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Home Product LJ51AW12AL Photoelectric Slot Sensor 12mm Precision Object Detection Switch
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LJ51AW12AL Photoelectric Slot Sensor 12mm Precision Object Detection Switch

LJ51AW12AL Photoelectric Sensor
Keyence LJ Series Sensor
LJ51AW12AL Proximity Switch
LJ51AW12AL
LJ51AW12AL Photoelectric Sensor from Keyence LJ Series delivers accurate proximity sensing as a high-performance Proximity Switch for industrial object detection applications.
Categories:Automation
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Product Description

The LJ51AW12AL Photoelectric Sensor, part of the Keyence LJ Series Sensor family, is a high-performance proximity switch designed for precise object detection in industrial automation and manufacturing environments. It features 1 input and 1 output channel, supporting direct integration with PLCs or control modules via built-in NPN/PNP interfaces. Operating within a voltage range of 12-24V DC, this sensor functions reliably in temperatures from -25°C to +55°C. Its compact design enables easy installation in confined spaces, while offering a detection range of up to 2 meters with adjustable sensitivity. The LJ51AW12AL excels in harsh conditions due to its IP67-rated housing, ensuring resistance to dust, moisture, and mechanical impacts. Key advantages include fast response times (0.5ms) and minimal interference from ambient light, though its performance may require recalibration in environments with highly reflective surfaces. Widely used in packaging, assembly lines, and material handling systems, this sensor ensures stable detection across varying operational demands.
Parameter Specification
Model Name LJ51AW12AL Photoelectric Sensor
Series Keyence LJ Series Sensor
Detection Type Proximity Switch (Through-beam)
Detection Distance 40mm
Power Supply 10-30 VDC
Output Type NPN Open Collector
Response Time 1ms max
Protection Rating IP67
Housing Material Nickel-plated Brass
Operating Temperature -25°C to 70°C
question:Why can other suppliers source discontinued models you can't offer?
answer:They may use refurbished or non-genuine parts. We prioritize quality and authenticity.
question:Why is a service fee charged?
answer:Service fees cover payment processing, logistics coordination, and quality assurance services.
question:What if refurbished products malfunction post-purchase?
answer:We offer free replacement or refund per policy, ensuring compliance with quality standards.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why can other suppliers source discontinued models you can't offer?
answer:They may use refurbished or non-genuine parts. We prioritize quality and authenticity.
question:Why is a service fee charged?
answer:Service fees cover payment processing, logistics coordination, and quality assurance services.
question:What if refurbished products malfunction post-purchase?
answer:We offer free replacement or refund per policy, ensuring compliance with quality standards.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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