Pepperl+Fuchs NBB8-18GM50-E2-V1 Inductive Proximity Sensor, Cylindrical, M18, PNP, 8mm Range
Pepperl+Fuchs NBB8-18GM50-E2-V1 Inductive Proximity Sensor, Cylindrical, M18, PNP, 8mm Range - Image 2
SKU: SENS-1208
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Pepperl+Fuchs NBB8-18GM50-E2-V1 Inductive Proximity Sensor, Cylindrical, M18, PNP, 8mm Range

₹15,939.00 (Inclusive of all taxes)
Out of Stock

The Pepperl+Fuchs NBB8-18GM50-E2-V1 is an M18 cylindrical inductive proximity sensor with an 8mm flush sensing range and a PNP normally-open output. Operating from 10-30V DC, it provides reliable non-contact detection of metallic objects for industrial automation, PLCs, and machine control systems.

Features

  • M18 cylindrical threaded housing with nickel-plated brass construction for industrial durability.
  • PNP normally-open (NO) switching output compatible with PLCs and standard 10-30V DC control systems.
  • 8mm nominal flush-mount sensing distance for reliable detection of ferrous and non-ferrous metals.
  • IP67-rated housing ensures protection against dust ingress and temporary water immersion.
  • Integrated short-circuit, reverse polarity protection, and status LED for simplified installation and diagnostics.

Out of stock

Description

The NBB8-18GM50-E2-V1 is a robust inductive proximity sensor from Pepperl+Fuchs’s NBB series, engineered for precise position detection in automated machinery. It operates on the principle of electromagnetic induction, where an internal oscillator coil generates a high-frequency field. When a metallic target enters the 8mm sensing zone, it dampens the oscillation, triggering a solid-state PNP switch.

Designed for flush mounting in metal installations, the sensor delivers consistent performance with a high switching frequency up to 500 Hz. Its nickel-plated brass housing provides excellent corrosion resistance, while the IP67 sealing protects internal electronics from industrial contaminants like coolants and metal chips. The wide operating voltage range ensures compatibility with various DC power supplies common in control panels.

Key Features

  • Industrial-Grade Construction: Nickel-plated brass M18 housing offers high mechanical strength and resistance to corrosion, vibration, and impact.
  • Precision Inductive Sensing: Provides a stable 8mm nominal sensing distance for ferrous metals, with minimal temperature drift across a wide operating range.
  • Protected Output Circuit: PNP transistor output includes integrated safeguards against short-circuit, overload, and reverse polarity connection.
  • High-Speed Operation: Switching frequency up to 500 Hz enables detection of fast-moving parts on conveyors or rotating machinery.
  • Enhanced Environmental Sealing: IP67 protection rating guarantees reliable operation in harsh conditions with exposure to dust and temporary water jets.
  • Clear Diagnostic Feedback: Built-in yellow LED provides visual confirmation of switching state and power status for easy commissioning and troubleshooting.

Applications

  • Position verification and part presence detection on automated assembly lines and conveyor systems.
  • End-of-travel limit sensing for pneumatic cylinders and linear actuators in machine tools.
  • Rotary speed monitoring and cam position detection on motor shafts and indexing tables.
  • Tool breakage detection and tool changer position confirmation in CNC machining centers.
  • Material handling system control for detecting metal pallets, bins, or robotic end-effectors.

Technical Specifications

Manufacturer Part NumberNBB8-18GM50-E2-V1
Sensor TypeInductive Proximity
Housing TypeCylindrical, M18 Thread
Housing MaterialNickel-Plated Brass
Output TypePNP, Normally Open (NO)
Supply Voltage10 – 30 V DC
Nominal Sensing Distance (Sn)8 mm
Operating Current0 – 200 mA
Switching FrequencyUp to 500 Hz
Voltage Drop≤ 3 V
HysteresisTyp. 5% of Sn
Protection RatingIP67
InstallationFlush Mountable
Length65 mm
Diameter18 mm
WeightApprox. 100 g

Frequently Asked Questions

What is the difference between flush and non-flush mounting for this sensor?

This NBB8-18GM50-E2-V1 sensor is designed for flush mounting, meaning it can be installed level with (or recessed into) a metal mounting surface without a reduction in its nominal 8mm sensing distance. Non-flush mounting requires a clearance zone around the sensor face and typically increases the effective sensing range, but is not the intended installation method for this model.

Can this PNP sensor interface directly with a PLC digital input?

Yes. The PNP (sourcing) normally-open output is directly compatible with most PLC digital input modules designed for 24V DC sourcing (PNP) signals. Connect the sensor's brown wire (+V), blue wire (0V/GND), and black wire (signal output) to the corresponding PLC terminals. Ensure the PLC input is configured for a sourcing sensor and operates within the sensor's 10-30V DC supply range.

What metals can this inductive sensor detect?

This sensor is primarily calibrated for ferrous metals like steel and iron, providing the full 8mm nominal sensing distance. It will also detect non-ferrous metals such as aluminum, brass, and copper, but the effective sensing distance will be reduced, typically by 30-60%. For precise application, consult the manufacturer's datasheet for specific reduction factors.

Does the sensor have any built-in protection against wiring mistakes?

Yes. The sensor incorporates reverse polarity protection, preventing damage if the power supply wires (brown and blue) are accidentally swapped. It also features short-circuit and overload protection on the output transistor (black wire), safeguarding the internal electronics if the output is incorrectly connected to a voltage source or a direct short to ground.

Package Includes

  • 1 x Pepperl+Fuchs NBB8-18GM50-E2-V1 Inductive Proximity Sensor

Additional Information

Weight 0.1 kg
Dimensions 6.5 cm

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