Instruction Manual
1. Marking
Inductive sensor
NJ2-11-N-G-10M
ATEX marking
1
II 1G Ex ia IIC T6...T1 Ga
1
II 1G Ex ia IIC T6...T1 Ga
1
II 1D Ex ia IIIC T
200
135°C Da
IECEx marking
Ex ia IIC T6...T1 Ga
Ex ia IIC T6...T1 Ga
Ex ia IIIC T
200
135°C Da
Ex ia I Mb
Fuchs Group
Lilienthalstraße 200, 68307 Mannheim, Germany
Internet: www.pepperl-fuchs.com
2. Validity
Specific processes and instructions in this instruction manual require
special provisions to guarantee the safety of the operating personnel.
3. Target Group, Personnel
Responsibility for planning, assembly, commissioning, operation,
maintenance, and dismounting lies with the plant operator.
The personnel must be appropriately trained and qualified in order to carry
out mounting, installation, commissioning, operation, maintenance, and
dismounting of the device. The trained and qualified personnel must have
read and understood the instruction manual.
4. Reference to Further Documentation
Observe laws, standards, and directives applicable to the intended use
and the operating location. Observe Directive 1999/92/EC in relation to
hazardous areas.
The corresponding datasheets, manuals, declarations of conformity, EU-
type examination certificates, certificates, and control drawings if
applicable (see datasheet) are an integral part of this document. You can
find this information under www.pepperl-fuchs.com.
For specific device information, scan the QR code on the device or enter
the serial number in the serial number search at www.pepperl-fuchs.com.
Due to constant revisions, documentation is subject to permanent change.
Please refer only to the most up-to-date version, which can be found under
www.pepperl-fuchs.com.
5. Intended Use
The device is only approved for appropriate and intended use. Ignoring
these instructions will void any warranty and absolve the manufacturer
from any liability.
Technical data provided in the datasheet may be partly restrained by the
information given in this instruction manual.
Use the device only within the specified ambient and operating conditions.
The device is an electrical apparatus for hazardous areas.
The certificate applies only to the use of apparatus under atmospheric
conditions.
If you use the device outside atmospheric conditions, consider that the
permissible safety parameters should be reduced.
The device can be used in hazardous areas containing gas, vapor, and
mist.
The device can be used in hazardous areas containing combustible dust.
The device can be used in underground parts of mines as well as those
parts of surface installations of such mines containing firedamp and/or
combustible dust.
5.1. Requirements for Equipment Protection Level Ga
Refer to the relevant certificate to see the relationship between the
connected circuit type, the maximum permitted ambient temperature, the
effective inner reactances, and if applicable the surface temperature or the
temperature class.
The suitability for use of the device at ambient temperatures >60 °C in
conjunction with hot surfaces has been checked by the notified body.
For usage according to ATEX Directive and according to EN 1127-1, the
reduction of the surface temperature to 80 % is not considered.
5.2. Requirements for Equipment Protection Level Gb
Refer to the relevant certificate to see the relationship between the
connected circuit type, the maximum permitted ambient temperature, the
effective inner reactances, and if applicable the surface temperature or the
temperature class.
The suitability for use of the device at ambient temperatures >60 °C in
conjunction with hot surfaces has been checked by the notified body.
5.3. Requirements for Equipment Protection Level Da
Refer to the relevant certificate to see the relationship between the
connected circuit type, the maximum permitted ambient temperature, the
effective inner reactances, and if applicable the surface temperature or the
temperature class.
The suitability for use of the device at ambient temperatures >60 °C in
conjunction with hot surfaces has been checked by the notified body.
5.4. Requirements for Equipment Protection Level Mb
Refer to the relevant certificate to see the relationship between the
connected circuit type, the maximum permitted ambient temperature, the
effective inner reactances, and if applicable the surface temperature or the
temperature class.
The suitability for use of the device at ambient temperatures >60 °C in
conjunction with hot surfaces has been checked by the notified body.
6. Improper Use
Protection of the personnel and the plant is not ensured if the device is not
used according to its intended use.
7. Mounting and Installation
Observe the installation instructions according to IEC/EN 60079-14.
Safety-relevant markings are found on the nameplate of the device or the
nameplate supplied.
Attach the nameplate supplied in the immediate vicinity of the device.
Attach the nameplate so that it is legible and indelible. Take the ambient
conditions into account.
Do not mount a damaged or polluted device.
Mount the device so that it complies with the specified degree of
protection according to IEC/EN 60529.
If you use the device in environments subject to adverse conditions, you
must protect the device accordingly.
Do not remove the warning markings.
7.1. Requirements for Usage as Intrinsically Safe Apparatus
When connecting intrinsically safe devices with intrinsically safe circuits of
associated apparatus, observe the maximum peak values with regard to
explosion protection (verification of intrinsic safety). Observe the
standards IEC/EN 60079-14 or IEC/EN 60079-25.
The type of protection is determined by the connected intrinsically safe
circuit.
7.2. Specific Conditions of Use
Mount the device so that it complies with the specified degree of
protection according to IEC/EN 60529.
7.2.1. Requirements in Relation to Electrostatics
Information on electrostatic hazards can be found in the technical
specification IEC/TS 60079-32-1.
Do not mount the supplied nameplate in areas that can be electrostatically
charged.
You can reduce the electrostatic hazards by minimizing the generation of
static electricity. For example, you have the following options to minimize
the generation of static electricity:
• Control the environmental humidity.
• Protect the device from direct airflow.
• Ensure a continuous drain off of the electrostatic charges.
Avoid inadmissibly high electrostatic charge of the metal housing
components on the device.
Include the metal housing components in the equipotential bonding.
7.2.2. Requirements to Mechanics
7.2.2.1. Requirements for Usage as Intrinsically Safe Apparatus
Protect the device from impact effects by mounting in a surrounding
enclosure if it is used in the temperature range between the minimum
permissible ambient temperature and -20 °C.
Mount the device with at least a degree of protection of IP20 according
to IEC/EN 60529.
8. Operation, Maintenance, Repair
Observe the specific conditions of use.
Safety-relevant markings are found on the nameplate of the device or the
nameplate supplied.
Do not use a damaged or polluted device.
Do not repair, modify, or manipulate the device.
Modifications are permitted only if approved in this instruction manual and
in the device-related documentation.
If there is a defect, always replace the device with an original device.
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