Leuze FT28.3/4P Diffuse Sensor | 50122592 | ProSens Automation

Leuze FT28.3/4P – Energetic Diffuse Photoelectric Sensor with Background Suppression, 28 Series

The Leuze FT28.3/4P is an energetic diffuse photoelectric sensor with background suppression from the proven 28 Series. It detects objects without a reflector and reliably ignores backgrounds beyond the taught sensing distance. The integrated Teach button allows fast adjustment for different target materials and installation conditions, making it suitable for a wide range of industrial automation applications.

Key Features

• Energetic diffuse photoelectric sensor with background suppression
• Diffuse reflection operating principle
• Operating range: 1 to 210 mm (90% white target)
• Typical operating range limit: 250 mm
• Visible red LED light source
• 2 PNP transistor outputs (Light ON / Dark ON)
• Switching frequency: 500 Hz
• Response time: 1 ms
• Supply voltage: 10–30 VDC
• Integrated Teach button for sensing distance adjustment
• 2 m PUR cable, 4-wire connection
• Compact plastic housing with IP67 protection
• Operating temperature: -40°C to +60°C
• Reverse polarity and short-circuit protection
• Certified to IEC 60947-5-2 and cUL US

Where This Sensor Is Used

The FT28.3/4P is widely used in packaging machines, conveyor systems, food processing equipment, pharmaceutical machinery, textile machinery, automotive assembly, warehouse automation and machine tools. Background suppression enables reliable detection even when conveyors, guides or machine frames are positioned behind the target.

What's in the Box

Sensor unit only with integrated 2 m PUR cable. No reflector is required because this is a diffuse photoelectric sensor with background suppression.

Buy from ProSens Automation

ProSens Automation is an authorized Leuze dealer based in Erode and Coimbatore region, Tamil Nadu, supplying genuine Leuze sensors across India. Every product comes with full manufacturer warranty. We provide technical support for sensor selection, wiring guidance, and commissioning help. Shipping available across India.

📱WhatsApp us for price & availability—or tap the enquiry button above.

Frequently Asked Questions

What is the sensing range of the Leuze FT28.3/4P?

The FT28.3/4P provides a guaranteed sensing range from 1 mm to 210 mm on a 90% white target, with a typical operating range limit of 250 mm. The sensing distance can be adjusted using the built-in Teach button.

Is this sensor suitable for industrial environments?

Yes. The sensor features an IP67-rated housing and operates in ambient temperatures from -40°C to +60°C. It also complies with IEC 60947-5-2 and includes reverse polarity and short-circuit protection.

What is included with the sensor?

The package contains the FT28.3/4P sensor with an integrated 2 m PUR cable. Since it operates using the diffuse reflection principle with background suppression, no reflector is required.

Where can I buy the Leuze FT28.3/4P in India?

ProSens Automation is an authorized Leuze dealer in Erode and Coimbatore region, Tamil Nadu. We supply genuine Leuze products across India with full manufacturer warranty. WhatsApp us for pricing and delivery timeline.