1. Product Overview: PEPPERL+FUCHS NBB2-12GM50-E0 Inductive Proximity Sensor
The PEPPERL+FUCHS NBB2-12GM50-E0 is a compact inductive proximity sensor designed for precise non-contact detection of metallic objects in industrial automation environments. Featuring an M12x1 threaded stainless steel housing (IP67-rated), this sensor is engineered to operate reliably in harsh conditions, including exposure to dust, moisture, and temperature extremes (-25°C to +70°C). With a detection range of 2 mm for ferrous metals, it provides accurate feedback for machine control systems. The sensor utilizes a DC supply voltage of 10–30V and delivers an NPN normally open (NO) output, ensuring compatibility with a wide range of PLCs and industrial controllers. Its robust construction and short-circuit protection make it ideal for high-vibration applications such as automotive assembly lines, robotics, and material handling systems.
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-E0 is widely used in automotive manufacturing for detecting small components like screws, bolts, or piston positions in engines. In packaging machinery, it ensures precise alignment of metallic lids or caps on containers. The sensor’s ATEX/IECEx certification allows deployment in hazardous environments such as chemical plants and oil refineries for monitoring valve positions or pump statuses. It is also integral to CNC machines for tool positioning and in conveyor systems to detect metallic parts. Additionally, its rugged design supports food and beverage production lines requiring frequent washdowns.
4. Competitive Advantages and Unique Features
- Compact Design: Ideal for space-constrained installations.
- High Immunity: Stable operation in electromagnetic interference (EMI)-rich environments.
- Durability: Stainless steel housing resists corrosion, mechanical shock, and chemical exposure.
- Safety Compliance: ATEX/IECEx certification ensures safe use in explosive atmospheres (Zone 2/22).
- Low Maintenance: Contactless detection eliminates mechanical wear and extends service life.
5. Functional Capabilities and Operational Benefits
The sensor enables fast, reliable object detection with a response time of ≤1 ms, critical for high-speed automation processes. Its NPN output configuration ensures compatibility with fail-safe control logic, triggering alarms or shutdowns when objects deviate from predefined positions. The IP67 rating and extended temperature range guarantee consistent performance in challenging environments, reducing downtime and maintenance costs. By minimizing false triggers, it enhances production efficiency and supports Industry 4.0 initiatives for smart manufacturing. The integrated reverse polarity and short-circuit protection further enhance system reliability, making it a cost-effective solution for precision-driven industries.
| Category | Parameter | Details |
| General Specifications | Product Type | Inductive Proximity Sensor |
| | Model Number | NBB2-12GM50-E0 |
| | Detection Principle | Inductive (Ferrous Metal Detection) |
| | Sensing Distance | 12 mm (Nominal) |
| | Housing Material | Nickel-plated Brass |
| | Protection Rating | IP67 (Dust/Water Resistant) |
| | Connection Type | Fixed Cable (2 m PVC) with Flying Leads (E0 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 Length | 2 m PVC (Standard) |
| 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-E0 Non-Contact Inductive Sensor - 2mm Detection IP67 Industrial Images
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