General industrial active voice fire alarms ORBITA MK Z GRVA - OP - N and passive ORBITA MK Z GRVP - OP - N are designed to alert people about a fire by broadcasting previously recorded voice messages or sound signals. It can work in fire warning systems, emergency and technological warning systems, security alarms. It is recommended to use in rooms with an area of up to 50 m2.
The annunciator is made in accordance with the requirements of technical means of fire automatics in accordance with GOST R 53325-2012
The housing of the siren has a degree of protection IP65 from the external environment in accordance with GOST 14254-2015.
The annunciator can be operated in the climatic zone UHL1 in accordance with GOST 15150-69 in an atmosphere of type II in accordance with GOST 15150-69 in the temperature range from minus 60°С to plus 70°С.
The body material of the Annunciator is corrosion-resistant stainless steel 12X18H10T.
According to the method of protecting a person from electric shock according to GOST R 51350-90, the annunciator corresponds to class III.
In terms of electromagnetic compatibility, the siren complies with the requirements
GOST R 50009-2000 and NPB 57-97 for the second degree of rigidity.
The design of the Annunciator ensures their fire safety in accordance with GOST 12.1.004-91 and NPB 77-98.
The annunciator in non-operating condition (storage, transportation and during breaks in operation) complies with GOST 12997-84 and storage and transportation conditions 4 in accordance with GOST 15150-69.
The annunciators are equipped with two cable glands of the KV, KV series TU 27.33.13-359-81888935-2019. Connecting thread of cable glands M20x1.5. Cable glands allow you to enter and exit round cables of various diameters:
| Characteristics | Active | Passive |
| Sheath protection degree | IP65 | IP65 |
| Climatic performance | UHL1 | UHL1 |
| Operating temperature range | -60°С<Ta<+70°С | -60°С<Ta<+70°С |
| Sound pressure level during playback of a voice message at a distance of (1.00±0.05) m, dB, not less than | 80±5 | 80±5 |
| Frequency response unevenness in the frequency range from 500 to 8000 Hz, dB, no more | 16 | 16 |
| Rated voltage of the transmission network, V | 100 | 24 |
| Rated power, W | 10 | 10 |
| AC input impedance for connection to a 100V broadcasting network, not less than, Ohm | 2000 | |
| Cross section of connected wires | 0.5-2.5mm2 | 0.5-2.5mm2 |
| Overall dimensions without cable glands (ФхВ), no more | D150 x 103 mm | D150 x 103 mm |
| Weight, not more than: | 6 kg | 6 kg |
An example of a designation entry when ordering:
| ORBIT MK Z GRVA– OP – | AM | – N – | TO |
| 1 | 2 | 3 | 4 |
Downloads:
 | Light general industrial fire alarm "ORBITA MK Z GRVA-OP-N". |
| Light general industrial fire alarm "ORBITA MK Z GRVP-OP-N". |
