1. Product Overview: PEPPERL+FUCHS NBB2-12GM50-E2 Inductive Proximity Sensor
The PEPPERL+FUCHS NBB2-12GM50-E2 is a compact, high-precision inductive proximity sensor designed for non-contact detection of metallic objects in industrial automation environments. Featuring an M12x1 threaded stainless steel housing (IP67-rated), this sensor is built to withstand harsh conditions, including dust, moisture, vibrations, and temperature extremes (-25°C to +70°C). It detects ferrous metals within a 2 mm range and provides an NPN normally open (NO) output, ensuring seamless integration with PLCs and control systems. With short-circuit and reverse polarity protection, the sensor delivers reliable performance in high-speed production lines, robotics, and automotive manufacturing, making it ideal for applications requiring accuracy and durability.
2. Key Technical Specifications
- Detection Range: 2 mm (for mild steel targets).
- Output Type: NPN, NO (3-wire, 2 m PVC cable).
- Supply Voltage: 10–30V DC (±10%).
- Current Consumption: ≤15 mA.
- Switching Frequency: 1 kHz.
- Housing Material: Stainless steel (1.4404/316L).
- Protection Class: IP67 (dust/water resistance).
- Operating Temperature: -25°C to +70°C.
- Certifications: CE, cULus, IECEx, ATEX (Ex II 3G Ex nA IIC T6 Gc).
3. Industrial Applications and Use Cases
The NBB2-12GM50-E2 is widely used in automotive assembly lines to detect small components like screws, bolts, or piston positions. In packaging machinery, it ensures precise alignment of metallic lids or caps on containers. Its ATEX/IECEx certification allows deployment in hazardous environments such as chemical plants and oil refineries for monitoring valve positions or pump statuses. The sensor is also integral to CNC machines for tool positioning, conveyor systems for part presence verification, and food processing equipment requiring frequent washdowns. Its compact design suits space-constrained installations in robotics and material handling systems.
4. Competitive Advantages and Unique Features
- Compact and Durable: Stainless steel housing resists corrosion, impacts, and chemical exposure.
- High Immunity: Stable operation in environments with electromagnetic interference (EMI).
- Safety Compliance: ATEX/IECEx certification for use in explosive atmospheres (Zone 2/22).
- Fast Response: ≤1 ms response time for high-speed automation processes.
- Low Maintenance: Contactless detection eliminates mechanical wear and reduces downtime.
5. Functional Capabilities and Operational Benefits
The sensor enables precise, non-contact detection of metallic objects, ensuring reliable feedback for automation control. Its NPN output configuration supports fail-safe logic, triggering alarms or shutdowns when deviations occur. The IP67 rating and extended temperature range guarantee consistent performance in extreme conditions, minimizing maintenance costs. By reducing false triggers and optimizing cycle times, the NBB2-12GM50-E2 enhances production efficiency and supports Industry 4.0 initiatives. The integrated protection features, including short-circuit and reverse polarity safeguards, further enhance system reliability, making it a cost-effective solution for critical industrial applications.
| Category | Parameter | Details |
| General Specifications | Product Type | Inductive Proximity Sensor |
| | Model Number | NBB2-12GM50-E2 |
| | Detection Principle | Inductive (Ferrous Metal Detection) |
| | Sensing Distance | 12 mm (Nominal) |
| | Housing Material | Nickel-Plated Brass |
| | Protection Rating | IP67 (Dust/Water Resistant) |
| | Connection Type | M12 × 1 Connector, 4-Pin (E2 Variant) |
| | Mounting Style | Non-Flush (Shielded) |
| Electrical Specifications | Operating Voltage | 10–30 V DC |
| | Output Type | PNP, Normally Open (NO) |
| | Output Configuration | 3-Wire, Switching Output |
| | Current Rating | ≤ 200 mA |
| | Switching Frequency | 1 kHz |
| | Voltage Drop | ≤ 2 V |
| Mechanical Specifications | Housing Diameter | M18 × 1 |
| | Length | 50 mm (Approx.) |
| | Operating Position | Axial (Front Sensing) |
| | Cable/Connector | 2 m PVC Cable (Standard) or M12 Connector (E2 Variant) |
| Environmental Conditions | Operating Temperature | –25°C to +70°C (–13°F to +158°F) |
| | Storage Temperature | –40°C to +85°C (–40°F to +185°F) |
| | Shock Resistance | 30 g (IEC 60068-2-27) |
| | Vibration Resistance | 10–55 Hz, 1.5 mm Amplitude (IEC 60068-2-6) |
| Certifications & Compliance | Standards | CE, cULus, RoHS, REACH |
| | EMC Compatibility | EN 60947-5-2 |
| Special Features | LED Status Indicator | Red LED for Operational Feedback |
| | Short-Circuit Protection | Yes |
| | Reverse Polarity Protection | Yes |
| | EMI/RFI Immunity | High Immunity to Electromagnetic Interference |
| | Target Material Compatibility | Detects Ferrous Metals (e.g., Steel, Iron) |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are
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NBB2-12GM50-E2 Non-Contact 2mm Inductive Sensor - IP67 Brass Industrial Images
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