Technical Datasheet: Pepperl+Fuchs NJ4-30GM-N-200 Inductive Sensor

The NJ4-30GM-N-200 (part of the /02639 variant series) is a specialized high-temperature inductive proximity sensor designed for hazardous and extreme industrial environments. It features a robust stainless steel cylindrical housing and is engineered to operate reliably in temperatures up to 200°C.

1. General Specifications

• Manufacturer: Pepperl+Fuchs

• Model Number: NJ4-30GM-N-200

• Sensor Type: Inductive Proximity Sensor

• Output Type: NAMUR (2-wire)

• Installation: Flush mountable

2. Electrical Characteristics

3. Detection Performance

• Rated Operating Distance : 4 mm

• Assured Operating Distance : 0 to 3.04 mm

• Hysteresis : ≤ 20 % at 200°C

• Reduction Factors: * Aluminum: 0.4

  • Copper : 0.3

  • Stainless Steel 304 : 0.85

4. Environmental & Mechanical Data

• Operating Temperature: 0°C to 200°C (32°F to 392°F)

• Degree of Protection: IP65

• Housing Material: Stainless steel 1.4305 / AISI 303

• Sensing Face: PPS (Polyphenylene sulfide)

• Connection: High-temperature SIHF or FEP cable (typically 2m to 10m)

• Thread Size: M30 x 1.5

5. Certifications & Safety

• ATEX/IECEx: Intrinsic safety for use in hazardous areas (Equipment protection levels Ga, Gb, Da).

• Safety Standard: NAMUR EN 60947-5-6:2000.

• Laser Marking: Identification “NJ4-30GM-N-200” is laser-etched on the stainless steel body.