Pepperl Fuchs NCB8-18GM40-N0-OG Data Sheet
Inductive sensor NCB8-18GM40-N0-OG
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance sn8 mm
Installation flush
Assured operating distance sa0 ... 6.48 mm
0102
Model Number
NCB8-18GM40-N0-OG
Features
•8 mm flush
• Usable up to SIL 2 acc. to IEC 61508
Accessories
EXG-18
Quick mounting bracket with dead stop
BF 18
Mounting flange, 18 mm
Actual operating distance s
Reduction factor rAl 0.39
Reduction factor r
Reduction factor r
Output type 2-wire
Nominal ratings
Nominal voltage Uo8.2 V (Ri approx. 1 kΩ)
Switching frequency f 0 ... 1500 Hz
Hysteresis H 1 ... 15 typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Suitable for 2:1 technology yes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected
Measuring plate detected
Switching state indicator all direction LED, yellow
Functional safety related parameters
MTTFd 2660 a
Mission Time (T
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 80 °C (-13 ... 176 °F)
Storage temperature -40 ... 80 °C (-40 ... 176 °F)
Mechanical specifications
Connection type cable PUR (halogen-free) , 2 m blue , Oil resistant , Flame-retardant
Core cross-section 2x 1 mm2 , black
Housing material Stainless steel 1.4305 / AISI 303
Sensing face PBT
Degree of protection IP66 / IP67
Cable
Bending radius
General information
Use in the hazardous area see instruction manuals
Category
Compliance with standards and
directives
Standard conformity
NAMUR
Electromagnetic compatibility
Standards
Approvals and certificates
CCC approval CCC approval / marking not required for products rated ≤36 V
0.36
Cu
0.71
304
) 20 a
M
Dimensions
7.2 ... 8.8 mm typ. 8 mm
r
≥ 2.2 mA
≤ 1 mA
as per IEC 60332-1
Mud-resistant according to IEC61892-4, appendix D
Flexible at temperatures as low as -40 °C
> 5 x cable diameter
1G; 2G; 3G
EN 60947-5-6:2000
IEC 60947-5-6:1999
NE 21:2007
EN 60947-5-2:2007
IEC 60947-5-2:2007
Release date: 2017-06-01 08:00 Date of issue: 2017-06-01 244813_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
M18x1
4
24
LED
37
40
1
Inductive sensor NCB8-18GM40-N0-OG
Electrical Connection
1
2
Equipment protection level Ga
CE marking 0102
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
Equipment protection level Gb
CE marking 0102
Effective internal inductivity C
Effective internal inductance L
Maximum permissible ambient temperature T
Equipment protection level Gc (ic)
CE marking
Effective internal inductivity C
Effective internal inductance L
i
i
i
i
i
i
L+
L-
≤ 120 nF ; a cable length of 10 m is considered.
≤ 50 µH ; 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.
Use the temperature table for category 1 !!! The 20 % reduction in accordance with EN 1127-1 has already
Note:
been applied to the temperature table for category 1.
≤ 120 nF ; a cable length of 10 m is considered.
≤ 50 µH ; 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.
≤ 120 nF ; a cable length of 10 m is considered.
≤ 50 µH ; A cable length of 10 m is considered.
Equipment protection level Da
CE marking 0102
Effective internal inductivity C
Effective internal inductance L
i
i
≤ 120 µF
A cable length of 10 m is considered.
≤ 50 µH
A cable length of 10 m is considered.
Release date: 2017-06-01 08:00 Date of issue: 2017-06-01 244813_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
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