Name: Pepperl+Fuchs NJ2-12GM40-E2-5M Inductive Sensor - INOSAKI
SKU: PEPPERL-FUCHS-NJ2-12GM40-E2-5M
Price: 85.20 USD
Availability: InStock

Technical Overview

M12 inductive proximity sensor with 2mm flush sensing, PNP NO, 10-60VDC, 3000Hz, IP67 stainless steel, 5m PUR cable.

Key Features

2 mm rated operating distance for flush installation.
PNP Normally Open (NO) output with 3-wire connection.
Wide operating voltage range of 10-60 VDC.
High switching frequency up to 3000 Hz.
Robust stainless steel (1.4305 / AISI 303) housing and PBT sensing face.
IP67 protection rating for harsh industrial environments.
Integrated yellow LED for clear switching state indication.
Reverse polarity and pulsing short-circuit protection.
Pre-wired with a 5-meter PUR cable for flexible installation.

Technical Specification Matrix

Parameter	Value
Switching Function	Normally Open (NO)
Output Type	PNP
Rated Operating Distance (sn)	2 mm
Installation	Flush
Output Polarity	DC
Operating Voltage (UB)	10 ... 60 VDC
Switching Frequency (f)	0 ... 3000 Hz
Hysteresis (H)	1 ... 10 % typ. 3 %
Reverse Polarity Protection	Yes
Short-Circuit Protection	Pulsing
Voltage Drop (Ud)	≤ 3 V
Operating Current (IL)	0 ... 200 mA
Off-state current (Ir)	≤ 0.5 mA
No-load supply current (I0)	≤ 9 mA
Time Delay Before Availability (tv)	≤ 20 ms
Switching State Indicator	LED, yellow
Ambient Temperature	-25 ... 70 °C (-13 ... 158 °F)
Storage Temperature	-40 ... 85 °C (-40 ... 185 °F)
Connection Type	Cable PUR, 5 m
Housing Material	Stainless steel 1.4305 / AISI 303
Sensing Face Material	PBT
Protection Degree	IP67
Housing Diameter	M12 / 12 mm
Physical Weight (kg)	0.17
Dimensions L x W x H (cm)	4 x 1.2 x 1.2

Industrial Applications

1. High-Speed Conveyor Belt Object Detection

This sensor is ideal for manufacturing and logistics conveyor systems that require rapid and reliable detection of metallic items to ensure accurate sorting, counting, or positioning of products.

Problem Solved

The 2mm sensing distance combined with a high switching frequency of up to 3000 Hz ensures precise identification of small, fast-moving metallic parts, preventing misses. Its IP67 rating makes it robust against dust and occasional moisture typical in conveyor operations.

Conveyor SystemsObject CountingHigh-Speed DetectionMetal PartsIP673000 Hz

2. Robotic End-Effector Position Feedback

Suitable for industrial robots utilizing end-effectors (grippers, tools) that demand precise positional feedback relative to metallic workpieces or fixtures during automated assembly and material handling processes.

Problem Solved

The compact M12 cylindrical design and flush mounting capability allow for seamless integration into robotic tooling. The 2mm sensing range provides the critical proximity detection needed for accurate gripper operation or tool alignment, ensuring repeatable tasks and avoiding collisions. Operates with standard industrial 10-60VDC control systems.

RoboticsEnd-of-Arm ToolingPosition SensingAssembly AutomationM122mm RangeFlush Mount

3. Machine Tooling Home Position Sensing in Harsh Environments

Perfect for CNC machines and other automated machine tools needing reliable 'home' or limit switch detection for metallic components (e.g., tool holders, workpiece clamps) in environments exposed to cutting fluids and metal chips.

Problem Solved

The stainless steel (AISI 303) housing and IP67 rating provide excellent resistance to common industrial contaminants like cutting fluids, coolants, and metal chips, ensuring long-term operational integrity. The inductive principle precisely detects metallic machine parts for accurate home position feedback, compatible with various machine control voltages (10-60VDC).

CNC MachinesLimit SwitchHome PositionMetal DetectionMachine ToolingStainless SteelIP67