Light fire alarms

Series Orbita MK M S

Annunciators of the Orbita MK M S series are designed to give disturbing light signals in fire and security alarm systems, as well as to indicate equipment operation modes and attract the attention of personnel in emergency situations.

Annunciators can be used with any fire and burglar alarm control panels.Type and level of protection 1 Ex db IIC T 6 Gb / Ex tb IIIC T 85 ° C Db, PB Ex db I Mb/ 1 Ex db IIC T6 Gb/Ex tb IIIC T85 °C Db according to GOST R IEC 60079-0-2011 .Annunciators can be used in hazardous areas and rooms of classes 1 and 2 in accordance with GOST IEC 60079-10-1-2011 and GOST IEC 60079-14-2011.

The sirens differ in supply voltage:

• 12-27V DC;
• 220V AC.

Distinctive features:

• Fully sealed housing with IP67 degree of protection;
• two-stage notification with automatic or external control;
• independent programming by the user of the operating mode;
• increased brightness and large viewing angle of the light alert;
• a wide range of certified cable glands for any type of connection.

The posts are equipped with explosion-proof cable glands of the KV, KV series TU 27.33.13-138-81888935-2019.Connecting thread of cable glands M20x1.5.Cable glands allow you to enter and exit a round cable of various diameters

Operating modes

The operating mode is selected by the user independently using dip-switches.Single-stage or two-stage modes are available.The second stage is switched on automatically after a fixed time of 3 minutes, or by means of an external control voltage.The type of alarm signal is selected by the user independently for each stage using dip-switches.6 operating modes are possible: blinking with frequencies 0.5Hz, 1, 2, 3Hz; 70ms strobe flash at 1.3Hz; constant glow.In the "strobe" mode, the brightness is 2 times higher than the constant glow or flashing modes.

Designation system when ordering

1. - a series of detectors;
2. - notification type:
   • C - light;
3. - body material:
   • A - aluminum alloy;
   • H - corrosion-resistant steel 12X18H10T;
4. - fitting type:
   • B - for armored cable with a through diameter of 8 - 12 mm;
   • T3/4 - for laying a cable in a pipe with a connecting thread G3 \ 4-B, the diameter of the outer insulation of the cable is 8 - 12 mm;
   • T1/2 - for laying a cable in a pipe with a connecting thread G1/2-B, outer cable insulation diameter 8 - 10 mm;
   • K - for a cable for open laying with an outer insulation diameter of 8 - 12 mm;
   • KM15 - for a cable or armored cable in a RZ-TsKh-15mm metal hose;
   • KM20 - for a cable or armored cable in a RZ-TsKh-20mm metal hose.