Pepperl+Fuchs NBB2-12GM40-Z0 88190 2 Mm Flush 2 Wire DC Inductive Proximity Sensor

Pepperl+Fuchs NBB2-12GM40-Z0 88190 2 mm flush 2-wire DC Inductive Proximity Sensor

1. Overview of the Pepperl+Fuchs NBB2-12GM40-Z0 88190

The Pepperl+Fuchs NBB2-12GM40-Z0 88190 is an M12 cylindrical inductive proximity switch with a threaded stainless steel housing. Measuring only 43 mm in length, it delivers stable, contactless detection of metal targets within a distance of 2 mm. It supports a wide range of 5…60 V DC power supplies, a two-wire normally open output, and a high switching frequency of 0…1000 Hz, enabling high-speed counting and position feedback. IP67 protection, reverse polarity protection, and short-circuit protection ensure long-term reliable operation in machine tools, assembly lines, or logistics equipment.

Thanks to Pepperl+Fuchs' industrial-grade design, the sensor can be directly connected to the digital inputs of PLCs, relays, or frequency converters without an additional amplifier, significantly simplifying system integration. LED status indicators facilitate quick on-site diagnostics, while UL/cULus certification and a 2250-year mean-to-failure time-to-failure (MTTF) data provide equipment manufacturers and end users with quantifiable safety and longevity assurance. Whether it's precision positioning in a placement machine or bottle cap inspection on a packaging line, the NBB2-12GM40-Z0 can improve the efficiency and yield of automated production lines with millimeter-level repeatability.

2. Core Features:

1. Core Detection Performance
• Rated sensing distance: 2 mm (flush mount), effective operating window 1.8 – 2.2 mm
• Switching function: Normally open (NO), two-wire DC output, eliminating the need for a separate power cable and simplifying wiring
• Switching frequency: 0 – 1000 Hz, enabling stable detection of metal targets even in high-speed motion
• Hysteresis: Typical 5%, ensuring reliable differentiation between actuation and reset points and preventing chatter

2. Electrical and Mechanical Parameters
• Power supply range: 5 – 60 V DC, an extremely wide voltage window, compatible with PLC, relay, and inverter inputs
• Load capacity: 2 – 100 mA, off-state current ≤ 0.5 mA, voltage drop ≤ 5 V
• Protection: Reverse polarity protection (reverse connection permitted), pulse short-circuit protection, and self-recovery after faults
• Housing material: Nickel-plated brass, PBT sensing face; IP67 rating, -25 – +70°C stable operation
• Connection method: 2 m gray PVC cable, 3 mm Outer diameter, bend radius > 30 mm
• Status Indicator: 360° visible yellow LED, real-time display of on/off status

3. Reliability and Certifications
• Service Life: MTTFd = 2250 years (EN ISO 13849), Mission Time TM = 20 years
• International Certifications: cULus Listed, CCC Compulsory Certification, compliant with EN IEC 60947-5-2
• Application Environment: Suitable for machine tools, assembly lines, logistics conveying, packaging equipment, and other applications requiring non-contact, high-speed, and high-precision metal detection.

3. Product details pictures

4. Related products

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