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SAFETY FEATURES & CAUTIONS
■ FLAMEPROOF APPROVAL
• CENELEC / ATEX
EC-Type Examination Certificate: DEKRA 13ATEX0058
II 2G Ex d IIC T5, T6 Gb
Zone 1
EN 60079-0: 2009
EN 60079-1: 2007
• Prior to installation, check that the safety class of this
unit satisfies the system requirements.
• Environmental temperature must be within the following
ranges depending upon the required temperature class.
T5 : -40°C ≤ Ta ≤ +80°C
T6 : -40°C ≤ Ta ≤ +70°C
• Use suitable heat resistant cable and cable gland for am-
bient temperatures ≥ 70°C
• Before wiring, make sure there is no danger of explosion
in the atmosphere.
• Before opening the enclosure, wait at least for 60 seconds
after the power is removed.
• The cable entry device and stopping plugs for unused ap-
ertures shall be of a certified flameproof type, suitable for
the conditions of use and correctly installed.
• The cable entry conduit is 1/2 NPT threaded or M20 × 1.5
threaded.
• Six or more cable entry threads must be engaged.
• Squeeze the cable entry and stopping plug into the con-
duit with the proper tool.
• Before turning the power supply on, be sure to close the
enclosure cover tightly and tighten the fastener as shown
in Figure 1 using a hexagon key wrench. When opening
the enclosure, loosen the fastener first.
Figure 1. Enclosure fastener
Fastener
Loosen
• DO NOT RUB the surface of the plastic enclosure with a
dry cloth. Electrostatic charge generated by the friction
may cause an explosion.
• Be sure to earth the unit.
• For external earthing or bonding connection a cable lug
shall be used so that the conductor is secured against
loosening and twisting and that contact pressure is main-
tained.
Hexagon Key
Wrench
Tighten
FXE-B
TNFFXEB-E
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