Panduit FRBC24X4LBL FiberRunner Fiber Routing Coupler 24-Inch x 4-Inch

Overview

The Panduit FRBC24X4LBL is a 24-inch by 4-inch (600mm x 100mm) fiber routing coupler from the Panduit FiberRunner® cable management line, engineered specifically for data centers and telco central offices where clean, code-compliant fiber routing is non-negotiable. This black polycarbonate/ABS coupler connects straight FiberRunner sections end-to-end, maintaining pathway continuity without pinching or stressing fiber — a problem that compounds fast in high-density racks where bend radius violations quietly degrade signal over time.

Sold individually (package quantity of 1) with a carton quantity of 5, the FRBC24X4LBL is sized to match standard 4-inch-wide FiberRunner trays, giving you a flush, mechanically secure joint at splice points along horizontal or vertical runs. At 4.96 inches overall height, the coupler sits within the structural envelope of the tray system without creating clearance conflicts with adjacent ladder rack or cable tray infrastructure.

Key Features

• 24-Inch Coupling Length (600mm): A 24-inch coupler span provides a generous overlap zone at section joints — longer than a short stub coupler — distributing mechanical load over more surface area and reducing the chance of the joint becoming the weak point in a tightly packed fiber run. In busy data center environments where technicians are regularly pulling new fiber alongside existing routes, that additional joint stability matters.
• 4-Inch Pathway Width (100mm): Matched to the 4-inch FiberRunner tray width, this coupler maintains consistent interior clearance across the joint. Mismatched couplers or improvised field splices create abrupt width transitions that funnel fiber into pinch points — this part eliminates that by keeping the pathway geometry uniform at every splice.
• Polycarbonate/ABS Construction: The PC/ABS blend delivers the impact resistance of polycarbonate with the processability and surface hardness of ABS. In a fiber routing system context, that means the coupler handles incidental tool contact and ladder-rack flex without cracking — relevant in telco central offices where the infrastructure above head height gets jostled during periodic cable additions.
• UL Listed to 2024 Optical Fiber Cable Routing Assemblies: UL 2024 is the specific listing for optical fiber cable routing assemblies, distinct from generic wiring duct listings. For data center projects with AHJ sign-off requirements or insurance-driven compliance documentation, a product carrying this listing removes the ambiguity that comes with unlisted alternatives. Specify it; get it through the inspection without a call.
• Telcordia GR-63-CORE NEBS Level 3 Compliant: NEBS Level 3 is the full seismic, thermal, and environmental qualification standard for network equipment in carrier-grade central office environments. If your project touches a telco CO or any carrier-grade facility that mandates NEBS compliance for passive infrastructure, the FRBC24X4LBL is already qualified — you are not filing a deviation or requesting an exception.
• RoHS Compliant: Meets the Restriction of Hazardous Substances directive, relevant for projects with sustainability requirements, government procurement checklists, or facilities with formal environmental management programs. It also signals material quality consistency at the manufacturing level.
• Black Color, Consistent Aesthetics: Matches standard black FiberRunner tray sections for a visually uniform cable management infrastructure — relevant in raised-floor data centers or open-bay telco rooms where inspectors, customers, and auditors regularly walk the floor. Mismatched gray or white couplers in a black tray system stand out immediately and invite questions you do not want to answer during a site walk.

Integration & Compatibility

The FRBC24X4LBL is designed for use within Panduit's FiberRunner cable management ecosystem, coupling 4-inch-wide FiberRunner tray sections. The 24-inch length accommodates standard section-to-section joints in both horizontal overhead runs and vertical riser configurations typical in data center white-space and telco CO backbone routing. The polycarbonate/ABS material is compatible with standard cable management hardware and does not require specialized fasteners — it integrates mechanically with existing FiberRunner fittings and support hardware already in place in most structured cabling deployments.

For projects planning full FiberRunner backbone routing, pair this coupler with Panduit FiberRunner fittings and accessories including elbows, tees, and drop-out fittings to complete a code-compliant, bend-radius-managed fiber pathway system without field fabrication.

What's in the Box

• 1x Panduit FRBC24X4LBL FiberRunner Fiber Routing Coupler (24-inch x 4-inch, Black)

Frequently Asked Questions

Q: What tray width does the FRBC24X4LBL couple?

A: The FRBC24X4LBL is designed for 4-inch-wide (100mm) FiberRunner tray sections. It is 24 inches (600mm) long and maintains the pathway width across the joint without creating a constriction point.

Q: Is the FRBC24X4LBL suitable for telco central office installations?

A: Yes. The FRBC24X4LBL is compliant with Telcordia GR-63-CORE NEBS Level 3 requirements, which is the full carrier-grade seismic, thermal, and environmental qualification for central office infrastructure. It is also UL Listed to UL 2024 Optical Fiber Cable Routing Assemblies.

Q: Is the FRBC24X4LBL RoHS compliant?

A: Yes. The FRBC24X4LBL meets RoHS (Restriction of Hazardous Substances) requirements.

Q: How many units come in a carton, and what is the package quantity?

A: The FRBC24X4LBL ships in a package quantity of 1 unit, with a carton quantity of 5. Order quantities of 5 are typical for project-scale procurement.

Q: What material is the FRBC24X4LBL made from?

A: The coupler is constructed from a polycarbonate/ABS blend, which provides impact resistance and surface durability suitable for data center and telco central office environments.

Q: What is the overall height of the FRBC24X4LBL?

A: The overall height is 4.96 inches (126mm), keeping the coupler within the structural envelope of standard 4-inch FiberRunner tray systems.