High-Precision Inductive Sensing for Versatile Industrial Applications

The Pepperl+Fuchs NBB20-L2-E2-V1 is a robust inductive proximity sensor engineered for reliable non-contact metal detection in industrial automation. With a 20 mm rated operating distance (flush mounting), it ensures precise positioning in compact setups, supported by a bidirectional, rotatable sensor head that enables flexible alignment in confined spaces. The 3-wire DC PNP output (normally open) operates across a 10–30 V DC range, integrating seamlessly with control systems while offering reverse polarity and pulsing short-circuit protection. Four 360° visible LEDs—green for power and yellow for switching state—provide intuitive real-time diagnostics, enhancing troubleshooting efficiency. A 440 Hz switching frequency and 5% hysteresis minimize signal fluctuations, making it ideal for high-speed applications like conveyor systems, robotic arm positioning, and part counting.

Rugged Design for Harsh Environmental Resilience

Built to withstand extreme industrial conditions, the NBB20-L2-E2-V1 features a durable polyamide (PA) housing with an IP68/IP69K protection rating, offering full resistance to dust, water, and high-pressure jet cleaning. It maintains stable performance across a -25°C to +85°C ambient temperature range (storage: -40°C to +85°C), adapting to both freezing warehouses and high-heat production zones. The sensor’s compact rectangular design (40 mm x 40 mm x 67 mm, 130 g) and M12 x 1 4-pin connector ensure easy installation in space-constrained or vibration-prone machinery, while its flush-mountable structure reduces interference from surrounding metal surfaces. Metal reduction factors (aluminum: 0.33, copper: 0.31, stainless steel 304: 0.74) enable adaptable detection across various metal types, enhancing versatility in diverse industrial environments.

Global Compliance and Seamless System Integration

Designed for worldwide industrial use, the NBB20-L2-E2-V1 complies with EN IEC 60947-5-2 safety standards and carries certifications including cULus listing, RoHS compliance, and CCC exemption for ≤36 V DC applications. Its functional safety parameters, such as an MTTFd of 1289 years and a 20-year mission time, ensure long-term reliability in non-safety-integrated systems. The sensor’s low voltage drop (≤2 V) and 200 mA operating current support stable power efficiency, while its 3-wire configuration simplifies wiring in complex automation networks. Ideal for automotive manufacturing, logistics, and process control, this sensor combines precision sensing, rugged construction, and global approvals, making it a trusted choice for critical industrial tasks requiring consistent performance and environmental durability.

​Xiamen Zhicheng Automation Technology Co., Ltd

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