Pepperl+Fuchs NBB5-18GM40-Z0 Inductive Proximity Sensor

Technical Overview

M18 flush inductive proximity sensor with 5 mm sensing distance, 5-60 VDC, 500 Hz switching, IP67 nickel-plated brass housing, and 2m cable.

Key Features

5 mm flush sensing distance for precise object detection.
2-wire DC output with Normally Open (NO) switching function.
Wide operating voltage range of 5-60 VDC for versatile application.
High switching frequency of 0-500 Hz for detecting fast-moving objects.
Durable nickel-plated brass housing and PBT sensing face for industrial longevity.
IP67 degree of protection against dust and temporary immersion in water.
Integrated yellow LED indicator for visual feedback on switching state.
Reverse polarity tolerant and pulsing short-circuit protection for enhanced reliability.
Pre-wired with a 2-meter PVC cable for convenient electrical connection.
Operating ambient temperature range of -25 to 70 °C.

Technical Specification Matrix

Parameter	Value
Supply Voltage (UB)	5-60 VDC
Rated Operating Distance (sn)	5 mm
Installation Type	Flush
Output Type	2-wire DC
Switching Function	Normally Open (NO)
Switching Frequency (f)	0-500 Hz
Operating Current (IL)	2-100 mA
Voltage Drop (Ud)	≤ 5 V
Hysteresis (H)	1-10% typ. 5%
Protection Degree	IP67
Housing Material	Brass, nickel-plated
Sensing Face Material	PBT
Connection Type	Cable, 2 m
Cable Material	PVC
Ambient Temperature	-25 to 70 °C (-13 to 158 °F)
Housing Diameter	M18 (18 mm)
Housing Length	40 mm
Switching State Indicator	Yellow LED
Short-Circuit Protection	Pulsing
Reverse Polarity Protection	Tolerant
Physical Weight (kg)	0
Dimensions L x W x H (cm)	4 x 1.8 x 1.8

Industrial Applications

1. Conveyor Belt Monitoring in Packaging Lines

Detecting the presence and position of metallic packages or components on high-speed conveyor belts within packaging automation systems.

Problem Solved

The 5 mm flush sensing distance allows for precise, non-contact detection of objects without interference from the conveyor. The 500 Hz switching frequency ensures reliable operation with fast-moving items, while the IP67 rating protects against dust and splashes common in packaging environments.

Inductive sensingFlush mountingHigh switching frequencyIP67Object detectionConveyor systemPackaging automation

2. End-of-Travel Detection for Robotic Grippers

Verifying the fully open or closed position of metallic robotic grippers or tooling components on industrial robots.

Problem Solved

The compact M18 cylindrical design and 40 mm length enable easy integration into tight spaces on robotic arms. The 5 mm sensing distance accurately confirms the end position of metallic gripper jaws, ensuring precise robotic movements and preventing operational errors. The 5-60 VDC operating voltage offers broad compatibility with various robot control systems.

Robotic automationEnd-position sensingCompact designM182-wire DCPrecision detectionIndustrial robotics

3. Metal Part Presence Verification in Machine Tools

Confirming the accurate presence of a metallic workpiece or cutting tool in a fixture before initiation of a machining operation.

Problem Solved

The durable nickel-plated brass housing and IP67 rating provide exceptional resistance to cutting fluids, metal chips, and debris prevalent in machine tool environments. The 5 mm sensing distance ensures reliable detection of small metallic parts, preventing machining errors, tool breakage, and enhancing operator safety. The wide operating voltage (5-60VDC) is adaptable to diverse machine control setups.

Workpiece detectionMachine toolsMetal detectionIP67Robust housingProcess controlIndustrial manufacturing