SKU: SENS-1210
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Pepperl+Fuchs NBB4-12GM50-E2-V1 Inductive Proximity Sensor, Cylindrical, NBB Series, M12, PNP, 10-30V DC, 4mm Sensing Range

₹13,429.00 (Inclusive of all taxes)
Out of Stock

The Pepperl+Fuchs NBB4-12GM50-E2-V1 is a cylindrical M12 inductive proximity sensor designed for industrial automation, providing reliable non-contact detection of metallic objects. It features a PNP normally open output compatible with PLCs and control systems operating from a 10–30 V DC supply.

Features

  • 4 mm flush-mount sensing range for reliable metal detection
  • PNP normally open (NO) output for direct PLC interface
  • Wide 10–30 V DC operating voltage range
  • IP67-rated nickel-plated brass housing for harsh environments
  • High 800 Hz switching frequency for fast response

Out of stock

Description

The NBB4-12GM50-E2-V1 is an inductive proximity sensor from Pepperl+Fuchs’s NBB series, engineered for precision metal detection in automated machinery and positioning systems. Its operating principle relies on generating an electromagnetic field; the presence of a metallic target within the 4 mm sensing range dampens the oscillation amplitude, triggering the solid-state PNP switch.

Constructed with a nickel-plated brass barrel and a PBT sensing face, the sensor is built to withstand mechanical stress, coolant splashes, and particulate contamination, as certified by its IP67 ingress protection rating. Integrated safeguards include reverse polarity and short-circuit protection, ensuring operational safety and longevity in industrial control panels and mobile equipment.

Key Features

  • Rugged cylindrical design with M12 threaded barrel for secure mounting
  • Stable 4 mm sensing distance with <5% hysteresis for repeatable switching
  • PNP (sourcing) output with normally open configuration simplifies wiring to PLC digital inputs
  • Broad 10–30 V DC supply range ensures compatibility with 12V, 24V, and 30V industrial power rails
  • High-speed 800 Hz switching frequency suitable for fast-moving parts on conveyors or indexing tables
  • IP67 protection guarantees reliable performance in dusty, damp, or washdown environments
  • Integrated yellow LED provides immediate visual confirmation of switching status
  • Built-in electrical protection against wiring errors and overloads enhances system reliability

Applications

  • Machine tooling for spindle and tool position verification
  • Conveyor systems for detecting metal parts or pallets
  • Robotic end-effector position feedback and part presence sensing
  • Packaging machinery for metal foil or can detection and counting
  • Automated assembly lines for verifying component placement

Technical Specifications

Manufacturer Part NumberNBB4-12GM50-E2-V1
Sensor TypeInductive Proximity
Rated Sensing Distance4 mm
InstallationFlush
Output TypePNP, Normally Open (NO)
Operating Voltage10 – 30 V DC
Max. Switching Current200 mA
Switching Frequency800 Hz
HysteresisTyp. 5%
Voltage Drop≤ 3 V
Protection RatingIP67
Housing MaterialNickel-Plated Brass
ConnectionM12 4-Pin Connector
Length65 mm
Diameter18 mm
Weight100 g

Frequently Asked Questions

What is the difference between flush and non-flush mounting for this sensor?

This NBB4 sensor is designed for flush mounting, meaning it can be installed flush with a metal mounting surface without a gap. In flush mounting, the sensing range is reduced (to 4mm here) but the sensor is immune to interference from surrounding metal. Non-flush mounting requires a clearance zone around the sensor barrel.

How do I wire the PNP normally open output to a PLC?

Connect the sensor's brown wire (+V), blue wire (0V/GND), and black wire (signal output) to your system. The black wire is the PNP output; it will switch to supply +V (sourcing) when a metal target is detected. Connect this output to your PLC's digital input, with the input's common terminal connected to 0V to complete the circuit.

Can this sensor detect non-ferrous metals like aluminum or copper?

Yes, inductive proximity sensors detect all conductive metals, but the effective sensing distance varies. For non-ferrous metals like aluminum or copper, the sensing distance is reduced. The 4mm rating is for mild steel (Fe360). For aluminum, expect a reduction factor of approximately 0.4, resulting in a practical sensing distance of about 1.6mm.

What does the IP67 protection rating mean for installation?

IP67 rating indicates the sensor is dust-tight (6) and can withstand temporary immersion in water up to 1 meter for 30 minutes (7). This allows installation in environments with dust, oil mist, or occasional washdowns. Ensure the M12 connector is properly mated and sealed to maintain this rating.

Package Includes

  • 1 x Pepperl+Fuchs NBB4-12GM50-E2-V1 Inductive Proximity Sensor

Additional Information

Weight 0.1 kg
Dimensions 6.5 × 1.8 cm