UNEX 31101-04 U23X Cable Trunking Base Part, Light Grey RAL 7035, 100x40mm, 2m

With a dielectric strength of 30 kV/mm and glow-wire resistance up to 960 °C, this UNEX U23X base part is built to keep cable management safe and reliable in demanding electrical installations. The light grey RAL 7035 PVC profile measures 100 mm wide and 40 mm high, supplied in a 2-meter length for continuous runs.

Overview

The UNEX 31101-04 is a single-compartment cable trunking base part from the U23X series. It is designed for surface mounting on walls or ceilings, providing a robust channel for routing and protecting cables in commercial and industrial environments. The pre-drilled screw holes simplify installation, and the PVC material offers a balance of rigidity and impact resistance.

What stands out

• Self-extinguishing PVC with glow-wire test temperature of 960 °C for enhanced fire safety.
• High dielectric strength of 30 kV/mm ensures electrical insulation integrity.
• Light grey RAL 7035 finish blends with standard electrical enclosures and office décor.
• Pre-drilled mounting holes allow quick screw fixing without additional drilling.
• Compatible with U23X lids and accessories for a complete trunking system.

Technical details

• Product type: Cable trunking base part
• System/Series: U23X
• Material: PVC (Polyvinyl Chloride)
• Colour: Light grey (RAL 7035)
• Width: 100 mm
• Height: 40 mm
• Length: 2000 mm (2 m)
• Number of compartments: 1
• Halogen-free: No
• Self-extinguishing: Yes
• Glow-wire test temperature: 960 °C
• Dielectric strength: 30 kV/mm
• Operating temperature range: -5 to +60 °C
• Protection class (with lid): IP40
• Mounting type: Screwable (pre-drilled holes)

Our verdict

For electricians and panel builders who need a dependable trunking base with proven fire and electrical safety ratings, the UNEX 31101-04 delivers. Its 2-meter length and screw-mount design make it a practical choice for both new installations and retrofits.