LJA8 Long Cylindrical Inductive Proximity Switch - WEHO
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LJA8 Long Cylindrical Inductive Proximity Switch

LJA8 proximity switch is a displacement sensor with switching output. The output includes NPN, PNP, normally open, normally closed, relay, etc. It can detect transparent and opaque objects such as metal (such as iron, steel, copper), plastic, glass, wood, water, paper, magnets, etc. It can be controlled with PLC and servo Inverters, frequency converters, counters, and controllers are connected to realize automatic signal input.

Widely used in machinery, textile, light industry, papermaking, printing, packaging and other industries.

At the same time, it is divided into two series: C series high-end proximity switch and ordinary type according to the use requirements.

Inductive proximity switches detect metal objects (such as iron, steel, copper, etc.);

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Output form Embedded Non-embedded
D   C NPN NO LJA8-1.5N1 LJA8M-2N1
NC LJA8-1.5N2 LJA8M-2N2
PNP NO LJA8-1.5P1 LJA8M-2P1
NC LJA8-1.5P2 LJA8M-2P2
2-wire NO LJA8-1.5D1 LJA8M-2D1
NC LJA8-1.5D2 LJA8M-2D2
A   C 2-wire NO LJA8-1.5A1 LJA8M-2A1
NC LJA8-1.5A2 LJA8M-2A2
Detection distance ※1 1.5mm 2mm
Setting distance 0 ~ 1.275mm 0 ~ 1.7mm
Standard detection object 8*8*1mm Iron
Response frequency ※2 N / P :1200Hz、DC:400Hz、AC:25Hz
Return Difference Less than 15 % of detection distance
Detectable objects Magnetic metals (shorter detection distances for non-magnetic metals)
Supply Voltage DC :Rated voltage DC12~24V (use range voltage DC10~30V);AC:M8:AC90~250V,M12-M30:AC24~250V
Operating current Load current ≤200mA
Residual voltage NPN :≤ 1.5V;PNP :≤ 2.5V; DC 2-wire:≤ 4V; AC 2-wire:≤ 7V
Leakage current When 24VDC, max 0.1mA
Protection circuit DC: polarity, overcurrent protection; AC: surge absorption protection
Indicator light Dual light display: power indicator green, action indicator red
Temperature range Operating: -25 to +70°C (no icing, condensation); Storage: -40 to +85°C (no icing, condensation)
Humidity range Operation, storage: 35~95% (no condensation)
Temperature effect (drift) -25~+70℃ temperature range, the detection distance is within ±10% of the detection distance at +23℃.
Protective structure IP67
Housing Material Chrome Plated Brass
Sensing surface material PBT

 

Overall dimensions Embedded Non-embedded LJA8 Long Cylindrical Inductive Proximity Switch  title=
LJA8 Long Cylindrical Inductive Proximity Switch  title= LJA8 Long Cylindrical Inductive Proximity Switch  title=
Item Specification a b C d e f g
Embedded LJA8 41.7±0.5 35±0.5 3.5 M8×1 12 AF12
Non-embedded LJA8M 45.2±0.5 4
Embedded LJA12 51.6±0.5 40±0.5 40±0.5 4 M12×1 17 AF17
Non-embedded LJA12M 54.0±0.5 35±0.5 8
Embedded LJA18 51.8±0.5 52±0.5 40±0.5 4 M18×1 24 AF24
Non-embedded LJA18M 58.0±0.5 35±0.5 12
Embedded LJA30 52.0±0.5 52±0.5 40±0.5 4.7 M30×1.5 36.2 AF35.8
Non-embedded LJA30M 61.0±0.5 35±0.5 15

 

LJA8 Long Cylindrical Inductive Proximity Switch  title=

 

Features:

1.Stable performance, internal electronic components SMT chip technology, stable and reliable performance.

2.Powerful function, polarity protection to prevent reverse wiring.

3.Safe and worry-free, using ferrite core, the magnetism will not decay after long-term use.

 

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