Sensor
70133044
Proximity Sensor, Make : P&F
The Pepperl+Fuchs NCB4-12GM40-N0-V1 is a flush-mounted inductive proximity sensor with a NAMUR normally-closed (NC) output designed for accurate metal target detection in industrial and hazardous-area applications. It features a rugged M12 stainless-steel threaded housing, 4 mm sensing range, M12 connector connection, SIL 2 functional safety capability, and IP66/IP67 protection for reliable operation in demanding environments.
| Manufacturer | Pepperl+Fuchs |
|---|---|
| Model | NCB4-12GM40-N0-V1 |
| Order Number | 70133044 |
| Sensor Type | Inductive Proximity Sensor |
| Series | NCB4 |
| Housing Design | Cylindrical Threaded |
| Thread Size | M12 × 1 |
| Switching Function | Normally Closed (NC) |
| Output Type | NAMUR |
| Electrical Design | 2-Wire |
| Installation | Flush Mounted (Shielded) |
| Rated Operating Distance (Sn) | 4 mm |
| Assured Operating Distance (Sa) | 0 ... 3.24 mm |
| Actual Operating Distance (Sr) | 3.6 ... 4.4 mm |
| Reduction Factor Fe (Steel) | 1.0 |
| Reduction Factor Al (Aluminum) | 0.41 |
| Reduction Factor Cu (Copper) | 0.39 |
| Reduction Factor 304 Stainless Steel | 0.78 |
| Nominal Voltage (Uo) | 8.2 V DC |
| Internal Resistance (Ri) | Approx. 1 kΩ |
| Switching Frequency | 0 ... 1500 Hz |
| Hysteresis | 1 ... 15% (Typical 5%) |
| Reverse Polarity Protection | Yes |
| Short-Circuit Protection | Yes |
| Suitable for 2:1 Technology | Yes |
| Current Consumption (Target Not Detected) | Minimum 2.2 mA |
| Current Consumption (Target Detected) | ≤ 1 mA |
| Switching State Indication | Multihole Yellow LED |
| Functional Safety Rating | SIL 2 |
| MTTFd | 3010 Years |
| Mission Time (TM) | 20 Years |
| Diagnostic Coverage (DC) | 0% |
| NAMUR Compliance | EN 60947-5-6:2000, IEC 60947-5-6:1999 |
| EMC Standard | NE 21:2007 |
| General Sensor Standard | EN IEC 60947-5-2 |
| Operating Temperature | −25°C to +100°C |
| Storage Temperature | −40°C to +100°C |
| Protection Rating | IP66 / IP67 |
| Housing Material | Stainless Steel 1.4305 / AISI 303 |
| Sensing Face Material | PBT |
| Connection Type | M12 Connector Plug |
| Connector Thread | M12 × 1 |
| Number of Pins | 4 |
| Housing Diameter | 12 mm |
| Housing Length | 40 mm |
| Approval Type | Hazardous Area Approved |
| UL Approval | cULus Listed |
| CCC Approval | Yes |
| Marine Approval | DNVGL TAA00001A5 |
| CML Approval | Available on Request |
| Certification | Approval Number |
| ATEX Ga | PTB 00 ATEX 2048 X |
| ATEX Gb | PTB 00 ATEX 2048 X |
| ATEX Da | PTB 00 ATEX 2048 X |
| ATEX Dc (tc) | TÜV 20 ATEX 8524 X |
| IECEx Ga | IECEx PTB 11.0037X |
| IECEx Gb | IECEx PTB 11.0037X |
| IECEx Da | IECEx PTB 11.0037X |
| IECEx Dc (tc) | IECEx TUR 21.0018X |
| IECEx Mb | IECEx PTB 11.0037X |
| ANZEx | 18.3018X |
| CCC Hazardous Location | 2020322315002255, 2024322315005860 |
| Thread | M12 × 1 |
| Sensing Face | PBT |
| Connector Type | M12, 4-Pin |
| Degree of Protection | IP66 / IP67 |
| Mounting | Flush (Shielded) |
| Supply Voltage | 8.2 V NAMUR |
| Current (Undamped) | ≥ 2.2 mA |
| Current (Damped) | ≤ 1 mA |
| Output | NAMUR NC |
| Wiring | 2-Wire |
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