M12 Proximity Sensor, Inductive, NPN NO, Unshielded, 4mm

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$38.79

Low cost M12 proximity sensor manufacturer direct sale. It is an NPN inductive proximity switch with NO output method, unshielded installation type and 4mm detection range, which can detect the presence or absence of metallic objects within a certain range without direct contact. The inductive proximity sensor is designed for detecting magnetic metals, with reduced sensing distance for non-magnetic metals.

SKU: ATO-PROS-M12

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Delivery date: 6-12 days

Overview
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Buy M12 inductive proximity sensor from manufacturer. This 4mm proximity switch can detect a variety of metals. NPN proximity sensor, wholesale price, NO output method, small size, long life, strong anti-interference abilities, unshielded type installation and supply voltage DC 12V-24V.

Functions

Red LED checks the state of the proximity sensor
High repeated positioning accuracy
High switching frequency
Wide voltage range
Antivibration, dust, water and oil prevention
Reverse power protection, short circuit protection, directly connecting with PLC
Can replace small switches and limit switches

Specifications

Model	ATO-PSI-12A2ZN
Installation type	Unshielded
DC type	NO
Detection range	4mm±10%
Delay distance	≤10% detection range
Detection object	Magnetic metal (the detection distance decreases when it is non-magnetic metal)
Standard detection object	Iron 15151mm
Response frequency	DC: 1kHz, AC: 50Hz
Supply voltage	DC type: DC 12-24V (6-36V)
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

Wiring Diagram

Line Definition

M12 proximity sensor wiring definition

Dimension (Unit: mm)

Details

Tips: What is an unshielded proximity sensor?

ATO unshielded proximity sensor, also known as a non-shielded or unshielded inductive sensor, is a type of inductive sensor used to detect the presence or absence of metallic objects within a certain range without direct contact.

Unlike shielded proximity sensors, which have a metal housing that focuses the electromagnetic field to the front of the sensor, unshielded sensors emit an electromagnetic field in a wider, more dispersed pattern around the sensing face.

The broader detection area of unshielded proximity sensors makes them suitable for applications where a larger sensing range is required, or where the exact positioning of the object is less critical. They are typically used in environments where there is a need to detect objects from multiple directions or where installation space allows for a less focused sensing approach.

Unshielded proximity sensors are widely used in industrial automation for tasks such as counting parts on a conveyor belt, detecting the position of machinery components, or ensuring the presence of metal objects in assembly processes. Their main advantage lies in their ability to detect objects in a broader area, though this can also make them more susceptible to interference from surrounding metal objects and require careful placement to avoid false detections.

In this video, ATO will show you the differences between inductive and magnetic types.