mounting in industrial facilities. Engineers frequently contend with misalignment and rail movement; the MIG-welded back-to-back design minimizes play and maintains precise alignment. Certifications for this part are Not Applicable, so project teams must address SIL, CE, or IP requirements in the surrounding system assembly. Designed for compatibility with the Eaton B-Line strut family, it enables fast retrofits, modular layouts, and predictable installation timelines, delivering value through reduced downtime and lower labor costs. This model is 12 in long, 1.625 in wide, and constructed from 12 gauge steel to handle steady loads indoors. It supports standard fasteners and mounting hardware used with B-Line channel, ensuring a smooth, scalable installation path.
Product Information
Extended Description
B42A-120PLN (SPOT WELD) Eaton: Eaton B-Line series strut back-to-back welded channel, 1" H x 120" L x 1.62" W, Steel, Plain, 12 Gauge
Product Name
Eaton B-Line series strut back-to-back welded channel
Catalog Number
B42A-120PLN (SPOT WELD)
UPC
781011247102
Product Length/Depth
12 in
Product Height
2 in
Product Width
1.625 in
Product Weight
29.36 lb
Certifications
Not Applicable
Channel type
B42
Special features
MIG welded
Finish
Plain
Material
Steel
Material gauge
12 Gauge
Channel and Combinations Catalog Section
Eaton Specification Sheet - B42A-120PLN (SPOT WELD)
Dura-Green finish overview
Feature MIG welded back-to-back channel geometry. Business Impact The robust welds create improved joint rigidity and reduced lateral movement, which translates to safer, longer-lasting installations. Application This is ideal for overhead or benchtop mounting in electrical rooms and control cabinets where precise alignment matters. Feature 12 gauge steel construction with plain finish. Business Impact The heavy-duty material supports substantial mounting loads while allowing on-site painting or coating to match environment requirements. Application Suitable for indoor facilities like factories and data centers where a clean, paint-ready surface is desired. Feature 12 inch length with 1.625 inch width and 2 inch height. Business Impact The compact footprint fits standard mounting footprints and aligns with common accessory components in the Eaton B-Line system. Application Great for retrofit projects and new builds that require modular framing around existing equipment. Feature Back-to-back channel (B42) compatibility and MIG weld features. Business Impact This design simplifies fastener routing and panel mounting, reducing install time and field adjustments. Application Perfect for rapid assemblies in automation or power distribution enclosures. Feature Cataloged as B42A-120PLN (SPOT WELD) with plain finish. Business Impact Clear part identification and a straightforward procurement path reduce sourcing risk and lead times. Application Supports consistent inventory and easier maintenance in large facilities.
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FAQs
The B42A-120PLN is designed to integrate with Eaton’s B-Line strut components. Its back-to-back welded geometry aligns with common channel spacings, allowing straightforward mounting using standard fasteners. This compatibility reduces need for adapters and minimizes field adjustments during retrofits or new installations.
Key specs include 12 inch product length, 2 inch height, 1.625 inch width, 12 gauge steel, and a plain finish. The channel uses MIG welding for back-to-back joints, resulting in robust rigidity suitable for indoor mounting in electrical and mechanical assemblies.
Yes, the MIG-welded back-to-back design provides enhanced rigidity that helps resist movement under vibration. For high-vibration environments, pair the channel with compatible anti-vibration mounts and secure fasteners to optimize long-term stability within the Eaton B-Line ecosystem.
Certifications listed for this part are Not Applicable. For projects requiring SIL, CE, or IP compliance, verify that the surrounding assembly, enclosure, or system components meet those standards, since the channel itself does not carry those marks.
The back-to-back MIG-welded channel delivers durable, vibration-resistant support with straightforward installation, reducing field labor time and replacement needs. Its compatibility with standard B-Line hardware enables rapid upgrades and scalable layouts, translating to lower lifecycle costs and improved uptime for installations.