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Safety engineering

Logo IP 66 Logo Ex

Ex manual alarm call point

[Type dC31]

The manual call point, type dC31, was developed for explosion hazard areas, where gas or dust can cause an explosive atmosphere. The device provides a maximum security, without using a safety barrier. According to a free choice of different resistors, at a threshold alarm system, the detector can be used at several fire alarm systems. The impact resistant chassis is available on stock in five different colours. The easily replaceable glass panel consist of flat, colourless thin sheet glass.

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Technical  data
Storage temperature: -35°C – +60°C
Operation temperature: -20°C – +60°C
Casing enclosure: IP 66
Ignition protection class:    Logo Ex  II2G Ex emb IIC T6 Gb
 II2D Ex tb IIIC T80°C Db
Ex type approval:  BVS 09 ATEX E 016 X
Type approval: red VDS G 206113 / 0786-CPD-20309
yellow VDS G 207079 / 0786-CPD-20310
blue VDS G 207099 / 0786-CPD-20311
Rated voltage: 0,5 – 30 V
Rated current: In < 0,1A  /  Ik < 4,5A
Connection terminals: 0,08-2,5 mm²
Material: PC
Model Order no.
change over contact 55.11 _
threshold fire alarm system 55.13 _
red = 0 /yellow = 1 /blue = 2 /green = 3 /orange = 4          _
Metal key for front door 50.18001
Glass panel 10pc/PU 5111000.03.40B2

Spring button warning device available on request.

135 (length) x 135 (width) x 61 (height) mm

Cable gland:
2 x M20 x 1.5 (Ø 6-12 mm)

500 g