Detailed illustration hinge
Detailed illustration hinge


Tunnel Electro Distribution Box with Hinge and Screw Cap

Installation of electrical connecting elements

Especially suitable for road tunnels

Empty metal housing



  • 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
  • PRIORIT Bauteile und Verbundstoffe sind inklusive Oberfläche geprüft und klassifiziert nach EN 13501-1: nichtbrennbarer Baustoff der Klasse A2 – s1, d0


Distribution box as empty case for the installation of electric connections and safety fuses. This casing is designed specifically to guarantee the maintenance of performance function of safety-relevant electrical systems in road tunnels according to RABT and for the star-shaped wiring, connection and fusing electrical installations as required for the maintenance of performance. Design according to DIN 4102, Directive 2004/54/EG, RABT, ZTV-ING Part 5.

Hinged cover

Cable entry IP 65


  • Fire resistance 90 minutes: fire-resistant
  • Classification: suitable for the maintenance of performance of electrical installations up to 90 minutes.
  • Safety class I
  • Protection rating in accordance with IP 65
  • Stable against pressure / suction up to 1000 Pa


  • Metal empty case made of stainless steel 1.4571 for mounting to a solid wall or solid ceiling
  • Use enclosed cable tie mounts to fasten to outside mounting brackets
  • Cable entry via cable gland on the opposite side
  • Cable compartments automatically expand in the event of a fire
  • Direct and easy attachment of installation components on the integrated mounting plate
  • Casing cover connected with hinges
  • Locking via two exterior quick coupling pieces
  • Inside is a sufficiently dimensioned connection point for on-site equipotential bonding

Cover with quick coupling piece

Material characteristic

  • Non-combustible board with surface coating, classification A2 – s1, d0
  • Metal casing made of stainless steel 1.4571
  • Cable tie mount made of stainless steel 1.4529

Dimension drawing

zeichnung prioelec er tun

Scope of delivery

  • Distribution box
  • Cable entry
  • Mounting plate
  • Mounting hardware for wall mounting and ceiling suspension
Catalogue excerpt
Text for tender PRIOELEC ER TUN
Montageanleitung PRIOELEC ER TUN - Deckel verschraubt
Montageanleitung PRIOELEC ER TUN - Deckel beweglich

ausfuehrung standard draufsicht
Standard design TUER, top view

ausfuehrung mit trennsteg optional
Optional with separating strip, top view

ausfuehrung mit trennsteg optional seitenansicht
Optional with separating strip, side view

  • F 90 separating strip to form two EI 90 compartments
  • Special sizes, custom-made products, provisions for larger cross sections on request