TUNNEL54 fire resistant junction boxes with terminal blocks are made in aluminium alloy and are suitable for ordinary and emergency lighting systems.
The fire resistance guarantees continuity of service at 850°C for 90 minutes according to standard IEC/EN 50362.
The radially clamped tear-proof cable glands in nickel-plated brass are IP68 rated and are fixed on threaded holes without the aid of the locknut. The minimum wall thickness is 3.5 mm. Grounding is ensured by the M6 screw terminal, both internally and externally.
TUNNEL54 Junction boxes with terminal blocks for single-pole and multi-pole cables from 6 sq mm to 70 sq mm, IP66