Pepperl+Fuchs NJ4-12GM-N-Y19785
Inductive sensor

Pepperl+Fuchs NJ4-12GM-N-Y19785
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Item Number: NJ4-12GM-N-Y19785
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Delivery standard: 3-6 weeks, depending on the country.
Condition: new
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CE marking[*PD-Z02585A*]
Switching frequency0 ... 1500 Hz
Effective internal capacitancemax. 45 nF ; a cable length of 10 m is considered.
Appropriate typeNJ 4-12GM-N...
Mission Time (TM)20 a
MTTFd11774 a
Connection typecable PVC , 2 m
Degree of protectionIP68
Effective internal capacitancemax. 45 nF ; a cable length of 10 m is considered.
Output typeNAMUR
Core cross-section0.34 mm2
Output type2-wire
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection ""Intrinsic safety""
Use is restricted to the following stated conditions
CE marking[*PD-Z02585A*]
Maximum permissible ambient temperature
Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the surface temperature, and the effective internal reactance values can be found on the EC-type-examination certificate. The maximum permissible ambient temperature of the data sheet must be noted, in addition, the lower of the two values must be maintained.
Appropriate typeNJ 4-12GM-N...
CCC approvalCCC approval / marking not required for products rated ≤36 V
CSA approvalcCSAus Listed, General Purpose
Rated operating distance4 mm
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection ""Intrinsic safety""
Use is restricted to the following stated conditions
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Sensing facePBT
Switching functionNormally closed (NC)
ATEX marking II 1G Ex ia IIC T6…T1 Ga The Ex-related marking can also be printed on the enclosed label.
Effective internal inductancemax. 50 µH ; a cable length of 10 m is considered.
ATEX marking II 1D Ex ia IIIC T135В°C Da The Ex-related marking can also be printed on the enclosed label.
Maximum permissible ambient temperatureDetails of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the temperature class, and the effective internal reactance values can be found on the EC-type examination certificate.
Appropriate typeNJ 4-12GM-N...
ATEX marking II 1G Ex ia IIC T6…T1 Ga The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection ""Intrinsic safety""
Use is restricted to the following stated conditions
Effective internal inductancemax. 50 µH ; a cable length of 10 m is considered.
Diagnostic Coverage (DC)0 %
Ambient temperature-25 ... 100 В°C (-13 ... 212 В°F)
CE marking[*PD-Z02585A*]
Housing materialStainless steel 1.4305 / AISI 303
Ambient temperatureDetails of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the temperature class, and the effective internal reactance values can be found on the EC-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.
Reduction factor rCu 0.3
Use in the hazardous areasee instruction manuals
Assured operating distance0 ... 3.24 mm
Installationnon-flush
Effective internal inductancemax. 50 µH ; a cable length of 10 m is considered.
Effective internal capacitancemax. 45 nF ; a cable length of 10 m is considered.
Reduction factor rAl 0.4
Reduction factor r304 0.85
Hysteresis3 %

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