ORBITA MK M Z <br /> 1ExdIIВT6Gb

Explosion-proof fire sounders
Series Orbita MK M-Z

Annunciators "Orbita MK M-Z" are designed to give disturbing sound signals in fire and security alarm systems, to attract the attention of personnel in emergency situations in production. Annunciators can be used with any fire and burglar alarm control and monitoring devices.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 have two stages of notification and different modes of operation independently for each stage.Switching the notification stage is carried out in one of two ways:

external control signal;
automatically - by timer.

The notification mode is set using a group of microswitches.

The sirens are produced with 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;
a wide choice of different types of sound notification independently for each step;
independent programming by the user of the operating mode;
high power sound 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

Table 1

Explosion protection marking

1 Ex db IIC T6 Gb/Ex tb IIIC T85 °C Db,
PB Ex db I Mb/ 1 Ex db IIC T6 Gb/Ex tb IIIC T85 °C Db

Sheath protection degree

IP67

Climatic performance

UHL1

Operating temperature range

-60С<Ta<+70С

Supply voltage:

Orbit MK M-Z

Orbita MK M-Z 220

10.8V - 27Vdc

~220V ^+10% _-15% ac 50Hz

Consumption current, no more:

Orbit MK M Z

Orbita MK M Z220

0.4Adc

0.1Aac

Sound pressure level

117±5 dB

Number of alarm stages

The number of beeps of each stage (seeSingle-stage or two-stage modes are available. The second stage is switched on automatically after a fixed time, or by means of an external control signal.The type of sound notification signal is selected by the user independently for each stage using dip-switches (Table 2).

Designation system when ordering:

ORBIT MK M	W	220	– A –	TO
one	2	3	4	5

Series of detectors;
Alert type:
- Z - sound;
Supply voltage:
- without designation - 12-27V;
- 220 - alternating voltage 220V;
Body material:
- A - aluminum alloy;
- N - corrosion-resistant steel 12X18H10T;
Fitting type:
- B - for armored cable;
- T3/4 - for laying a cable in a pipe with a connecting thread G3/4-B;
- T1/2 - for laying a cable in a pipe with a connecting thread G1/2-B;
- K - under the cable for open laying;
- 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.

ORBITA MK M Z <br /> 1ExdIIВT6Gb

Explosion-proof fire sounders Series Orbita MK M-Z

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Explosion-proof fire sounders
Series Orbita MK M-Z