pa3pnpa-1 - photo pr alu npn no+nc plg

pa3pnpa-1 – photo pr alu npn no+nc plg

Carlo Gavazzi PA3PNPA-1 polarised retro-reflective photoelectric sensor with 3000 mm sensing range, NPN NO and NC outputs and M12 plug connection for industrial automation applications.

SKU: PA3PNPA-1Alt SKU: PA3PNPA1MPN: PA3PNPA-1
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Why Choose the Carlo Gavazzi PA3PNPA-1 Photoelectric Sensor?

The Carlo Gavazzi PA3PNPA-1 is a robust and reliable polarised retro-reflective photoelectric sensor designed for precise object detection in industrial automation and machine control applications. Featuring a durable aluminium housing and compact rectangular design, this sensor is suitable for demanding industrial environments where accurate sensing and dependable operation are required.

Using polarised red modulated light technology, the PA3PNPA-1 detects objects by measuring reflected light from a suitable reflector while reducing unwanted switching caused by reflective surfaces. Its M12 plug connection enables fast installation and simple integration into PLCs and industrial control systems.

With a 3000 mm sensing range, NPN complementary NO + NC outputs and a 10–40 V DC supply, the PA3PNPA-1 provides flexible and reliable object detection for conveyors, packaging systems and automated machinery.

Key Advantages

  • Reliable polarised retro-reflective photoelectric sensor for industrial automation.
  • 3000 mm sensing range for long-distance object detection.
  • NPN NO + NC complementary outputs for flexible control integration.
  • M12 plug connection simplifies installation and maintenance.
  • Metal housing construction provides increased mechanical durability.
  • IP67 protection rating suitable for industrial environments.

Key Features

  • Carlo Gavazzi PA3 series photoelectric sensor.
  • Polarised retro-reflective sensing technology.
  • Metal cylindrical threaded barrel housing.
  • NPN complementary normally open + normally closed outputs.
  • M12 connector connection.
  • Polarised red modulated light source, 660 nm.
  • Light-on and dark-on switching modes.
  • Short circuit, reverse polarity and transient protection.

Reliable Object Detection for Industrial Automation

Photoelectric sensors such as the Carlo Gavazzi PA3PNPA-1 use optical technology to detect the presence, position or movement of objects without physical contact. Polarised retro-reflective sensing improves reliability when detecting reflective targets and helps prevent unwanted switching.

The PA3 series is designed for industrial automation applications requiring durable construction, flexible installation and dependable sensing performance. Its compact design and standard M12 connection allow efficient integration into modern control systems.

Typical Applications

  • Industrial conveyors and material handling systems.
  • Packaging and assembly machinery.
  • Production line object detection.
  • Machine automation and control systems.
  • Position and presence monitoring.
  • OEM industrial equipment.

Technical Specifications

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Supply Voltage 12 V DC, 24 V DC
Coil / Supply Voltage 10–40 V DC
Sensing Mode Retro-reflective
IP Rating IP67
Output Type NPN
Sensing Principle Photoelectric - retro-reflective
Sensing Distance 3000 mm
Output Function NO + NC
Connection M12 connector
Manufacturer Carlo Gavazzi
Series PA3 Photoelectric Sensors
Model PA3PNPA-1
Product type Polarised retro-reflective photoelectric sensor
Detection principle Polarised retro-reflective
Sensing distance 3000 mm
Output Type NPN
Output configuration NO + NC
Supply voltage 10–40 V DC
Connection type M12 plug
Housing material Metal
Light source Polarised red modulated light, 660 nm
Switching mode Light-on / dark-on
Protection rating IP67
Maximum output current 200 mA

Frequently Asked Questions

What is the Carlo Gavazzi PA3PNPA-1 used for?

The PA3PNPA-1 is a polarised retro-reflective photoelectric sensor designed for non-contact object detection in industrial automation applications.

What is the sensing range of this sensor?

The sensor provides a 3000 mm retro-reflective sensing range when used with a suitable reflector.

What type of output does the PA3PNPA-1 provide?

The sensor provides NPN normally open and normally closed outputs for flexible connection to industrial control systems.

What connection type does this sensor use?

The PA3PNPA-1 uses an M12 plug connection for straightforward installation.

Where is this photoelectric sensor typically installed?

The sensor is typically installed on conveyors, packaging machines and automated production equipment requiring reliable object detection.

Trusted by Industrial Automation Engineers

Carlo Gavazzi PA3 photoelectric sensors are widely used in industrial automation applications where robust construction, reliable detection and simple integration are essential.