Eaton B321-1SS6 Beam Clamp - 1300 lb, cULus Listed
Part Number: B321-1SS6
Quick Summary
Eaton B321-1SS6 Beam Clamp provides secure mounting for B-Line strut channels across electrical and industrial installations. That design minimizes field adjustments and repetitive tightening, addressing common pain points of misalignment and lengthy installation. It carries a safety factor of 5 and is cULus Listed, signaling reliability in demanding environments. Designed for quick attachment to 3/8-16 threaded rods and standard beams, it supports up to 1300 lb while keeping installation costs predictable. This makes it suitable for data centers, manufacturing floors, and service bays where uptime matters. The product is compatible with Eaton Strut Systems catalog resources for planning and procurement.
Product Information
Extended Description
B321-1SS6 Eaton: Eaton B-Line series beam clamps, 1300 lb, Steel, Safety factor of 5, setscrew included, Beam clamp, 3/8”-16 thread/rod size, 3/8”-16 screw size, 1-11/16” beam thickness, Stainless steel type 316
Product Name
Eaton B-Line series beam clamps
Catalog Number
B321-1SS6
UPC
782051468403
Product Length/Depth
3.25 in
Product Height
3.5625 in
Product Width
0.625 in
Product Weight
1.87 lb
Certifications
cULus Listed
Beam thickness
0.313 in
Set screw size
3/8”-16
Special features
Safety factor of 5, setscrew included
Thread/rod size
3/8”-16
Type
Beam clamp
Load capacity
1300 lb
Material
Steel
Feature: The B321-1SS6 beam clamp provides a 1300 lb load rating with a safety factor of 5, delivering reliable support for heavy fixtures. Business impact: This reduces the risk of clamp slippage, minimizes rework after commissioning, and improves uptime in critical electrical and mechanical installations. Application: It is designed for Eaton B-Line strut systems and accepts 3/8-16 thread/rod hardware, making it a straightforward addition to existing racks and channels. Real-world context: Engineers report faster alignment and secure mounting when a setscrew is included as standard. Feature: Setscrew included simplifies on-site fastening and ensures consistent clamping force. Business impact: Fewer loose fittings mean less maintenance and more predictable performance over the lifecycle. Application: Ideal for overhead supports in data centers, manufacturing floors, and service bays where quick installation matters. Compatibility note: Works with standard 3/8-16 screwed rods and beams up to 0.313 in thickness, reducing custom fabrication needs. Feature: Precise compatibility with a 0.313 in beam thickness ensures solid clamping. Business impact: Consistent clamping torque yields repeatable support across assemblies. Application: Suitable for indoor electrical installations and cable tray tie-ins within Eaton strut frameworks. Feature: Steel construction delivers structural strength and durability. Business impact: Reduced replacement cycles in busy facilities and improved long-term reliability. Application: Indoor applications across manufacturing, data centers, and service bays where dependable overhead support is critical. Certification and documentation: cULus Listed certification verifies compliance with North American electrical safety. Business impact: Streamlines procurement and audit processes for code-compliant installations. Application: Widely used in facilities with strict safety requirements and standardized mounting practices. ROI/maintenance: High-load capacity plus included hardware translates to faster installs, lower labor costs, and fewer field adjustments over the life of the system.
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FAQs
The B321-1SS6 is designed for Eaton B-Line strut systems and accepts 3/8-16 thread/rod hardware. It clamps onto beams with a 0.313 in thickness and is intended for use with common 3/8-16 fittings, making it straightforward to integrate into existing installations without special adapters.
This beam clamp offers a 1300 lb load rating with a safety factor of 5. In practice, this provides robust retention for overhead fixtures, reducing the risk of loosening during vibration or dynamic loading and improving uptime in critical facilities.
The current data specifies steel construction and cULus listing, with no explicit IP rating. For outdoor or corrosive environments, verify coating or consider stainless options or protective finishes. Consult Eaton for environmental ratings and recommended alternatives if needed.
The B321-1SS6 is cULus Listed, aligning with North American electrical safety requirements. This designation supports code-compliance workflows and simplifies supplier qualification during audits and project approvals.
With a setscrew included and a straightforward 3/8-16 mounting interface, installation is faster and less error-prone. The 1300 lb rating and safety factor of 5 reduce rework and maintenance needs, delivering a lower total cost of ownership over the system’s lifecycle.