Leuze ET328.3/4P-M12 Diffuse Sensor | 50122726 | ProSens Automation

Leuze ET328.3/4P-M12 – Energetic Diffuse Photoelectric Sensor, 328 Series

The Leuze ET328.3/4P-M12 is an energetic diffuse photoelectric sensor from the Leuze 328 Series designed for reliable object detection without using a reflector. It operates on the diffuse reflection principle, detecting objects by measuring the light reflected from the target surface. The integrated Teach button allows fast sensitivity adjustment, making commissioning simple for different materials and object colours.

Key Features

• Energetic diffuse photoelectric sensor
• Diffuse reflection operating principle
• Guaranteed operating range: 0.001 to 0.7 m (90% white target)
• Typical sensing range up to 1 m
• 620 nm pulsed red LED light source
• 2 PNP transistor outputs (Light ON / Dark ON)
• 500 Hz switching frequency
• 1 ms response time
• 10–30 VDC supply voltage
• M12 4-pin male connector
• M18 × 1 ABS housing with V2A stainless steel threaded sleeve
• IP67 protection rating
• Integrated Teach button for sensitivity adjustment
• Reverse polarity and short-circuit protection
• Operating temperature: -40°C to +60°C
• IEC 60947-5-2 and cULus certified

Where This Sensor Is Used

The ET328.3/4P-M12 is suitable for conveyor systems, packaging machinery, food processing equipment, beverage filling lines, textile machinery, pharmaceutical production, warehouse automation, automotive assembly and machine tools. It provides dependable object detection where installing a reflector is impractical.

What's in the Box

Sensor unit only with M12 4-pin connector. M12 female connection cable must be ordered separately. No reflector is required for operation.

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 ET328.3/4P-M12?

The sensor provides a guaranteed operating range of 1 mm to 700 mm on a 90% white target and a maximum sensing limit of up to 1 m. The actual sensing distance varies depending on the object's reflectivity.

Is this sensor suitable for industrial environments?

Yes. The ET328.3/4P-M12 features an IP67-rated housing, operates from -40°C to +60°C, and includes reverse polarity and short-circuit protection for reliable industrial use.

What is included with this sensor?

The package contains the sensor with an M12 4-pin male connector. An M12 female connection cable must be ordered separately for installation.

Where can I buy the Leuze ET328.3/4P-M12 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.