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These safety information / quick guide and the applicable digital operating manual
(original operating instructions) provide important safety information for protection against hazards.
Always read both documents thoroughly before using the device and retain them for future reference.
The digital operating instructions are available for download as a PDF file. Source: www.pfannenberg.com/manuals or
simply scan the adjacent QR code. You will need the item number of the device indicated on the type plate for the
download.
Danger source
Potentially explosive
atmosphere!
Regulations pertaining to
flame protection are disre-
garded.
DANGER - Indicates an unusually high-level hazardous situation. Non-compliance with this warning may result in serious
irreversible injury or death.
WARNING - Indicates an unusually high-level hazardous situation. Non-compliance with this warning may result in serious,
irreversible or fatal injury.
CAUTION - Indicates a hazardous situation. Non-compliance with this warning may result in minor or moderate injury.
04/2019
Safety information / quick guide
Danger
Degree of risk / Possible consequences / Countermeasures
DANGER – Explosive atmosphere!
➢ Do not open the device if a potentially explosive atmosphere may
be present!
➢ Wait 10 minutes for the electrical components to discharge after
switching off the operating voltage. The device should only be
opened afterwards.
DANGER – Observe special conditions (X):
X: The device is suitable for a low degree of mechanical hazard in
accordance with the requirements of EN 60079-0. This means:
➢ The device must be mounted protected from shock.
A protective basket is not absolutely necessary.
Electrostatic discharge!
Refer to the safety information in the operating manual to
prevent possible hazardous electrostatic discharges from the
housing surface in potentially explosive gas atmospheres:
➢ The device must only be wet-cleaned.
➢ Avoid unintentional and dry rubbing.
An installation height of > 2.50 m or comparable protective
measures is therefore suggested.
Vapor control:
➢ Check the seal of the device for cleanliness and damage pri-
or to assembly. Do not use devices with damaged seals.
➢ Only use approved cable glands.
The following cable glands have been tested:
Hummel HSK-K-Ex-Active, M20x1.5, EC type-examination
certificate BVS 14 ATEX E 025 X:
– Sealing range 7-12 mm, Hummel type No.: 1.292.2016.31
(factory-assembled and tested)
– Sealing range 10 – 14 mm, Hummel type No.:
1.292.2016.30
The device is designed for connection to permanently in-
stalled connection cables. The cable glands are suitable for
stationary cables and wires.
➢ Never operate the device outside the specified ambient tempera-
tures: T6: - 20 °C .... + 55 °C
➢ Never operate the device outside the specified voltage ranges
(observe type plate).
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