The NI8-M18-AZ3X is a non-contact, 2-wire proximity sensor with a threaded barrel design (M18 x 1) and a chrome-plated brass housing. It is capable of operating with both AC (20…250 VAC) and DC (10…300 VDC) voltage. The sensor has a switching distance of 8mm and is designed for non-flush mounting.

General Data:

Rated switching distance: 8mm
Mounting conditions: Non-flush
Secured operating distance: ≤ (0.81 × Sn) mm
Correction factors: St37 = 1; Al = 0.3; stainless steel = 0.7; Ms = 0.4
Repeat accuracy: ≤ 2% of full scale
Temperature drift: ≤ ±10%
Hysteresis: 3…15%

Electrical Data:

Operating voltage: 20…250 VAC, 10…300 VDC
AC rated operational current: ≤ 400 mA
DC rated operational current: ≤ 300 mA
Frequency: ≥ 50…≤ 60 Hz
Residual current: ≤ 1.7 mA
Isolation test voltage: ≤ 1.5 kV
Surge current: ≤ 8 A (≤ 10 ms max. 5 Hz)
Voltage drop at Ie: ≤ 6 V
Output function: 2-wire, NO contact, 2-wire
Smallest operating current: ≥ 3 mA
Switching frequency: 0.02 kHz

Mechanical Data:

Design: Threaded barrel, M18 × 1
Dimensions: 64mm
Housing material: Metal, CuZn, Chrome-plated
Active area material: Plastic, PA12-GF30
End cap: Plastic, EPTR
Max. tightening torque of housing nut: 25 Nm
Electrical connection: Cable
Cable quality: Ø 5.2 mm, LifYY, PVC, 2 m
Core cross-section: 3 x 0.5 mm2

Environmental Conditions:

Ambient temperature: -25…+70 °C
Vibration resistance: 55 Hz (1 mm)
Shock resistance: 30 g (11 ms)
Protection class: IP67
MTTF: 2283 years acc. to SN 29500 (Ed. 99) 40°C
Switching state LED: Red