
PRODUCTS VISUAL SIGNALING DEVICES
Ex-ATEX
Alarm Devices IS-Mini
Intrinsically safe signalling
Choose from audible, visual, or combined
audible-visual alarms for hazardous areas.
Zones 0, 1 and 2
Certified for use in Ex zones 0, 1 and 2
when used with a certified zener barrier or
galvanic isolator.
Effective alarming
Choice of 100 dB(A) sounder, blinking LED
array, or both.
Compact design
Permits versatile installation in practically
any space.
Audible notification
Choice of 49 unique alarm tones with three stages
of tone control for distinctive signalling of specific
events. Audible signals are synchronised across
multiple units connected in series. Volume control
adjusts output level to fit the signalling space
required.
EX
Low power consumption
Ideal for use as a notification appliance
in fire alarm systems.
Signal control
Sounder and blinking light can be
independently controlled.
Visual notification
Choice of yellow/amber, red, green
or blue LEDs with selectable blinking
frequency of 1 or 2 Hz.
Wide range
of operating temperatures from –40 °C
to +60 °C.
Zener barriers
To achieve intrinsically safe operation,
units must be connected with a zener
barrier or galvanic isolator. See accessory pages for available models.
EX-ATEX ALARM DEVICES
IP 67
protection
system
PRODUCT IS-mA1 IS-mB1 IS-mC1
ARTICLE NO. 32034800000
ARTICLE NO.
ARTICLE NO.
DATA
Operating mode sounder blinking light blinking sounder
Operating range
Current consumption
Type of protection “ia” inherently safe
Explosion protection II 1G EEx ia IIC T4 II 1G EEx ia IIC T4 II 1G Ex ia IIC T4
Category (area of use) 1G (Zone 0, 1, 2)
Certificate of conformity SIRA 05 ATEX2084 X
Temperature class T T4 @ Ta –40 °C ... +60 °C
Sound pressure level 100 dB(A) 100 dB(A)
Sound level reduction –20 dB –20 dB
Alarm tones 49 49
Light source
Blinking rate can be set to 2 Hz or 1 Hz
Max. viewing distance 52 m
Protection system
according to EN 60529
Service life of light source light emission still 70 % after 8,000,000 flashes
Material
Dimensions (X x Y x Z) 88.7 x 99 x 95 mm 88.7 x 85 x 95 mm 88.7 x 116 x 95 mm
+60 °C
–40 °C
operating
temperature
IS-mB1 IS-mC1IS-mA1
31008804000 32035804000
31008805000 32035805000
16–28 V 16–28 V 16–28 V
DC DC DC
25 mA @ 24 V DC 25 mA @ 24 V DC 48 mA@ 24 V DC
typical for connection to 24 V DC via 28 V / 300 Ω zener barrier
LED
IP 65
housing acrylonitrile butadiene styrene (ABS), self-extinguishing UL94VO & 5VA
lens
polycarbonate (PC)
VISUAL SIGNALING DEVICES
Models with alternative features available upon request
IS-mB1 with other lens colours like
amber | green | blue.
IS-mC1 with other lens colours like
amber | green | blue.
Power must be connected via a zener barrier (max. 28 V DC, 93 mA DC, 0.66 W) or a galvanic isolator, specified by the system certificate (see page 63).
Z
Webcode
#3126
Y
X