NCN3-F31K2M-N4-B13-S Inductive sensor

Key Benefits at a Glance

Direct mounting on standard actuators
ATEX and IECEx approval
Usable up to SIL 2 acc. to IEC 61508
Weatherproof housing for outdoor applications
Rugged metal base
Plug-in terminals
Temperature range
-40 ... 100 °C (-40 ... 212 °F)

Product photo: Inductive sensor NCN3-F31K2M-N4-B13-S

Dimensions: Inductive sensor NCN3-F31K2M-N4-B13-S

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Datasheet Classification Product Documentation Design / Simulation Approvals Related Products

Technical data of NCN3-F31K2M-N4-B13-S

Switching function		2 x normally closed (NC)
Output type		NAMUR
Rated operating distance	s_n	3 mm
Installation		flush mountable
Assured operating distance	s_a	0 ... 2.4 mm For assured operating distance s_ar see Manual Functional Safety.
Actual operating distance	s_r	2.7 ... 3.3 mm typ.
Actuating element		Stainless steel 1.4305 / AISI 303 8.5 mm x 8.5 mm x 0.5 mm
Reduction factor r_Al		0.4
Reduction factor r_Cu		0.4
Reduction factor r₃₀₄		0.7
Reduction factor r_St37		1
Reduction factor r_Brass		0.5
Output type		2-wire

Nominal voltage

U_o

8.2 V (R_i approx. 1 kΩ)

Switching frequency

0 ... 3 kHz

Hysteresis

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		≥ 3 mA
Measuring plate detected		≤ 1 mA

Time delay before availability

t_v

≤ 1 ms

Safety Integrity Level (SIL)		SIL 2
MTTF_d		1730 a
Mission Time (T_M)		20 a
Diagnostic Coverage (DC)		0 %

Voltage		max. 32 V DC
Current		max. 240 mA
Short-circuit protection		no
Reverse polarity protection		yes, with reversed output LED is out of function, therfore more power for solenoid valve

Standard conformity

NAMUR		EN 60947-5-6:2000 IEC 60947-5-6:1999
Electromagnetic compatibility		NE 21:2007
Standards		EN IEC 60947-5-2

IECEx approval

Equipment protection level Ga		IECEx TUR 17.0055X
Equipment protection level Gb		IECEx TUR 17.0055X
Equipment protection level Gc		IECEx TUR 20.0062X
Equipment protection level Da		IECEx TUR 17.0055X
Equipment protection level Dc		IECEx TUR 20.0068X

ATEX approval

Equipment protection level Ga		TÜV 17 ATEX 8125 X
Equipment protection level Gb		TÜV 17 ATEX 8125 X
Equipment protection level Gc		TÜV 20 ATEX 8592 X
Equipment protection level Da		TÜV 17 ATEX 8125 X
Equipment protection level Dc		TÜV 20 ATEX 8598 X

UL approval

cULus Listed, General Purpose, Class 2 Power Source

Ordinary Location		E87056
Hazardous Location		E501628
Control drawing		116-0455

CCC approval

Hazardous Location

2020322315002305

KCC approval

Hazardous Location

23-AV4BO-0113X

Ambient temperature		-40 ... 100 °C (-40 ... 212 °F)
Storage temperature		-40 ... 100 °C (-40 ... 212 °F)

Connection type

screw terminals

Connection (system side)

Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm , M20 x 1.5 cable gland , usable thread length 13.5 mm , screw-in depth max. 13.5 mm

Core cross section (system side)

rigid: 0.14 ... 2.5 mm²
flexible: 0.14 ... 1.5 mm²
flexible with core-end sleeve: 0.25 ... 1.5 mm²

Connection (valve side)

like connection (system side)

Core cross section (valve side)

like core cross section (system side)

Housing material

PC (glass-fiber-reinforced Makrolon)

Housing base

powder coated aluminum

Degree of protection

IP66 / IP68 / IP69