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Identification
II 3G Ex nA IIC T4 Gc X
II 3D Ex tc IIIC T125 °C Dc X
-10 °C ≤ Ta ≤ 50 °C IP65
Characteristics and applications that are derived from the ATEX identification are
explained in the following table:
Table 1: ATEX identification legend
Marking
Features and applications
Ex
According to ATEX directive
3D or Dc
Dust explosion protection, category 3D: use in zone 22
3G or Gc
Gas explosion protection, category 3G: use in zone 2
nA
Ignition protection type: non-sparking devices
tc
Ignition protection type: Protection via housing, equipment protection
level tc (according to EN 60079-31)
IIC
Gas explosion protection, suitable for explosion group IIC
Typical gas: Hydrogen
Ignition energy: < 60 µJ
IIIC
Dust explosion protection, suitable for explosion group IIIC: Equipment
group for conductive dust
T125 °C
Dust explosion protection, max. permissible surface temperature:
≤ 125 °C
T135 °C
Dust explosion protection, max. permissible surface temperature:
≤ 135 °C
T4
Temperature class 4
Ignition temperature of flammable material: > 135 °C
Permissible surface temperature: ≤ 135 °C
IP65
Degree of protection against dust (6) and water penetration (5)
X
Special features – see application areas in the operating instructions
5.3.1 Special features
ATEX identification contains feature "X"
Products that have an "X" in the ATEX identification are designed for protection
class IP65. The following safety measures must be observed in adverse ambient
conditions for this product:
• Without additional mechanical protection, installation is only permitted in ar-
eas with a low risk of mechanical danger (according to EN 60079-0, 26.4).
• Installation of the plug connector is only permitted in light protected installa-
tion location.
• Protection class IP65 can only be attained if the end device (base device, coil,
and electrical connector) is fitted properly. Only use the provided seal. Ob-
serve the specified torque when tightening the mounting screw.
• Isolation of the plug connector from the end device is only permitted when
not under voltage.
AVENTICS™ CO1 | R499050034-BAL-001-AI | English
Explanation
ATEX identification for a solenoid coil with
electrical connector without additional elec-
trical devices
5.4 Product overview
3
2
1
Fig. 1: Device overview
1 Electrical connector
3 Center screw M3x33.5
5 Thrust ring
7 Connection terminal
9 Seal
11 Recess (on bottom)
+/ ~
–/ ~
Fig. 2: Circuit diagram
6 Assembly and installation
Before you start with the installation: Familiarize yourself with the basic specifica-
tions for assembly as early as possible in advance: see sections g 6.1. Planning
and g 6.2. Preparation.
6.1 Planning
In the following, you will read which basic requirements must be met so that you
can successfully and safely assemble the product.
Do not carry out the preparation and installation steps until you have successfully
completed the planning.
6.1.1 Basic requirements
The following specifications apply to the assembly of all products.
Installation conditions
• Observe the installation conditions: see section g 6.1.3. Installation condi-
tions.
Ambient conditions
• Only use the product in non-aggressive industrial atmospheres (explosion
protection). Only then can explosion protection be guaranteed.
• If the ambient air contains aggressive substances: Get in touch with our con-
tact address to determine whether use of the product is still possible (contact
data: see back cover).
• Let the product acclimatize for a few hours before installation. Otherwise wa-
ter may condense in the housing.
4
5
6
7
8
9
10
11
2 Seal
4 Cable sealing ring
6 Cable guide screw M16x1.5
8 Electrical connector insert
10 Solenoid coil
1
2
14
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