Pepperl+Fuchs NJ4-12GM40-E-V1 Inductive Proximity Sensor
The Pepperl+Fuchs NJ4-12GM40-E-V1 is a high-performance inductive proximity sensor designed for precise and reliable detection of metallic objects in industrial environments. Its robust construction and advanced features make it suitable for a wide range of automation applications.
Key Features
- Sensing Distance: 4 mm (non-flush installation)
- Output Type: NPN normally open (NO)
- Operating Voltage: 10 to 60 V DC
- Switching Frequency: Up to 2,000 Hz
- Housing Material: Stainless steel (1.4305 / AISI 303)
- Connection: M12 connector plug
- Protection Class: IP67
Technical Specifications
| Specification | Details |
|---|---|
| Assured Operating Distance | 0 to 3.24 mm |
| Actual Operating Distance | 3.6 to 4.4 mm (typical) |
| Reduction Factor (Aluminum) | 0.37 |
| Reduction Factor (Copper) | 0.36 |
| Reduction Factor (Stainless Steel 304) | 0.74 |
| Hysteresis | 1% to 10% (typical 3%) |
| Reverse Polarity Protection | Yes |
| Short-Circuit Protection | Pulsing |
| Voltage Drop | ≤ 3 V |
| Operating Current | 0 to 200 mA |
| Off-State Current | ≤ 0.5 mA |
| No-Load Supply Current | ≤ 9 mA |
| Time Delay Before Availability | ≤ 20 ms |
| Switching State Indicator | LED, yellow |
| Ambient Temperature Range | -25°C to 70°C (-13°F to 158°F) |
| Storage Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Degree of Protection | IP67 |
| Dimensions | Diameter: 12 mm; Length: 50 mm |
Applications
The NJ4-12GM40-E-V1 sensor is ideal for applications requiring precise detection of metallic objects, such as:
- Position sensing in automated assembly lines
- Object detection in conveyor systems
- Monitoring of machine components
- Industrial robotics
Its durable stainless steel housing and IP67 rating ensure reliable performance even in harsh industrial environments.
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