Optical Fiber Connection Box DeLOCK 85921

The Optical Fiber Connection Box DeLOCK 85921 is a compact enclosure for terminating and protecting fiber optic connections. It accepts up to four SC Simplex or LC Duplex connectors and is made from durable ABS material. The housing measures 80 mm (width) × 80 mm (depth) × 29 mm (height) and is intended for reliable fiber optic connectivity in installations requiring space-efficient protection.

Advantages

The box supports both SC Simplex and LC Duplex connector types, offers mounting openings for installation on flush-mounted and cavity wall boxes, and includes integrated clips for horizontal or vertical 35 mm DIN rail mounting. Its compact ABS construction provides mechanical protection and simplifies cable management in confined spaces.

Suitable for

• Indoor fiber optic terminations in residential and commercial premises
• DIN rail-mounted distribution in network cabinets and enclosures
• Small patching and splicing points where up to four fibers are required

Key specifications

• Brand: DELOCK
• Model / MPN: 85921
• EAN: 4043619859214
• Supported connectors: up to 4 × SC Simplex or LC Duplex
• Material: ABS
• Dimensions (W × D × H): 80 × 80 × 29 mm
• Mounting options: flush-mounted/cavity wall box openings, 35 mm DIN rail clips (horizontal and vertical)

How to use

Open the enclosure according to the manufacturer’s instructions, insert and secure SC or LC connectorized fiber pigtails or adapters into the provided ports, and route the fibers into the box while avoiding sharp bends. Fasten the housing to a flush-mounted or cavity wall box using the provided mounting openings, or clip it onto a 35 mm DIN rail horizontally or vertically. Close the enclosure to protect the connectors and fibers from dust and mechanical stress.

Recommendations

For best performance, handle fiber strands with proper fiber-optic tools, maintain minimum bend radii, and use appropriate adapters or pigtails compatible with SC or LC interfaces. Ensure mounting is secure and that the installation environment is free from excessive humidity or mechanical strain.