Proximity Sensor NJ4-12GM-N


SKU: NJ4-12GM-N Categories: ,


Inductive Proximity Sensor NJ4-12GM-N, is the preferred choice for the majority of applications requiring accurate, non-contact detection of metallic objects in machinery or automation equipment. A high quality inductive sensors to meet the needs of the worldwide automation and process control markets.

Switching Function Normally closed (NC)
Output Type NAMUR
Rated Operating Distance 4mm
Installation Non-flush
Assured Operating Distance 0 … 3.24mm
Reduction Factor rAl 0.4
Reduction Factor rCud 0.3
Reduction Factor r304 0.85
Nominal Ratings
Nominal Voltage 8.2 V (Ri approximately 1 kΩ)
Switching Frequency 0 … 1500 Hz
Hysteresis 3 %
Current Consumption
Measuring Plate Not detected min. 3 mA
Measuring Plate Detected ≤ 1 mA
Functional Safety Related Parameters
MTTFd 11774 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Ambient Conditions
Ambient Temperature -25 … 100 °C (-13 … 212 °F)
Mechanical Specifications
Connection Type cable PVC, 2m
Core Cross-section 0.34 mm2
Housing Material Stainless steel 1.4305 / AISI 303
Sensing Face PBT
Housing Diameter 12mm
Degree Of Protection IP67
Bending Radius > 10 x cable diameter
Standard Conformity
NAMUR EN 60947-5-6:2000, IEC 60947-5-6:1999
Approvals & Certificates
FM Approval
Control Drawing 116-0165
UL Approval cULus Listed, General Purpose
CSA Approval cCSAus Listed, General Purpose
CCC Approval CCC approval / marking not required for products rated ≤36 V

PDF Files Available to Download

Installation Conditions