Eaton B312-12ZN Beam Clamps - cULus Listed, Retaining Strap
Part Number: B312-12ZN
Quick Summary
Eaton B312-12ZN beam clamps securely anchor B-Line beam supports in industrial electrical installations. Installers often struggle with compatible hardware that fits standard 12.75 in flanges without sacrificing speed or safety. These clamps carry cULus Listed certification and feature a retaining‑strap design for stable loads, paired with a steel body and electro‑plated zinc finish for corrosion resistance. For procurement teams, the 15 in length, 6 in width, and 0.25 in height simplify stocking and site planning, while compatibility with B303–B309 and B321 clamps reduces part variety and accelerates project timelines.
Product Information
Extended Description
B312-12ZN Eaton: Eaton B-Line series beam clamps, Steel, Used with (B303...B309 and B321) beam clamps, Retaining strap, 14, 12-3/4" flange width, Electro-plated zinc
Product Name
Eaton B-Line series beam clamps
Catalog Number
B312-12ZN
UPC
781011530631
Product Length/Depth
15 in
Product Height
0.25 in
Product Width
6 in
Product Weight
0.4 lb
Certifications
cULus Listed
Beam/flange width
12.75 in
Special features
Used with (B303...B309 and B321) beam clamps
Type
Retaining strap
Material
Steel
Compatibility with B303–B309 and B321 beam clamps reduces the number of parts needed on site, which simplifies procurement and accelerates installation. The business impact is lower inventory risk and faster commissioning of overhead support runs for luminaires, fixtures, and mechanical components in strut-channel systems. This compatibility supports standardized installation practices and minimizes field errors, especially in multi-project environments where consistency matters. The result is faster deployment, reduced training time for technicians, and an overall decrease in total cost of ownership for commercial and industrial facilities. This feature is particularly valuable in retrofit projects where existing B-Line components are reused to maintain consistency and performance.
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FAQs
Yes. The B312-12ZN is designed as a retaining-strap beam clamp compatible with Eaton B-Line beam clamps B303 through B309 and B321. This reduces part proliferation on job sites and allows engineers to standardize mounting points across multiple sections of a strut channel installation, speeding up procurement and field assembly while maintaining alignment accuracy.
The clamp measures 15 inches in length, 6 inches in width, and 0.25 inches in height, with a nominal weight of 0.4 pounds. The flange width compatibility is 12.75 inches, and the unit is fabricated from steel with an electro-plated zinc finish, enabling straightforward handling and precise planning for overhead installations.
The B312-12ZN carries cULus Listed certification, indicating compliance with recognized safety standards for wiring systems and supporting hardware. This certification helps reduce risk during inspection and aligns with common electrical safety requirements in commercial and industrial facilities, facilitating smoother project approvals and long-term reliability.
Typical applications include mounting luminaires, fixtures, and other overhead equipment to strut channels in commercial, industrial, and data center environments. Its retaining-strap design and compatibility with B-Line clamps support secure, vibration-resistant supports for lighting, cable trays, and mechanical services while enabling standardized layouts across multiple bays.
The retaining-strap feature provides a positive, detachable grip that resists loosening under dynamic loads and vibration common in overhead installations. This design simplifies field maintenance and inspection, reduces the likelihood of fixture drop or misalignment, and supports longer service intervals with consistent load retention across the beam flange.