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QS18 Type Photoelectric switch sensor NPN or PNP 12 to 24V DC Detection range 20M Proximity switch sensor

QS18 Type Photoelectric switch sensor NPN or PNP 12 to 24V DC Detection range 20M Proximity switch sensor

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Specifications

Brand Name
NoEnName_Null
High-concerned chemical
None
Origin
Mainland China
Output
Digital Sensor
Theory
Optical Sensor
Type
Optical-Electronics Sensor
is_customized
Yes
Material
Polymer
Sensing Range
0-20M
Operating Voltage
10-30V DC
Consumption current
<200mA
Material quality
ABS
Cable
2 m PVC Cable

Product Description

Pros & Cons

Pros

  • Long 20m sensing range for versatile industrial use
  • NPN/PNP options and 10-30V DC compatibility
  • Low power <200mA consumption
  • Durable ABS plastic and PVC cable for harsh environments

Cons

  • No brand name, potential reliability concerns
  • Customized orders may delay shipping
  • Optical theory sensitive to dust or misalignment
  • Mainland China origin without CE certification listed

Common Questions

What material is the QS18 photoelectric sensor made of?

High-quality ABS polymer housing with 2m PVC cable for durability.

What is the detection range and size of this proximity switch?

Detection range up to 20m; compact QS18 standard size for industrial mounting.

Is this sensor compatible with NPN or PNP systems and voltage?

Available in NPN or PNP output; operates on 10-30V DC, customizable.

How do you use the optical sensor for proximity detection?

Mount and wire to PLC or controller; detects objects via infrared beam interruption up to 20m.

What is the shipping for this customized photoelectric switch?

From Mainland China, 10-25 days international; includes 2m cable, securely packaged.

Product information last updated on March 30, 2026