SFERA МК <br> 1ExdIIBT6Gb

The board is designed to provide the possibility of supplying light (text or symbolic), sound alarms in fire alarm and fire extinguishing systems when working together with receiving and control devices.The display can be equipped with a backup power source - a battery, which makes it possible to generate an alarm signal after the power supply is cut off. The display can be used in hazardous areas and rooms of classes 1 and 2.

Equipment name	Sphere MK (Set 1)	Sphere MK (Set 2)	Sphere MK (Option 3)
Power supply from a voltage source	DC =12-30V	AC ~220 V	DC =12-30V	AC ~220 V
Maximum current consumption	0.2 A	0.24 A	0.26 A	0.12 A

Type and level of explosion protection of the siren	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, 1 Ex db IIB T6 Gb/Ex tb IIIB T85 °C Db, PB Ex db I Mb/ 1 Ex db IIB T6 Gb/Ex tb IIIC T85 °C Db
Degree of protection of the shell	IP67
dimensions	Aluminium alloy	345x175x57 mm
	Stainless steel	347x204x83 mm

Lettering size	Not less than 250x95 mm		Not less than 161x95 mm
The alarm light signal of the siren is distinctly distinguishable when it is illuminated (Sirens)	Up to 500 lux
Sound pressure at 1.00 m			Not less than 105±5 dB
Working mode	Continuous, intermittent with a frequency of 0.5-1.5 Hz		Continuous, intermittent with a frequency of 0.5-1.5 Hz, Sound type Siren / Horn, Separate control
Weight	Not more than 5.5 kg		Not more than 5.7 kg
Temperature range	-60°C…+70° C
Material	Aluminum alloy or stainless steel

Equipment name	Sfera MK R (Set 1)	Sfera MK R (Set 2)
Power supply from a voltage source	DC =12-30V	AC ~220 V
Maximum current consumption	0.26 A	0.18 A

Type and level of explosion protection of the siren	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, 1 Ex db IIB T6 Gb/Ex tb IIIB T85 °C Db, PB Ex db I Mb/ 1 Ex db IIB T6 Gb/Ex tb IIIC T85 °C Db
Degree of protection of the shell	IP67
dimensions	345x175x57 mm
Lettering size	Not less than 250x95 mm
The alarm light signal of the siren is distinctly distinguishable when it is illuminated (Sirens)	Up to 500 lux
Battery Life	3 hours
Battery Charging Time	24 hours
Weight	Not more than 5.5 kg
Temperature range	-40°C…+50° C
Material	Aluminium alloy

The board is supplied with two cable glands of various designs and a plug:

For open laying of the attached cable with a diameter of 6.5-13.9 mm (index in the designation K)
For laying the attached cable in a G1/2 pipe (index in designation T1/2)
For laying the attached cable in a G3/4 pipe (index in designation T3/4)
For connecting an armored cable with an outer diameter of 12.5-20.9 mm (index in designation B)
For laying a cable in a metal hose with a metal hose diameter: 10 mm, 15 mm, 20 mm, (index in the designation KM10, KM15, KM20)

SFERA МК <br> 1ExdIIBT6Gb

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