Inductive sensor NCN3-F31K2M-N4-B23-S
- 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
- 1/2" NPT conduit entrance
- Plug-in terminals
- Temperature range
-40 ... 100 °C (-40 ... 212 °F)
NAMUR sensors must be operated with approved switch amplifiers. Please find suitable devices below:
Please 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.
Download the complete datasheet as a PDF:
Datasheet excerpt: Technical data of NCN3-F31K2M-N4-B23-S
| General specifications | ||
|---|---|---|
| Switching function | 2 x normally closed (NC) | |
| Output type | NAMUR | |
| Rated operating distance | 3 mm | |
| Installation | flush mountable | |
| Assured operating distance | 0 ... 2.4 mm For assured operating distance sar see Manual Functional Safety. |
|
| Actual operating distance | 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 rAl | 0.4 | |
| Reduction factor rCu | 0.4 | |
| Reduction factor r304 | 0.7 | |
| Reduction factor rSt37 | 1 | |
| Reduction factor rBrass | 0.5 | |
| Output type | 2-wire | |
| Nominal ratings | ||
| Nominal voltage | 8.2 V (Ri 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 | ≤ 1 ms | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| MTTFd | 1730 a | |
| Mission Time (TM) | 20 a | |
| Diagnostic Coverage (DC) | 0 % | |
| Valve circuit | ||
| 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 | |
| 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 | |
| Approvals and certificates | ||
| 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 conditions | ||
| Ambient temperature | -40 ... 100 °C (-40 ... 212 °F) | |
| Storage temperature | -40 ... 100 °C (-40 ... 212 °F) | |
| Mechanical specifications | ||
| Connection type | screw terminals | |
| Connection (system side) | Screw terminals, tightening torque min. 0.5 Nm Stripped length 7 mm , 1/2" NPT 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 | |
| Tightening torque, fastening screws | 4 Nm ... 5 Nm | |
| Tightening torque, housing screws | 1.5 Nm | |
| Tightening torque of cover srews | 1.5 Nm | |
| Tightening torque, earthing screw | 1.5 Nm | |
| Tightening torque, cable gland | Refer to NEC (National Electrical Code), hand-tight then wrench tightened (max. 3 turns) | |
| Tightening torque, stopping plug | 2 Nm | |
| Dimensions | ||
| Height | 53 mm | |
| Width | 100 mm | |
| Length | 106 mm | |
| General information | ||
| Use in the hazardous area | see instruction manuals | |
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27273901 |
| ECLASS 12.0 | 27273901 |
| ECLASS 11.0 | 27220501 |
| ECLASS 10.0.1 | 27220501 |
| ECLASS 9.0 | 27220501 |
| ECLASS 8.0 | 27220501 |
| ECLASS 5.1 | 27220501 |
| ETIM 9.0 | EC002714 |
| ETIM 8.0 | EC002714 |
| ETIM 7.0 | EC002714 |
| ETIM 6.0 | EC002714 |
| ETIM 5.0 | EC002714 |
| UNSPSC 12.1 | 39121550 |
Details: NCN3-F31K2M-N4-B23-S
Product Documentation: NCN3-F31K2M-N4-B23-S
| Safety and Security Documentation | Language | File Type | File Size |
|---|---|---|---|
| Instruction manual | ENG | 189 KB | |
| Functional Safety Manual | ENG | 1419 KB |
Design / Simulation: NCN3-F31K2M-N4-B23-S
| CAD | Language | File Type | File Size |
|---|---|---|---|
| CAD 3-D / CAD 3-D | ALL | STP | 5954 KB |
| CAD Portal / CAD Portal | ALL | LINK | --- |
| CAE | |||
| CAE EPLAN Data Portal / CAE EPLAN Data Portal | ALL | LINK | --- |
| CAE EPLAN macro EDZ / CAE EPLAN Makro EDZ | ALL | EDZ | 229 KB |
Approvals: NCN3-F31K2M-N4-B23-S
| Certificates | Certificate No. | Language | File Type | File Size |
|---|---|---|---|---|
| Canada USA UL Hazardous Location | E501628:1:5 | ALL | 411 KB | |
| Canada USA UL Ordinary Location | UL-US-2016797-0 / UL-CA-2013375-0 | ALL | 546 KB | |
| China SITIIAS CCC Ex Certificate | 2020322315002305 (Pepperl+Fuchs Manufacturing s.r.o) | ALL | 1914 KB | |
| EU TUV Rheinland ATEX ia 2G, 1G, 1D s. certificate | TÜV 17 ATEX 8125 X | ALL | 784 KB | |
| United Kingdom CML UKEX Category I M2 UKEX Category II 2 G UKEX Category II 1 D UKEX Category II 1 G | CML 21UKEX2974X | ALL | 254 KB | |
| Worldwide TUV Rheinland IECEx ia | IECEx TUR 17.0055X | ALL | LINK | --- |
| Control Drawings | ||||
| Control drawing UL / Control drawing UL | ALL | 270 KB | ||
| Declaration of Conformity | ||||
| EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F) | DOC-3895A | ALL | 1233 KB | |
| UK Declaration of Conformity (P+F) | TDOC-6236_ENG | ENG | 1228 KB | |
Associated Products: NCN3-F31K2M-N4-B23-S
| Accessories | ||||||
|---|---|---|---|---|---|---|
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
Our amplify article gives interesting insights about the development of the new, modern portfolio of inductive proximity sensors from Pepperl+Fuchs. Get the whole story here!
The knowledge base for inductive sensors contains extensive expertise and supports you in the highly precise and smooth operation of the sensors in your machinery and plants.
The VariKont inductive sensors with Active Shielding Technology ensure high switching distances, no matter the installation situation and the surrounding material. Benefit from easier equipment design and reduced costs!
As the SIL 2/PL d inductive safety sensors have no dead band, data transfer can occur with no minimum distance between sensor and target. Discover the optimized portfolio for demanding environments.
Pepperl+Fuchs SE
Lilienthalstraße 200
68307 Mannheim
Germany
info@de.pepperl-fuchs.com
+49 621 776-0
Pepperl+Fuchs is a leading developer and manufacturer of electronic sensors and components for the global automation market. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years. Pepperl+Fuchs employs 6,300 people worldwide and has manufacturing facilities in Germany, USA, Singapore, Hungary, Indonesia and Vietnam, most of them ISO 9001 certified.