Pfannenberg Ex-ATEX Catalog Page
P R O D U C T S V I S U A L S I G N A L I N G D E V I C E S
Ex-ATEX |
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EX |
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Alarm Devices IS-Mini |
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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.
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.
Models with alternative features available upon request
EX-ATEX ALARM DEVICES
IP 67 |
+60 °C |
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–40 °C |
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protection |
operating |
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system |
temperature |
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IS-mA1 IS-mB1 IS-mC1
PRODUCT |
IS-mA1 |
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IS-mB1 |
IS-mC1 |
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ARTICLE NO. |
32034800000 |
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ARTICLE NO. |
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31008804000 |
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32035804000 |
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ARTICLE NO. |
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31008805000 |
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32035805000 |
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DATA |
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Operating mode |
sounder |
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blinking light |
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blinking sounder |
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Operating range |
16–28 V |
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16–28 V |
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16–28 V |
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DC |
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DC |
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DC |
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Current consumption |
25 mA @ 24 V DC |
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25 mA @ 24 V DC |
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48 mA@ 24 V DC |
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typical for connection to 24 V DC via 28 V / 300 Ω zener barrier |
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Type of protection |
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“ia” inherently safe |
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Explosion protection |
II 1G EEx ia IIC T4 |
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II 1G EEx ia IIC T4 |
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II 1G Ex ia IIC T4 |
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Category (area of use) |
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1G (Zone 0, 1, 2) |
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Certificate of conformity |
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SIRA 05 ATEX2084 X |
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Temperature class T |
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T4 @ Ta –40 °C ... +60 °C |
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Sound pressure level |
100 dB(A) |
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100 dB(A) |
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Sound level reduction |
–20 dB |
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–20 dB |
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Alarm tones |
49 |
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49 |
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Light source |
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LED |
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Blinking rate |
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can be set to 2 Hz or 1 Hz |
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Max. viewing distance |
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52 m |
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Protection system |
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IP 65 |
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according to EN 60529 |
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Service life of light source |
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light emission still 70 % after 8,000,000 flashes |
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Material |
housing |
acrylonitrile butadiene styrene (ABS), self-extinguishing UL94VO & 5VA |
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lens |
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polycarbonate (PC) |
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Dimensions (X x Y x Z) |
88.7 x 99 x 95 mm |
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88.7 x 85 x 95 mm |
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88.7 x 116 x 95 mm |
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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 |
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#3126 |
Y |
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<![endif]>VISUAL SIGNALING DEVICES
IS-mB1 with other lens colours like amber | green | blue.
IS-mC1 with other lens colours like
amber | green | blue.
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