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Pepperl+Fuchs NBB4-12GM50-E2-V1 Inductive sensor

Manufacturer: Pepperl+Fuchs
Model: NBB4-12GM50-E2-V1 Inductive Sensor
Sensing Distance: 4 mm (flush)
Supply Voltage: 10–30 VDC
Protection Rating: IP67
Application: Standard industrial position detection, machine building, conveyor systems

Product Description

The Pepperl+Fuchs NBB4-12GM50-E2-V1 is one of the most popular M12 inductive sensors worldwide. It offers a 4 mm flush sensing range, PNP NO output, and the shortest M12 metal-threaded barrel on the market (50 mm installed length with M12 quick-disconnect). Thanks to its high switching frequency, bright LED, and excellent EMC immunity, it has become the universal standard for compact, reliable metal detection in factory automation.

Standard Features

  • Ultra-short housing: Only 50 mm total length (35 mm thread) – the shortest M12 sensor with connector in the industry.

  • Fast response: 2 kHz switching frequency – perfect for high-speed counting and dynamic applications.

  • Quick-connect reliability: M12 × 1 (V1) 4-pin connector with gold-plated pins for vibration-proof, long-term connections.

  • Clear status visibility: Large yellow LED visible from all angles, even when mounted deep in frames.

  • Proven millions of times: Classic “Varikont” design installed in countless machines worldwide – legendary P+F quality and availability.

Technical Specifications

ParameterValue
TypeInductive Proximity Sensor
Order NumberNBB4-12GM50-E2-V1
Sensing Distance (Sn)4 mm (flush)
InstallationFlush
Output TypePNP, Normally Open
Switching Frequency0–2000 Hz
Supply Voltage10–30 VDC
Current Consumption≤ 10 mA
ConnectionM12 × 1 connector, 4-pin (V1)
Housing MaterialBrass, nickel-plated
Active FacePBT
DimensionsM12 × 50 mm (installed length)
Operating Temperature-25°C to +70°C
Protection RatingIP67

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