3051125 Cembre 2158 MECHANICAL FIXING LUG

Cembre - Making the right connections (2158): Industrial-grade performance for demanding applications

Series 21 clamp terminals are made from brass and subjected to a nickel-plating process. The jumper has a mechanical clamping system with galvanized stainless steel screws in two-bolt or four-bolt versions. These clamp terminals are also available with bent jumper. Typical uses include control panels, switchgear, machinery and general electrical installations.

Key Features

• Series 21 clamp terminals are made from brass and subjected to a nickel-plating process. The jumper has a mechanical clamping system with galvanized stainless steel screws in two-bolt or four-bolt versions
• These clamp terminals are also available with bent jumper

Technical Specifications

• tipo: 4
• Number of clamping elements: 5
• Torque of the clamping element [nm]: M12
• Screw diameter: 23.5
• D [mm]: 23.5
• B [mm]: 11.75
• N [mm]: 16
• M [mm]: 8
• Centre distance between holes [mm]: 6
• Spanner size [mm]: 50 ÷ 50
• Range of cable cross section [mm²]: 57
• L [mm]: 8
• Conductor housing range [mm]: 25
• Unit in minimal packaging [pce]: 50

Applications

• Industrial panels and switchgear
• Machine and equipment labelling
• Control cabinets and facilities

• What is this product used for? Cembre - Making the right connections is used for its intended application in industrial and commercial panels, controls and assemblies. It helps installers achieve reliable, repeatable results with minimal rework.
• Is it compatible with common standards? Yes. It is designed to meet or support widely used industry requirements where applicable. Always check the technical table and datasheet for specific approvals.
• What else do I need to install it correctly? Refer to the technical table for sizing and accessory requirements. Use appropriate tools, conductor sizes and torque values recommended by the manufacturer.