Pepperl Fuchs CJ4-12GK-N Data Sheet
Capacitive sensor CJ4-12GK-N
Technical Data
General specifications
Switching function Normally open (NO)
Output type NAMUR
Rated operating distance sn4 mm
Installation non-flush
Assured operating distance sa0 ... 2.88 mm
Output type 2-wire
Nominal ratings
0102
Model Number
CJ4-12GK-N
Features
• 4 mm non-flush
Accessories
BF 12
Mounting flange, 12 mm
Installation conditions
A
B
C
F
Nominal voltage Uo8.2 V (Ri approx. 1 kΩ)
Operating voltage U
Switching frequency f 0 ... 1 Hz
Current consumption
Measuring plate not detected
Measuring plate detected
Functional safety related parameters
MTTFd 3299 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 70 °C (-13 ... 158 °F)
Mechanical specifications
Connection type cable PVC , 2 m
Core cross-section 0.34 mm
Housing material PBT
Sensing face PBT
Degree of protection IP68
Cable
Bending radius
General information
Use in the hazardous area see instruction manuals
Category
Compliance with standards and
directives
Standard conformity
NAMUR
Standards
Approvals and certificates
FM approval
Control drawing
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V
Dimensions
20 mm
80 mm
12 mm
70 mm
7 ... 12 V
B
≤ 1 mA
≥ 2.4 mA
> 10 x cable diameter
1G; 2G; 1D
EN 60947-5-6:2000
IEC 60947-5-6:1999
EN 60947-5-2:2007
IEC 60947-5-2:2007
116-0165
2
Electrical Connection
BN
BU
44
17
M12 x 1
1
40
60
L+
L-
Release date: 2017-07-25 13:32 Date of issue: 2018-02-16 106262_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
1
Capacitive sensor CJ4-12GK-N
Installation Conditions
B F
metal-free zone
sensing face
support
Equipment protection level Ga
CE marking 0102
CA
ATEX marking ¬ II 1G Ex ia IIC T6…T1 Ga
Standards EN 60079-0:2012+A11:2013, EN 60079-11:2012
Appropriate type CJ4-12GK-N...
Effective internal inductivity C
Effective internal inductance L
Highest permissible ambient temperature Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the
Special conditions
Equipment protection level Gb
CE marking 0102
ATEX marking ¬ II 1G Ex ia IIC T6…T1 Ga
Standards EN 60079-0:2012+A11:2013, EN 60079-11:2012
Appropriate type CJ4-12GK-N...
Effective internal inductivity C
Effective internal inductance L
Maximum permissible ambient temperature T
Special conditions
Equipment protection level Da
CE marking 0102
i
i
i
i
The Ex-related marking can also be printed on the enclosed label.
Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
≤ 60 nF ; a cable length of 10 m is considered.
negligibly small
A cable length of 10 m is considered.
temperature class, and the effective internal reactance values can be found on the EU-type examination certificate.
Note:
Use the temperature table for category 1 !!! The 20 % reduction in accordance with EN 1127-1 has already
been applied to the temperature table for category 1.
The Ex-related marking can also be printed on the enclosed label.
Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
≤ 60 nF ; a cable length of 10 m is considered.
negligibly small
A cable length of 10 m is considered.
Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the
amb
temperature class, and the effective internal reactance values can be found on the EU-type examination certificate.
ATEX marking ¬ II 1D Ex ia IIIC T135°C Da
Standards EN 60079-0:2012+A11:2013, EN 60079-11:2012
Appropriate type CJ4-12GK-N...
Effective internal inductivity C
Effective internal inductance L
Special conditions
i
i
The Ex-related marking can also be printed on the enclosed label.
Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
≤ 60 nF ; a cable length of 10 m is considered.
negligibly small
A cable length of 10 m is considered.
Release date: 2017-07-25 13:32 Date of issue: 2018-02-16 106262_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
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