# Pepperl+Fuchs NJ4-12GK40-E2 Inductive Sensor - 4mm PNP NO

The **Pepperl+Fuchs NJ4-12GK40-E2** is a high-performance inductive proximity sensor, engineered for precision object detection in industrial settings. This sensor is essential for automating processes and ensuring the reliable operation of machinery. It is designed for accurate and contactless detection of metallic objects.

This sensor offers reliable performance and is built to withstand harsh industrial environments. The **NJ4-12GK40-E2** operates on a 10-30V DC power supply, with a 4 mm sensing range and an industry-standard PNP output. Its short-circuit and reverse polarity protection features enhance operational safety. It is designed for easy installation with a compact cylindrical housing.

Key Features:

-   **Inductive Proximity Sensor** for contactless object detection.
-   **4 mm Sensing Range** for precise target acquisition.
-   **PNP Output** for seamless integration with automation systems.
-   **Reverse Polarity Protection** ensures safe operation.
-   **M12 Threaded Housing** for secure and easy mounting.

Specifications:

-   Model: **NJ4-12GK40-E2**
-   Voltage: 10-30 V DC
-   Sensing Range: 4 mm
-   Output: PNP NO
-   Operating Frequency: 0-2000 Hz

The **Pepperl+Fuchs NJ4-12GK40-E2** is a dependable solution for improving efficiency in various industrial applications. Its robust design and precise performance make it an ideal choice for ensuring smooth and reliable operations in your industrial or automation systems. For further assistance or inquiries, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Pepperl+Fuchs
- **Type:** Industrial Automation > Sensors > Proximity Sensors
- **Tags:** inductive sensor, NJ4-12GK40-E2, object detection, Pepperl+Fuchs, PNP sensor, proximity switch

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Pepperl+Fuchs NJ4-12GK40-E2 Inductive Sensor - 4mm PNP NO-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/pepperl-fuchs-nj4-12gk40-e2)
> Updated: 2026-10-19