Pepperl+Fuchs NCN4-12GM35-N0-V1 Inductive Sensor NAMUR NC 4mm Non-Flush M12 Connector Stainless Steel SIL2 In Stock
The Pepperl+Fuchs NCN4-12GM35-N0-V1 is a non-flush mountable inductive proximity sensor with a 4 mm rated operating distance. Featuring NAMUR output with normally closed (NC) switching function and SIL 2 certification according to IEC 61508, this sensor is designed for demanding industrial automation and safety applications in hazardous areas.
The sensor features a stainless steel (AISI 303) housing with a PBT sensing face, providing excellent durability in harsh environments. With an IP66/IP67 protection rating and a wide -25 °C to +100°C operating temperature range, it is suitable for use in challenging industrial conditions, marine applications, and explosive atmospheres.
| Model | NCN4-12GM35-N0-V1 |
| Brand | Pepperl+Fuchs |
| Product Type | Inductive proximity sensor / NAMUR sensor |
| Switching function | Normally closed (NC) |
| Output type | NAMUR (2-wire) |
| Rated operating distance (sn) | 4 mm |
| Installation | Non-flush (non-embeddable) |
| Assured operating distance (sa) | 0 ... 3.24 mm |
| Actual operating distance (sr) | 3.6 ... 4.4 mm typ. |
| Nominal voltage | 8.2 V (Ri approx. 1 kΩ) |
| Switching frequency | 0 ... 800 Hz |
| Hysteresis | 1 ... 10 % typ. 5 % |
| Current consumption (no target) | ≥ 3 mA |
| Current consumption (target present) | ≤ 1 mA |
| Reverse polarity protection | Yes |
| Short-circuit protection | Yes |
| Switching state indicator | Multihole-LED, yellow |
| Safety Integrity Level (SIL) | SIL 2 acc. to IEC 61508 |
| MTTFd | 2520 years |
| Mission Time (TM) | 20 years |
| Diagnostic Coverage (DC) | 0 % |
This sensor is certified for use in safety-related applications up to SIL 2 according to IEC 61508. For higher safety integrity (up to SIL 3), two sensors can be used in redundant configuration.
| Housing material | Stainless steel 1.4305 / AISI 303 |
| Sensing face material | PBT |
| Degree of protection | IP66 / IP67 |
| Ambient temperature | -25 ... 100 °C (-13 ... 212 °F) |
| Storage temperature | -40 ... 100 °C (-40 ... 212 °F) |
| Connection type | Connector plug, M12 x 1, 4-pin |
| Diameter | 12 mm |
| Length | 40 mm |
| Scope of delivery | 2 self-locking nuts |
- 4 mm non-flush sensing – Non-embeddable installation allows mounting in metal without derating
- 800 Hz switching frequency – High-speed detection capability for fast-moving targets
- Normally closed (NC) switching function – Failsafe operation
- NAMUR output according to EN 60947-5-6 / IEC 60947-5-6
- 2-wire connection – Standardized wiring for intrinsic safety applications
- Must be operated with approved NAMUR switch amplifiers
- SIL 2 certified according to IEC 61508 – Suitable for safety-related applications
- MTTFd of 2,520 years ensures exceptional reliability
- 20-year mission time for long-term safety system deployment
- Stainless steel housing (AISI 303) – Excellent corrosion resistance and mechanical strength
- PBT sensing face – Durable and chemically resistant
- IP66/IP67 protection rating – Dust-tight and protected against powerful water jets and temporary immersion
- Wide temperature range -25°C to +100°C for extreme conditions
| Oil & Gas | Position monitoring, valve feedback in hazardous areas, offshore platforms |
| Chemical / Pharmaceutical | Tank level monitoring, equipment position detection in explosive atmospheres |
| Process Automation | Safety interlock systems, limit monitoring with SIL 2 requirements |
| Marine / Offshore | DNVGL and RINA certified for maritime applications – corrosion-resistant sensing |
| Machine Building | End-stop detection, positioning control with M12 connector for quick replacement |
| Safety Instrumented Systems (SIS) | SIL2-rated limit switches for emergency shutdown systems |
NAMUR sensors must be operated with approved switch amplifiers. Recommended Pepperl+Fuchs accessories include:
| Terminal amplifier | KCD2-E2L – Single-channel terminal amplifier with line breakage detection, input for NAMUR sensors, DC 24 V supply voltage |
| Cable connector | V1-G-N-2M-PUR – Female cordset single-ended M12 straight A-coded, 2-pin, PUR cable blue, NAMUR, 2 m |
| Cable connector | V1-W-N-2M-PUR – Female cordset single-ended M12 angled A-coded, 2-pin, PUR cable blue, NAMUR, 2 m |
Contact us for amplifier recommendations based on your application requirements.
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