Junction box electro base TR-JB03-H-IN Ø126 mm × 36 mm, ceiling/wall mount

electro base TR-JB03-H-IN is a circular junction box with an outer diameter of 126 mm and a height of 36 mm, designed for secure ceiling and wall mounting. The compact housing provides a protected space for cable splices and connector blocks, enabling tidy cable routing for surveillance cameras and small electrical fixtures. Constructed for indoor use, the junction box supports straightforward integration into residential and commercial electrical installations.

Advantages

The junction box offers a compact profile suited to low-clearance installations while maintaining sufficient internal volume for cable connections and terminal blocks. Its round shape allows versatile positioning under domes and small housings, reducing visible wiring. The product is designed for reliable cable protection and strain relief, helping to minimize accidental disconnections and wear at connection points.

Suitable for

• Mounting and concealing connections for dome and bullet surveillance cameras
• Ceiling or wall installation of small lighting fixtures and sensors
• Organizing low-voltage and mains cable splices in indoor installations
• Use in residential apartments, office spaces, retail interiors, and public buildings

Key specifications

• Shape: circular
• Outer diameter: 126 mm
• Height: 36 mm
• Mounting type: ceiling and wall mount
• Material characteristics: rigid protective housing suitable for indoor electrical connections
• Capacity: accommodates camera base plates, terminal blocks and cable splices typical for small fixtures

How to use

Install the junction box at the chosen ceiling or wall location, mark and drill the fixing points, then secure the housing with appropriate screws or anchors for the substrate. Route incoming cables into the box through the entry points, make required splices or terminal connections inside the housing, and secure cable strain relief where applicable. After connections are completed and tested, close the box under the camera base or fixture, ensuring all wiring is tucked inside and the fixture is fastened according to its installation instructions.

Usage recommendations

Use compatible fasteners and wall anchors appropriate for the mounting surface and load. Ensure electrical work follows local regulations; disconnect power before performing splices. For humid or outdoor locations, select a junction box rated for outdoor use or provide additional sealing and protection; this unit is intended for indoor installations.