Precision Inductive Sensing for Reliable Metal Detection

The Pepperl+Fuchs NBB15-U1-A2 is a high-performance inductive proximity sensor designed for precise non-contact detection of metal objects in industrial automation. With a rated operating distance of 15 mm (flush mounting) and a robust 4-wire DC PNP output, it ensures reliable switching signals across a wide voltage range (10–30 V DC). The sensor features reverse polarity and short-circuit protection, minimizing downtime from electrical faults, while a 360° visible yellow LED indicator provides clear feedback on the switching state for easy diagnostics. Its 5% hysteresis and 560 Hz switching frequency enable stable, high-speed detection, making it ideal for applications like machinery positioning, conveyor control, and part counting where accuracy and consistency are critical.

Robust Construction for Harsh Industrial Environments

Engineered to thrive in demanding conditions, the NBB15-U1-A2 boasts a durable housing made of PA/metal with an epoxy powder coating, resisting corrosion, impact, and vibration. Its IP68/IP69K protection rating ensures full waterproof and dustproof performance, even in 高压清洗 or submerged environments, while the wide operating temperature range (-25°C to +85°C) suits both freezing warehouses and high-heat production zones. The sensor’s bidirectional, rotatable head allows flexible alignment in tight spaces, and its screw terminal connections (supporting up to 2.5 mm² conductors) enable secure, straightforward installations. Compliance with EN IEC 60947-5-2 and UL listing guarantees safety and reliability across global industrial settings.

Versatile Performance for Seamless System Integration

Designed for adaptability, this inductive sensor offers complementary switching functions (NO/NC) and reduced detection distances for various metals (e.g., aluminum: 0.33, copper: 0.30), enhancing versatility in complex automation setups. The 4-wire configuration simplifies wiring to PLCs and control units, while its low off-state current (0.5 mA) and 200 mA operating current optimize energy efficiency. Weighing just 225 g and featuring a compact design, it integrates effortlessly into space-constrained machinery. Supported by 3D CAD models and EPLAN data, the NBB15-U1-A2 is ideal for applications ranging from automotive manufacturing and process control to mobile machinery, delivering precision, durability, and ease of use to elevate industrial automation efficiency.

​Xiamen Zhicheng Automation Technology Co., Ltd

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