LJC Series
Capacitive Proximity Sensor
LJC series capacitive proximity sensor is a round shape proximity sensor with 15-25mm detection distance , and 0-22mm setting distance. Depending on the housing material, this series of inductive proximity sensors can be divided into LJC-A3 series (chrome plated brass) and LJC-A4 series (ABS). LJC series proximity sensors have the advantages of cost-effective, simple to operate, long life and high reliability, and can adapt to complex working environments. LJC series proximity sensors are equipped with power reverse protection, short-circuit protection, etc., and can be directly connected with PLC device. The operating status of the sensor can be directly observed through the red LED, LJC series proximity sensors are IP67 protected (IEC standard). Depending on the control output, proximity sensors can be divided into NPN type (N type), PNP type (P type), AC type (A type), and DC type (D type). For more information about the proximity sensors, please visit "What is Proximity Sensors".
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How to order
Features
● Reverse power supply protection, and short circuit protection
● Long life and high reliability, high environmental adaptability
● Directly connect to PLC
● The red LED shows the operating status of the sensor
● Cost-effective and simple to operate
● IP67 protection structure (IEC specification)
● Please read "Precautions for Proximity Sensors" before use
Parameters
● Lagging Distance: Less than 10% of detection distance
● Sensing Object: Magnetic metal (if non-magnetic object, the detection distance will be reduced)
● Supply Voltage: DC type — 12-24VDC (6-36VDC) with voltage pulsation (p-p) below 10%; AC type — 110-220VAC (36-250VAC), 50/60Hz
● Current Consumption Type N.P — under 13mA; Type D — under 0.8mA; Type A — under 1.7mA
● Control Output: Type N.P — under 300mA; Type D — under 200mA; Type A — under 400mA
● Circuit Protection: Type N.P.D — Reverse power supply protection, surge absorption, short-circuit protection; Type A — Surge absorption
● Ambient Temperature (operating, storage): -30-+65°C (non-freezing, non-condensing)
● Ambient Humidity (operating, storage): 35-95%RH
● Insulation Impedance: Above 50 MΩ (between the charging section and the housing, using a DC500 megohmmeter)
● Withstanding Voltage (1min): 1000VAC, 50/60Hz (between charging section and case)
● Temperature Effect: If the temperature range is -30 to +65℃, the sensing distance is within ±15% of the detection distance at +23℃; if the temperature range is -25 to +60℃, the sensing distance is within ±10% of the detection distance at +23℃.
● Voltage Effect: If the voltage range is within ±15% of the rated supply voltage, the sensing distance is within ±10% of the detection distance at the rated supply voltage.
● Protective Structure: IP67 (IEC standard)
● Material: Housing — nickel plated brass / FRP / ABS; Detection surface — ABS
Datasheet
LJC Series Proximity Sensor Dimensions M12x1 M18x1 Mounting Methods Shielded Unshielded Shielded Unshielded Models DC NPN NO LJC12A3-2-Z/BX LJC12A3-A-Z/BX LJC18A3-5-Z/BX LJC18A3-B-Z/BX NC LJC12A3-2-Z/AX LJC12A3-A-Z/AX LJC18A3-5-Z/AX LJC18A3-B-Z/AX NO+NC PNP NO LJC12A3-2-Z/BY LJC12A3-A-Z/BY LJC18A3-5-Z/BY LJC18A3-B-Z/BY NC LJC12A3-2-Z/AY LJC12A3-A-Z/AY LJC18A3-5-Z/AY LJC18A3-B-Z/AY NO+NC 2-wires NO NC AC 2-wires NO LJC18A3-5-J/EZ LJC18A3-B-J/EZ NC LJC18A3-5-J/DZ LJC18A3-B-J/DZ 3-wires NO+NC Detection Distance 2mm±10% 5mm±10% 5mm±10% 10mm±10% Set Distance 0~17mm 0~4mm 0~4mm 0~8mm Standard Sensing Object Steel 50x50x1mm Steel 50x50x1mm Steel 50x50x1mm Steel 50x50x1mm Response Frequency DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure1 Figure2 Figure3 Figure4 Dimensions M24x1.5 M30x1.5 Mounting Methods Shielded Unshielded Shielded Unshielded Models DC NPN NO LJC24A3-8-Z/BX LJC24A3-T-Z/BX LJC30A3-10-Z/BX LJC30A3-H-Z/BX NC LJC24A3-8-Z/AX LJC24A3-T-Z/AX LJC30A3-10-Z/AX LJC30A3-H-Z/AX NO+NC PNP NO LJC24A3-8-Z/BY LJC24A3-T-Z/BY LJC30A3-10-Z/BY LJC30A3-H-Z/BX NC LJC24A3-8-Z/AY LJC24A3-T-Z/AY LJC30A3-10-Z/AY LJC30A3-H-Z/AX NO+NC 2-wires NO NC AC 2-wires NO LJC24A3-8-J/EZ LJC24A3-T-J/EZ LJC30A3-10-J/EZ LJC30A3-H-J/EX NC LJC24A3-8-J/DZ LJC24A3-T-J/DZ LJC30A3-10-J/DZ LJC30A3-H-J/DX 3-wires NO+NC Detection Distance 8mm±10% 15mm±10% 10mm±10% 20mm±10% Set Distance 0~7mm 0~13mm 0~8mm 0~18mm Standard Sensing Object Steel 50x50x1mm Steel 50x50x1mm Steel 50x50x1mm Steel 50x50x1mm Response Frequency DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure5 Figure6 Figure7 Figure8 Dimensions Φ20 Φ34 M38x1.5 Φ80x80x40 Mounting Methods Unshielded Unshielded Unshielded Unshielded Models DC NPN NO LJC20A4-10-Z/BX LJC34A3-K-Z/BX LJC38A4-20-Z/BX LJC80A4-40-Z/BX NC LJC20A4-10-Z/AX LJC34A3-K-Z/AX LJC38A4-20-Z/AX LJC80A4-40-Z/AX NO+NC PNP NO LJC20A4-10-Z/BY LJC34A3-K-Z/BY LJC38A4-20-Z/BY LJC80A4-40-Z/BY NC LJC20A4-10-Z/AY LJC34A3-K-Z/AY LJC38A4-20-Z/AY LJC80A4-40-Z/AY NO+NC 2-wires NO LJC20A4-10-J/EZ LJC34A3-K-J/EZ LJC38A4-20-J/EZ LJC80A4-40-J/EZ NC LJC20A4-10-J/DZ LJC34A3-K-J/DZ LJC38A4-20-J/DZ LJC80A4-40-J/DZ AC 2-wires NO NC 3-wires NO+NC Detection Distance 10mm±10% 25mm±10% 20mm±10% 40mm±10% Set Distance 0~8mm 0~22mm 0~18mm 0~35mm Standard Sensing Object Steel 50x50x1mm Steel 50x50x1mm Steel 50x50x1mm Steel 50x50x1mm Response Frequency DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure9 Figure10 Figure11 Figure12
Dimensions & wiring diagram
Updates
2023-10-28
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