
DANGER
Risk of ignition
Failure to observe this information could result in a risk of ignition.
bThe type label on each individual explosion-proof enclosure contains information
on the device's hazardous area class and group. Every device that penetrates the
explosion-proof enclosure must be suitable for the environment in which the ex‐
plosion-proof enclosure is installed with regard to its hazardous area class and
group.
bFor North American installations:
Any conduit openings that are not in use must be sealed. Sealing fittings must
turn at least five (5) full revolutions and be at least 3.175 mm thick (1/8 of an
inch).
bConduit sealing fittings must be applied in each installed conduit run (located a
maximum of 457 mm (18 inches) away from the explosion-proof enclosure) in or‐
der to comply with the provisions of the most recent version of the National Elec‐
trical Code, Article 501.15 and/or 502.15, and all other applicable regulations.
bFor installations where the use of a cable gland is required, the cable gland must be
certified for 'd' and 'tb' locations.
The cover can be removed for maintenance in all approved classes, groups, and zones
except tb/IIIC, tb/IIIB, and tc/IIIC locations.
2.2 General safety notes
DANGER
Risk of ineffectiveness of the protective device
Persons or parts of the body to be protected are not recognized in case of non-observ‐
ance.
bPay particular attention to all warnings in the operating instructions.
WARNING
Risk of ineffectiveness of the protective device
Please observe the following information to ensure that you are using the explosion-proof
enclosure safely and correctly.
bNational and international regulations and guidelines must be observed when
mounting, using, and commissioning electrical devices as well as when carrying
out regular technical inspections in explosive environments. Article 500 of the Na‐
tional Electrical Code and ATEX Directive 2014/34/EU shall apply in particular. Manu‐
facturers and operators of machines using safety light curtains are responsible for
ensuring that all applicable safety regulations and guidelines are complied with.
bThese operating instructions must be made available to the operator of the ma‐
chine on which the explosion-proof enclosure is used. Qualified safety personnel
must instruct the operator in how to use the device. The operator must also be
directed to read and follow the operating instructions.
2 SAFETY INFORMATION
6O P E R A T I N G IN S T R U C T I O N S | Explosion-Proof Enclosure 8017163/1DVD/2023-05-19 | SICK
Subject to change without notice
NOTE
bContact SICK for more information on flameproof joints.