M18 Inductive Proximity Sensor, NPN/PNP/2 Wire/3 Wire

SKU: SUCH-IPS-I18

$39.45

● M18*1 thread ● 2 Wire/3 Wire/NPN/PNP output modes ● Unshielded or Shielded installation type ● Direct connection with PLC

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Overview
Specs
Application
FAQ
Reviews

Overview

SUCH inductive type proximity sensor can detect a variety of metals in harsh industrial environments. It comes with M18*1 thread, unshielded/shielded type installation, 8mm detection distance, IP67 protection class. 2 wire/3 wire/NPN/PNP inductive proximity switch for selection.

Feature

SUCH inductive proximity sensor uses an intelligent sensing chip with fast response and strong anti-interference capability to accurately detect nearby metal objects. With high repeat positioning accuracy, high switching frequency, and selectable NPN/PNP (NO/NC) output modes, it ensures stable and reliable operation in various applications.
It is equipped with a red LED indicator that clearly shows the operating state. When a metal target is detected, the indicator turns on or off according to the NO/NC mode, making on-site debugging and monitoring easier.
M18 inductive proximity switch offers vibration, dust, water, and oil resistance, supports a wide voltage range, and includes reverse polarity and short-circuit protection for direct PLC connection. Its robust construction allows it to replace small mechanical switches and limit switches while maintaining stable performance in harsh environments.

Dimension (Unit: mm)

Wiring Diagram

Specs

Installation type			Unshielded	Shielded
All the output methods	DC type	NPN	NO	NO
			NC	NC
			NO+NC	NO+NC
		PNP	NO	NO
			NC	NC
			NO+NC	NO+NC
		2 wire	NO	NO
			NC	NC
	AC type	2 wire	NO	NO
			NC	NC
		3 wire	NO+NC	NO+NC
Detection range			8mm±10%	5mm±10%
Setting distance			0-7mm	0-4mm
Delay distance			≤10% detection range
Detection object			Magnetic metal (the detection distance decreases when it is non-magnetic metal)
Standard detection object			Iron 18181mm
Response frequency			DC: 0.8kHz, AC: 50Hz
Supply voltage			DC type: DC 12-24V (6-36V), impulse (p-p) 10% below; AC type: AC 110-220V (90-250V) 50/60Hz
Withstand voltage			AC1000V 50/60Hz 1min between charging part and housing
Voltage influence			Inside ±15% rated supply voltage range, at rated supply voltage value, inside ±10% detection distance
Consumption current			N/P type: ≤13mA, D type: ≤0.8mA, A type: ≤1.7mA
Control output			N/P type: ≤300mA, D type: ≤200mA, A type: ≤400mA
Loop protection			N/P/D type: reversal connection protection, surge absorption, load short-circuit protection, A type: surge absorption
Ambient temperature & humidity			Operation temperature/storage temperature: -30~65℃ (no freeze, no dew); Operation humidity/storage humidity: 35~95%RH
Temperature influence			Temperature range -30~65℃, at +23℃, ±15% detection distance; Temperature range -25~60℃, at +23℃, ±10% detection distance
Insulation impedance			≥50MΩ (DC500 megameter) between charging part and housing
Material			Housing: Nickel plated brass, Detection surface: ABS
Protection class			IP67
Cable length			1.2m

Application

Automated Production

Machinery and Machine Tool Industry

Automotive Manufacturing

FAQ

Q1: What is the detection distance range of the M18 inductive proximity sensor, and how does it compare to M12 models? ❯

The M18 inductive proximity sensor has a longer detection distance: 8mm or 5mm for magnetic metals, which is nearly double that of M12 models. It is ideal for applications where targets are farther from the sensor (e.g., large machinery parts, pallet detection).

Q2: Can the 3-wire M18 proximity sensor be configured for both NO and NC output, or is it fixed? ❯

Most 3-wire M18 inductive proximity sensors have a fixed output type (NO or NC) determined at the time of purchase. However, some advanced models offer switchable NO/NC via a built-in dip switch—check the product details for this feature.

Q3: What is the temperature influence for this inductive proximity switch? ❯

Temperature range -30~65℃, at +23℃, ±15% detection distance; Temperature range -25~60℃, at +23℃, ±10% detection distance

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M18 Inductive Proximity Sensor, NPN/PNP/2 Wire/3 Wire

Feature

Dimension (Unit: mm)

Wiring Diagram

Automated Production

Machinery and Machine Tool Industry

Automotive Manufacturing

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