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1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
2. Some parts are tested by machine.
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
| Parameter | Description |
|---|---|
| Type | Inductive Proximity Sensor |
| Model | LJ12A3-4-Z/BY |
| Detection Type | Metal Detection |
| Operating Voltage | 10-30V DC |
| Current Consumption | ≤7mA (at 24V DC) |
| Detection Distance | 4mm (for steel plate) |
| Output Type | NPN NO (Normally Open) |
| Response Time | ≤1ms |
| Repetition Rate | ≥500 times/s |
| Environmental Protection | IP67 (Dust Protected, Water Resistant) |
| Temperature Range | -25°C to +85°C |
| Housing Material | PBT+30%GF (Polybutylene Terephthalate + 30% Glass Fiber) |
| Connection Type | M12 4-pin Connector |
| Weight | Approx. 15g |
Installation:
Wiring:
Power Supply:
Operation:
Maintenance:
Storage:
Precautions:
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $3.14000 | US $2.95160 | US $2.95160 |
| ≥5: | US $2.51000 | US $2.35940 | US $11.79700 |
| ≥10: | US $1.89000 | US $1.77660 | US $17.76600 |
Substitute (equivalent) Product
| Substitute Product | Description |
|---|---|
| LJ12A3-4-Z/BX | Inductive Proximity Sensor, NPN NO, 12mm Diameter, 4mm Sensing Distance, 6-36VDC Power Supply |
| LJ12A3-4-Z/AY | Inductive Proximity Sensor, PNP NO, 12mm Diameter, 4mm Sensing Distance, 6-36VDC Power Supply |
| LJ12A3-4-Z/DX | Inductive Proximity Sensor, NPN NC, 12mm Diameter, 4mm Sensing Distance, 6-36VDC Power Supply |
| LJ12A3-4-Z/CG | Inductive Proximity Sensor, PNP NC, 12mm Diameter, 4mm Sensing Distance, 6-36VDC Power Supply |
| LJ12A3-4-Z/CS | Inductive Proximity Sensor, NPN NO, 12mm Diameter, 4mm Sensing Distance, Shielded Type |
Product Usage
The LJ12A3-4-Z/BY is an inductive proximity sensor commonly used in various industrial and automation circuits. Here are some typical applications and circuits where this sensor might be used:
Automatic Counting Systems:
Position Sensing in CNC Machines:
End-stop Detection in 3D Printers:
Presence Detection in Automation Systems:
Speed Measurement in Rotating Systems:
Safety and Guarding Systems:
Here’s a basic example of how an LJ12A3-4-Z/BY might be integrated into a circuit:
Basic Proximity Sensor Circuit:
Components:
Connections:
Operation:
EM/automation suitcases may also contain protective diodes, capacitors for noise filtering, and switching transistors to handle higher current loads when directly driving large relays or actuators.
An application-specific integrated circuit (ASIC) or microcontroller can further enhance the functionality by processing the sensor signals to implement advanced logic, timing, or communication with other systems.
Global Logistics Country List
| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
LJ12A3-4-Z/BY
LJ12A3-4-Z/BY has several brands around the world that may have alternate names for LJ12A3-4-Z/BY due to regional differences or acquisition. LJ12A3-4-Z/BY may also be known as the following names:
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