Proximity Switch Sensor

LJ12A3-4-Z/EX Detect metal object Switching Transducer inductance Proximity Switch

PROXIMITY SWITCH
Brand
NQQK

LJ12A3-4-Z/EX Detect metal object Switching Transducer inductance Proximity Switch 

Model

LJ12A3-4-Z/EX

Operation mode

DC NO

Sensing distance

4 mm ±10%

Set distance

0 to 3.2 mm

Differential travel

10% max. of sensing distance

Detectable object

Ferrous metal 

Response frequency

500 Hz

Power supply voltage (operating voltage range)

6 to 36 VDC

Current consumption

20 mA max.

Load current

200 mA max. at 36 VDC max. 

Switching state indicator

LED, Red

Protection circuits

Reverse polarity protection, Surge suppressor

Ambient temperature range

Operating/Storage: -25 to 85°C (with no icing or condensation) *

Ambient humidity range

Operating/Storage: 35% to 95% (with no condensation)

Temperature influence

±10% max. of sensing distance at 23°C in the temperature range of -25 to 70°C

Voltage influence

±2.5% max. of sensing distance at rated voltage in the rated voltage ±10% range

Insulation resistance

50 MΩ min. (at 500 VDC) between current-carrying parts and case

Dielectric strength

1,000 VAC, 50/60 Hz for 1 minute between current-carrying parts and case

Vibration resistance

Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions

Shock resistance

Destruction: 500 m/s2 3 times each in X, Y, and Z directions

Degree of protection

IP67

Connection method

Pre-wired (1.5 m)

Weight (packed state)

Approx. 44 g

Materials

Case

brass, nickel-plated

 

Sensing surface

PBT

 

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