Brent (HEIYEN) is principally engaged in automation engineering, electrical and mechanical engineering, electrical engineering, electronic control equipment, industrial control programming, programming services, AC and DC electric drive systems, automation control systems and their device research and services, not only independent contracting projects directly, but also for the user design and development of advanced automatic control system and provides a complete set of modern electronic control equipment. The service industry involves many fields of metallurgy, mining, petroleum, chemical, pharmaceutical, building materials, electricity, environmental protection, food, paper and research experiments. Especially for metallurgical industry ironmaking, steelmaking, continuous casting and rolling production line (bar rolling, the tropical and rolling, H-shaped steel and rolling and cold strip and rolling) provides advanced electrical power systems and automation control system. P + F, MTL, IFM, SICK perennial with large inventory ...... NBB15-U1-E2 features? 15 mm flush-mounted? Comprehensive 360o visible 4 LEDs light general description of the switch point function PNP normally open Rated operating distance sn 15 mm Installation sa 0 ... 12.15 mm flush-mounted output polarity DC reliable range of motion attenuation coefficient rAI 0.33 attenuation coefficient rCu 0.31 attenuation coefficient rV2A 0.74 attenuation coefficient rBrass 0.41 level rated operating voltage UB 10 ... 30 V switching frequency f 0 Hysteresis H typ ... 200 Hz 5% reverse polarity protection, short circuit protection pulsed voltage drop Ud ≤ 2 V Operating current IL 0 ... 200 mA leakage current Ir 0 ... 0.5 mA typ 0.01 mA no-load current Io ≤ 20 mA Operating voltage display green LED switch status indication yellow LED For more product information please contact us!