Pepperl+Fuchs NBB2-8GM50-E2-5M Inductive Proximity Sensor

Product Overview

Model: NBB2-8GM50-E2-5M
Manufacturer: Pepperl+Fuchs

The Pepperl+Fuchs NBB2-8GM50-E2-5M is a cylindrical inductive proximity sensor designed for non-contact detection of metal objects in industrial automation applications. It features a compact M8 threaded housing, 2 mm sensing distance, PNP normally open output, and a 5-meter cable connection, providing reliable position detection in machine control systems.

Technical Specifications

• Product Type: Inductive Proximity Sensor
• Model: NBB2-8GM50-E2-5M
• Manufacturer: Pepperl+Fuchs
• Sensor Type: Inductive sensor
• Detection Method: Non-contact metal detection
• Housing Diameter: 8 mm
• Housing Length: 50 mm
• Thread Size: M8 × 1
• Sensing Distance: 2 mm
• Installation Type: Flush mounting
• Output Type: PNP
• Switching Function: Normally Open (NO)
• Output Configuration: 3-wire DC
• Operating Voltage: 5–30 VDC
• Maximum Load Current: 100 mA
• Switching Frequency: Up to 6000 Hz
• Protection Rating: IP65 / IP66 / IP67
• Operating Temperature: -40°C to +85°C
• Cable Length: 5 m PVC cable
• Housing Material: Nickel-plated brass
• Indicator: Yellow LED switching status indicator

Advantages & Features

• Compact M8 Design
  Small cylindrical housing allows installation in limited spaces.
• High-Speed Detection
  Supports switching frequencies up to 6000 Hz for fast machine operations.
• Reliable Metal Detection
  Provides stable non-contact sensing without mechanical wear.
• Wide Temperature Range
  Operates reliably in harsh industrial environments.
• Durable Industrial Construction
  Nickel-plated brass housing provides excellent mechanical protection.
• Easy Integration
  PNP 3-wire output allows simple connection with PLC input modules.

Applications

• Industrial Automation Equipment
• Machine Tool Position Detection
• Conveyor Systems
• Packaging Machinery
• Assembly Lines
• Robotic Equipment
• Metal Part Detection
• Factory Automation Systems

Precautions

• Confirm PLC input type matches PNP output configuration.
• Ensure operating voltage remains within 5–30 VDC range.
• Maintain correct sensing distance to avoid detection errors.
• Avoid strong mechanical impact on the sensing surface.
• Keep sensor cable away from high-voltage interference sources.
• Check cable bending radius during installation.
• Use proper grounding and shielding in electrically noisy environments.