Pepperl & Fuchs NBB4-12GM30-E2-V1 Inductive Sensor

Key Features:

  • 4 mm sensing distance

  • PNP normally open output

  • Operating voltage: 10–30 VDC

  • M12 threaded cylindrical housing (30 mm length)

  • IP67 protection against dust and moisture

  • V1 (M12) connector for quick installation

Featuring an M12 threaded cylindrical housing with a 30 mm body length, the NBB4-12GM30-E2-V1 is easy to mount in tight spaces while maintaining mechanical stability. It comes equipped with a PNP normally open output and an M12 connector (V1) for simple, fast integration into automation systems. With an IP67 protection rating, the sensor is built to withstand dust, moisture, and challenging industrial conditions. Ideal applications include packaging machines, conveyor systems, material handling, and general factory automation.

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Product Specification

Switching function Normally open (NO)
Output type PNP
Rated operating distance 4 mm
Installation Flush
Output polarity DC
Assured operating distance 0 ... 3.24 mm
Actuating element Mild steel, e. g. 1.0037, SR235JR (formerly St37-2) 12 mm x 12 mm x 1 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.35
Reduction factor r304 0.79
Reduction factor rBrass 0.49
Output type 3-wire

Frequently Asked Questions

Industrial Communication & Interface Technology enables data and signal exchange between field devices (like sensors and actuators) and control systems. Pepperl+Fuchs offers a comprehensive range of solutions designed to ensure reliable, efficient, and safe connectivity in industrial environments.

Their technologies are widely used across process automation, manufacturing, chemical plants, oil and gas, water treatment, food and beverage, and pharmaceutical industries — anywhere robust communication and system reliability are essential.

Yes, many of their solutions — including HMIs, Remote I/O, surge protection, and signal conditioners — are certified for use in hazardous areas with ATEX, IECEx, and other global approvals.

AS-Interface (AS-i) is a simple, two-wire network system that connects sensors and actuators to a controller. It reduces wiring complexity, cuts installation time, and allows for cost-effective modular expansion.

Ethernet-APL (Advanced Physical Layer) is a next-gen communication technology that brings high-speed Ethernet to field devices in hazardous areas. It supports longer cable lengths and intrinsic safety, enabling digital transformation at the process level.

Signal conditioners isolate, convert, and amplify analog signals to ensure accurate, interference-free communication between field instruments and control systems. They also help prevent ground loops and electrical noise.

Yes, their HMI and thin client solutions are compatible with virtualised environments like VMware, Citrix, and RDP. These allow for secure, centralised monitoring and control across plant systems.

Remote I/O systems collect I/O signals at the field level and transmit them to the control room over fieldbus or Ethernet networks. This decentralised approach reduces cabling and simplifies system architecture, especially in hazardous zones.


Yes, Pepperl+Fuchs HART interface solutions allow analog and digital data from HART instruments to be integrated into DCS/PLC systems. This enables remote diagnostics and configuration alongside traditional 4–20 mA signals.


They offer surge protection devices for power, data, and signal lines. These protect sensitive equipment from voltage spikes, ensuring uptime and extending equipment life — even in harsh or lightning-prone environments.

IO-Link is a point-to-point communication protocol that allows devices to send rich diagnostic and configuration data to the controller. This supports predictive maintenance, faster setup, and smarter process optimisation.

Yes, products like multiport serial cards and signal conditioners are specifically designed to help integrate older devices with modern automation networks — offering a smooth migration path for system upgrades.

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Pepperl & Fuchs NBB4-12GM30-E2-V1