Explosion-proof light annunciator OS-Exm-Prometheus - is used as a means of light warning in fire alarm and fire extinguishing systems in explosive zones of classes "1" and "2" of closed objects and open installations
Explosion-proof light annunciator OS-Exi-Prometheus - is used as a means of light warning in fire alarm and fire extinguishing systems in explosive zones of classes "0", "1" and "2" of closed objects and open installations
Annunciator housing material:
OS-Exm-Prometheus - ABS plastic;
OS-Exm-M-Prometheus - Galvanized steel;
OS-Exm-N-Prometheus - Stainless steel;
OS-Exi-Prometheus - ABS plastic;
OS-Exi-M-Prometheus - Galvanized steel;
OS-Exi-N-Prometheus - Stainless steel.
The high degree of protection of the IP66/IP68 shell of the sirens ensures the use in conditions of heavy dustiness, in damp and damp rooms, in open areas with wind and precipitation.
The power supply voltage of the sirens is from 12 to 36 V DC or from 12 to 28 V AC (selected when ordering)
Operating temperature from -60 to +85 ºС
Turns on when power is applied
Permanent connection. Switching to the "Alarm" mode when a control signal is received
Type of explosion protection
Exm or Exi
The degree of protection by the shell according to GOST 14254
ATTENTION. For the execution of sirens in metal, it is necessary to indicate the model of cable glands and additionally purchase the "Locknut". Be sure to specify cable glands and locknuts when making a specification and ordering equipment. Cable glands and locknuts are not included in the price of the equipment. Full information on cable glands is available on the CABLE Gland page of our website. If you have any questions about the correct selection of the type of cable gland, you can contact the technical support service by phone.
The siren complies with the standards for resistance to radio and electromagnetic interference group 4
The light signal of an explosion-proof annunciator is clearly distinguishable from a distance of 15 meters in outdoor illumination up to 500 lux
Light flashing frequency 1 Hz
User selection of the siren state in different modes:
in the "Standby" mode, the state of the light emitter: off or constant glow
in the "Fire" mode, the state of the light emitter: constant glow or flashing
Possibility to control the power supply loop of the siren via the control loop
Galvanic isolation of power circuits and control circuits of the siren
The warranty period of is 18 months from the date of commissioning, but not more than 24 months from the date of manufacturing.