Name: Pepperl+Fuchs NBB5-18GM60-WO Inductive Proximity Sensor - INOSAKI
SKU: PEPPERL-FUCHS-NBB5-18GM60-WO
Price: 61.20 USD
Availability: InStock

Technical Overview

M18 flush inductive sensor, 5mm rated operating distance, 20-253V AC 2-wire, Normally Closed (NC) output, IP67 protection, integrated 2m PVC cable.

Key Features

M18 cylindrical inductive sensor for metallic object detection.
5 mm rated operating distance with flush installation.
Two-wire AC output with Normally Closed (NC) switching function.
Broad operating voltage range of 20 to 253 V AC.
IP67 degree of protection for harsh environments.
Nickel-plated brass housing with PBT sensing face.
Integrated 2m PVC cable with wire end ferrules.
LED indicators for operating voltage (green) and switching state (yellow).
Reverse polarity tolerant.
Compliant with EN IEC 60947-5-2 standards.

Technical Specification Matrix

Parameter	Value
Switching function	Normally closed (NC)
Output type	Two-wire
Rated operating distance (Sn)	5 mm
Installation	flush
Output polarity	AC
Assured operating distance (Sa)	0... 4.05 mm
Actual operating distance (Sr)	4.5... 5.5 mm typ. 5 mm
Reduction factor rAl	0.2
Reduction factor rCu	0.2
Reduction factor r304	0.6
Operating voltage (UB)	20 ... 253 V
Switching frequency (f)	0 ... 20 Hz
Hysteresis (H)	typ. 6%
Reverse polarity protection	reverse polarity tolerant
Voltage drop (Ud)	< 5 V (IL > 50 mA); < 8 V (IL < 50 mA)
Momentary current (20 ms, 0.1 Hz)	0 ... 1600 mA
Operating current (IL)	5 ... 200 mA
Off-state current (Ir)	0 ... 1.7 mA typ.
Time delay before availability (tv)	< 30 ms
Operating voltage indicator	LED, green
Switching state indicator	LED, yellow
MTTFd	1135 a
Mission Time (TM)	20 a
Diagnostic Coverage (DC)	0%
Standard conformity	EN IEC 60947-5-2
UL approval	cULus Listed, Load Type: Resistive, Enclosure Type Rating: Type 1
CSA approval	CCSAus Listed, General Purpose
CCC approval	Certified by China Compulsory Certification (CCC)
Ambient temperature	-25 ... 70 °C
Connection type	cable
Housing material	brass, nickel-plated
Sensing face	PBT
Degree of protection	IP67
Wire end ferrules	yes
Cable diameter	4.6 mm ± 0.2 mm
Bending radius	> 10 x cable diameter
Cable Material	PVC
Cable Color	grey
Number of cores	3
Core cross section	0.34 mm²
Cable Length	2 m
Sensor Length	60 mm
Sensor Diameter	18 mm
Physical Weight (kg)	0
Dimensions L x W x H (cm)	6 x 1.8 x 1.8

Industrial Applications

1. Metallic Object Detection on Conveyor Systems

This sensor is ideal for detecting the presence or absence of metallic items on automated conveyor belts in manufacturing or logistics. Its 5mm flush sensing distance and M18 design allow for precise positioning without protruding excessively into the material flow. The AC 2-wire output simplifies wiring, and the NC function can immediately signal a detected object, halting the conveyor if necessary.

Problem Solved

Ensuring reliable detection of metallic parts on fast-moving conveyor lines to prevent jams or ensure proper item count, even in environments with some dust or moisture.

conveyor automationmetallic object detectionM18 sensor5mm sensingAC 2-wirenormally closed

2. Limit Switching and Position Sensing for Machine Actuators

The NBB5-18GM60-WO can serve as a reliable limit switch for hydraulic or pneumatic cylinders, machine slides, or other moving parts in heavy machinery. Its robust IP67 nickel-plated brass housing withstands typical industrial conditions, while the 20-253V AC operating voltage offers flexibility for various power supplies common in plant environments. The flush installation prevents accidental damage from impacts.

Problem Solved

Accurately determining the end-of-travel or specific positions of machine components, ensuring safe operation and precise automation sequences.

limit switchposition detectionindustrial machineryM18IP67AC voltageactuator feedback

3. Automated Gate and Door Position Monitoring

Due to its robust construction and IP67 rating, this sensor is well-suited for monitoring the open/closed status of metallic gates or access doors in automated warehouses, production lines, or safety enclosures. The wide AC voltage compatibility allows for integration into existing control circuits, and the LED indicators provide local visual confirmation of the gate's status, aiding troubleshooting.

Problem Solved

Verifying the secure closure or full opening of industrial gates and doors to enhance safety, control access, and ensure proper sequence execution in automated systems.

automated gatesdoor sensingaccess controlsafety interlockIP67AC operationstatus indication