Hold-open systems for hazardous areas / ATEX zones

In ATEX zones  it is not possible to use the normal hold-open systems.

We will be pleased to assist you in choosing the correct components and to elaborate a solution appropriate for your application.

General Information

RZ-24 Central Unit with Power Supply

for the Power Supply and Evaluation of the Fire Detectors

Explosion Proof Hand Switch

for Explosion-Proof Hold-Open Systems

RM/WM 3000IS EX Smoke and Heat Detector

for Use in Hazardous Areas

Zener Barrier Z779

Safety barrier for intrinsically safe smoke detectors in the hazardous area

Ex-proof Electromagnets Zones 2 and 22

for the Exclusive Use in Hazardous Zones 2 (gas) and 22 (dust)

Ex-proof Electromagnets with Connection Terminal Box

Encapsulated, for Hazardous Zones 1 and 2, 21 and 22

Ex-proof Electromagnets with Connection Cable

Encapsulated, for Hazardous Zones 1 and 2, 21 and 22

ATEX hold-open systems in the newly built storehouse for chemicals of the University Göttingen

The fire protection doors in the chemical store were equipped with DICTATOR hold-open systems which allows to leave the doors open and not to hinder the smooth flow of procedures by closed doors. DICTATOR designed the complete hold-open systems and also installed them. >> read more