{"product_id":"pepperl-fuchs-nbb15-30gm50-a2-inductive-sensor-cylindrical-proximity-sensors","title":"Pepperl+Fuchs NBB15-30GM50-A2 Inductive Sensor Cylindrical Proximity Sensors","description":"\u003cp\u003eThe \u003cstrong\u003ePepperl+Fuchs NBB15-30GM50-A2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNBB15-30GM50\u003c\/strong\u003e Inductive Sensor, operates as a dedicated hardware component for contactless metal target detection within discrete automated switching circuits.\u003c\/p\u003e\n\u003ch3\u003eNomenclature \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cp\u003eThe structured part designation string defines specific physical and operational characteristics:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNBB15\u003c\/strong\u003e: Inductive switch series designation indicating a 15 mm nominal sensing distance with flush mounting capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30GM50\u003c\/strong\u003e: M30 x 1.5 threaded brass nickel-plated housing with a total length of 50 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA2\u003c\/strong\u003e: 4-wire DC configuration providing dual PNP output logic (normally open NO and normally closed NC complementary switching).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Performance Parameters\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNBB15-30GM50-A2 (Part No. 088239)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePepperl+Fuchs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e30 mm (Diameter) x 50 mm (Length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNo-load supply current \u0026lt;= 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e10 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e0 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Operating Distance\u003c\/td\u003e\n\u003ctd\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eFlush mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e4-wire PNP complementary (NO + NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e0 to 200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Drop\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 2.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Protection\u003c\/td\u003e\n\u003ctd\u003ePulsing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Polarity Protection\u003c\/td\u003e\n\u003ctd\u003eReverse polarity protected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHazardous Area Isolation \u0026amp; Surge Suppression\u003c\/h3\u003e\n\u003cp\u003eThe internal sensing architecture integrates surge voltage protection limits to guard against high-voltage inductive switching transients across field wiring. When used in conjunction with intrinsic safety (Ex i) barriers in hazardous process locations, physical signal paths maintain absolute galvanic isolation. Direct panel earth grounding guarantees DIN-rail mounting stability for interface modules, maintaining low protocol conversion latencies across network gateways.\u003c\/p\u003e\n\u003ch3\u003eScope of Delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Pepperl+Fuchs NBB15-30GM50-A2 Inductive Proximity Sensor\u003c\/li\u003e\n\u003cli\u003e2 x Hexagonal Fastening Nuts (M30 x 1.5)\u003c\/li\u003e\n\u003cli\u003e2 x Lock Washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Wiring Procedures \u0026amp; Mounting Protocol\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePosition the M30 cylindrical body into the mounting cutout, ensuring the sensing face aligns flush with adjacent steel mounting structures.\u003c\/li\u003e\n\u003cli\u003eTighten the two included M30 retaining locknuts with an adjustable wrench to a maximum tightening torque specification of 30 Nm.\u003c\/li\u003e\n\u003cli\u003eRoute the 2-meter PVC jacketed cable through wire ducts, avoiding parallel cable runs alongside high-voltage VFD motor output lines.\u003c\/li\u003e\n\u003cli\u003eConnect Brown to +10...30 VDC positive power, Blue to 0 VDC ground, Black to PNP NO switching load, and White to PNP NC switching load.\u003c\/li\u003e\n\u003cli\u003eConfirm earth continuity across metallic conduit fittings to ensure proper noise attenuation and electrical interference suppression.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Frequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the color assignments for the 4-core flying lead connection cable?\u003c\/p\u003e\n\u003cp\u003eBrown connects to positive DC supply (+VDC), Blue connects to 0 VDC ground, Black provides the PNP NO output signal, and White provides the PNP NC output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the NBB15-30GM50-A2 sensor be installed flush in mild steel plates?\u003c\/p\u003e\n\u003cp\u003eYes, the shielded internal construction allows flush installation in metallic mounting plates up to the sensing surface without causing lateral false tripping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat behavior occurs on the PNP switching channels during a short-circuit fault?\u003c\/p\u003e\n\u003cp\u003eIntegrated pulsing short-circuit protection limits output fault current instantly, cycling state execution until the external short condition is cleared.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum operating switching frequency for this proximity switch?\u003c\/p\u003e\n\u003cp\u003eThe oscillator circuit supports a maximum continuous switching rate of 500 Hz for high-speed target indexing and counting tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the dual output complementary switching logic utilized in control schemes?\u003c\/p\u003e\n\u003cp\u003eThe complementary output provides simultaneous NO and NC signal states, allowing broken-wire monitoring or concurrent signal routing to dual controller inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the M30 metal body withstand exposure to moisture and dust ingress?\u003c\/p\u003e\n\u003cp\u003eYes, the fully potted nickel-plated brass cylindrical enclosure meets IP67 ingress protection ratings against dust and water immersion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat target dimensions are required to achieve the full 15 mm sensing distance?\u003c\/p\u003e\n\u003cp\u003eThe rated 15 mm operating distance is established using a standard mild steel (Fe 360) target measuring 45 mm x 45 mm x 1 mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the input supply protected against reversed polarity wire connections?\u003c\/p\u003e\n\u003cp\u003eYes, internal blocking diodes prevent component failure if the positive DC supply and ground power wires are connected in reverse.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":47508774322349,"sku":"NBB15-30GM50-A2","price":96.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/nbb15-30gm50-a2_1.jpg?v=1789090629","url":"https:\/\/www.maxwellplc.com\/products\/pepperl-fuchs-nbb15-30gm50-a2-inductive-sensor-cylindrical-proximity-sensors","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}