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ENTRELEC is one of the leading manufacturers of terminal blocks with over 50 years’ experience. ENTRELEC SNK and SNA terminal blocks; SNK terminal blocks use spring technology, and the SNA range uses screw terminals.  The growing ENTRELEC product line are available in a variety of different styles. Dalroad is an approved distributor or ENTRELEC products the range available includes feed through terminals, double deck terminals ground terminals, fuse terminals, three level sensor terminals and ENTRELEC terminal blocks.



ENTRELEC terminal blocks are available in multiple colours for easy circuit identification, and single, double deck and triple deck for maximum power distribution flexibility.

DIN Rail terminal blocks provide users with a way to distribute power and signal on a DIN rail system.

To distribute power and signal, terminal blocks are needed, one of the largest connection offering on the market, ENTRELEC terminal blocks benefit from the best connection. Offering a solution for all connection challenges, Entrelec connection capacity is from 0.22 to 300 mm² (22AWG to 1000kcmil).

Terminal blocks

PI-Spring (Push-in and spring) technology

Pluggable technology

Screw clamp technology

Spring loaded screw clamp technology

Spring technology

Stud technology



Building industry – The installation terminal blocks are largely used in distribution cabinets of public buildings.  Save space in cabinets with ENTRELEC’s compact design and multi-level terminal blocks.


Railway industry – ENTRELEC provides the most extensive block range and solutions for rolling stock and railroad infrastructures. The range is compliant with international railway standards and the wiring time is reduced by up to 80% thanks to the combination of pluggable function and PI-Spring or ADO System® technologies.


Solar Industry  – The ENTRELEC SNK terminal block range is suited for use in the solar industry; offering up to 1500 VDC and their multiple connection’s technologies (PI-Spring, screw and pluggable).



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