LJA30 Long Cylindrical Inductive Proximity Switch
LJA30 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.); If you have any questions, please feel free to contact us:E-mail: [email protected]
- Descrizione
| Output form | Embedded | Non-embedded | ||
| D C | NPN | NO | LJA30-10N1 | LJA30M-15N1 |
| NC | LJA30-10N2 | LJA30M-15N2 | ||
| PNP | NO | LJA30-10P1 | LJA30M-15P1 | |
| NC | LJA30-10P2 | LJA30M-15P2 | ||
| 2-wire | NO | LJA30-10D1 | LJA30M-15D1 | |
| NC | LJA30-10D2 | LJA30M-15D2 | ||
| A C | 2-wire | NO | LJA30-10A1 | LJA30M-15A1 |
| NC | LJA30-10A2 | LJA30M-15A2 | ||
| Detection distance ※1 | 10mm | 15mm | ||
| Setting distance | 0 ~ 8.5mm | 0 ~ 12.75mm | ||
| Oggetto di rilevamento standard | 30*30*1mm Iron 45*45*1mm Iron | |||
| Response frequency ※2 | N / P :100Hz、DC:100Hz、AC:25Hz | |||
| Differenza di rendimento | Meno di 15 % di distanza di rilevamento | |||
| Oggetti rilevabili | Magnetic metals (shorter detection distances for non-magnetic metals) | |||
| Tensione di alimentazione | DC :Rated voltage DC12~24V (use range voltage DC10~30V);AC:M8:AC90~250V,M12-M30:AC24~250V | |||
| Corrente operativa | Load current ≤200mA | |||
| Tensione residua | NPN :≤ 1.5V;PNP :≤ 2.5V; DC 2-wire:≤ 4V; AC 2-wire:≤ 7V | |||
| Leakage current | When 24VDC, max 0.1mA | |||
| Circuito di protezione | DC: polarity, overcurrent protection; AC: surge absorption protection | |||
| Indicatore luminoso | Dual light display: power indicator green, action indicator red | |||
| Intervallo di temperatura | Operating: -25 to +70°C (no icing, condensation); Storage: -40 to +85°C (no icing, condensation) | |||
| Intervallo di umidità | 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 | |||
| Materiale della superficie di rilevamento | PBT | |||
| Overall dimensions | Embedded | Non-embedded | ![]() |
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| Item | Specifica | 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 | |||||

Caratteristiche:
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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