Pepperl Fuchs Inductive sensor NCB5-18GM40-N0
5 mm flush
Usable up to SIL 2 acc. to IEC 61508
NAMUR output
Stainless steel housing
Polarity reversal protected
General specifications
Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance 5 mm
Installation flush
Assured operating distance 0 ... 4.05 mm
Actual operating distance 4.5 ... 5.5 mm typ. 5 mm
Reduction factor rAl 0.35
Reduction factor rCu 0.3
Reduction factor r304 0.74
Output type 2-wire
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Switching frequency 0 ... 400 Hz
Hysteresis 1 ... 15 % typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Current consumption
Measuring plate not detected min. 3 mA
Measuring plate detected ≤ 1 mA
Switching state indicator all direction LED, yellow
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
MTTFd 2040 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Compliance with standards and directives
Standard conformity
NAMUR EN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibility NE 21:2007
Standards EN IEC 60947-5-2