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Exd sound signaling device with an option of remote tone selection PGZ-REVUN4 (EMHS-12/MOD1)

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PURPOSE AND SCOPE OF APPLICATION

Sound signaling devices are applied in areas where sound signals for warning are required, as well as in areas with potentionally explosive atmosphere.

Explosion-proof sound signaling device PGZ-REVUN4 has an option of remote tone selection and is intended for continuous round-the-clock operation in a stand-by mode, for generating 4 types of signals (intermittent, two-tone, slowly rising and constant) in security, fire and other signaling systems.

By default, the device is supplied without mounting bracket. To add mounting bracket to the assembly, /SKOBA option must  be specified in the marking when ordering .

Terminal No Sound priority Sound Tone type
U1 1 (highest) Slowly rising
U2 3 Intermittent
U3 2 Two-tone
U4 4 Two-tone

Scope of application – outdoor and indoor hazardous areas and pits non-hazardous with gas or dust, as per explosion protection marking, GOST 30852.13-2002 (IEC 60079-14:1996), regulating application of electrical equipment in hazardous and non-hazardous areas at dangerous production facilities of I, II, III, IV hazard class supervised by Rostechnadzor and national technical supervision bodies of the CIS countries.