JB-EX-25/35MM2 high load junction box for trace heating cables


Fibre glass re-enforced high load junction box for nVent PYROTENAX MI trace heating units. This junction box is used to make reliable connections between cold lead cables and a power cable for all units equipped with M25 glands.

The JB-EX-25/35MM2 has 6 entries to enable tri-phase connections and allows for a load of 100A in any configuration (star and delta).

The box is intended for wall mounting.

Key features and benefits:

  • Easy installation and maintenance
  • Highly reliable, as fully tested in combination with heating cables
  • Compatible with power cables and cold leads with cross sections up to 35 mm²
  • Approved for use in hazardous areas

Technical Specifications

Entries6 x M25, 1 x M40
Terminals4 x 35mm² (1 PE), 2 x 10mm² (2 PE), screw terminals
Max operating current100 A
Dimensions (mm)160 x 260 x 90
Internal earth plate and earth studNo
Approved for use in hazardous areasYes

For additional information, refer to the product datasheet.


Connection and Protection