Tunnel Electro Terminal Box with Equipment

With equipment

Specially manufactured for use in road tunnels

  • Geprüft entsprechend deutscher Industrienorm
  • PRIORIT Bauteile sind druck- und sogstabil bis 1000 Pa
  • Geprüft entsprechend harmonisierter europäischer Norm
  • PRIORIT Bauteile für Verkehrstunnel entsprechen den gesetzlichen und technischen Anforderungen
  • Baustoffe/Bauteile und/oder Bauarten mit allgemeinem bauaufsichtlichem Prüfzeugnis (abP) oder allgemeiner bauaufsichtlicher Zulassung (abZ) . Die Herstellung der Produkte wird bauaufsichtlich überwacht.
  • PRIORIT Produkte sind geeignet zur Herstellung einer Feuerwiderstandsfähigkeit von 90 Minuten


Fire protection cabinet as terminal box with equipment for installation with 90 minutes maintenance of performance. The terminal box is specifically designed for use in road tunnels in order to
– guarantee the maintenance of performance of safety-related electrical systems such as emergency lighting and smoke clearance
– allow feed-through and branch wiring of maintenance-of-performance cables
– allow selective activation of individual power consuming devices such as fire emergency lights via fused branch connections.

Designed according to DIN 4102, Directive 2004/54/EG, RABT, ZTV-ING Part 5.


  • 90 minutes fire resistance: fire-resistant strip terminals
  • Classification: 90 minutes maintenance of performance
  • Safety class I
  • Protection rating in accordance with IP 65
  • Stable against pressure / suction up to 1000 Pa


  • Cable entry from 3 sides
  • Mounting plate with up to 15 fire-resistant, live modular terminals up to 16 mm² and optional microfuse terminal
  • Terminal design for 3-phase feed-through wiring (L1, L2, L3, N, PE) with branch connections up to 6 mm2 with clamp arch
  • Mounting to wall/ceiling through bottom of casing via enclosed and approved cable tie mounts

Material characteristic

  • Casing made of impact resistant, chemically highly stable plastic according to RABT and ZTV-ING Part 5
  • Colour light grey, similar to RAL 7035
  • Mounting plate made of galvanized sheet steel
  • Cable tie mount made of stainless steel 1.4529

Scope of delivery

  • Terminal box with assembled mounting plate
  • Threaded cable connectors (1 x M 32; 2 x M 40)
  • Mounting hardware for wall mounting and ceiling suspension
Catalogue excerpt
Text for tender PRIOELEC EK TUN

zeichnung prioelec ek tun mb

prinzipschaltbild prioelec ek tun mb