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Tube Type Inductive Proximity Sensor Detection Switch NPN DC5-36V 4mm Normally Open switch LJ12A3-4-Z/BX
Tube Type Inductive Proximity Sensor Detection Switch NPN DC5-36V 4mm Normally Open switch LJ12A3-4-Z/BX
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- When proximity switch is close to some target object, it will send out control signal.
- Red LED checks the state of the proximity sensor
- High repeated positioning accuracy
- High switching frequency
- Antivibration, dust, water and oil prevention
- Reverse power protection, short circuit protection, directly connecting with PLC
- Can replace small switches and limit switches
LJ12A3-4-Z/BX NPN DC5-36V 4mm Normally Open Tube Type Inductive Proximity Sensor Switch
This LJ12A3-4-Z-BX-NPN DC 5-36V Inductive 4mm NPN-NO Proximity Sensor Switch also known as Approach Sensor is a component widely used in the automatic control industry for detecting, controlling, and non-contact switching. When the proximity switch is close to some target object, it will send out a control signal.
When the metal approaches near-proximity switch sensing area, an Edy Current is induced in metal. Which in turn disturbs the magnetic field produced by the Inductive Proximity Sensor. This change is sensed by the sensor.
These inductive proximity switches can be non-contact, have no pressure, no spark, and quickly issue the electrical command. Accurately reflect the position and stroke movement mechanism. Positioning accuracy, operating frequency, service life. Easy to install and suitable for harsh environments.
This 4mm proximity sensor can detect a variety of metals, miniature size, long life, low price, shielded type installation, anti-interference ability, 1mm detection distance, used for precise positioning of molds, precision machine tools, and robots.
Applications:
- It is widely used in machines, paper making, light industry for limiting stations, orientation taking count, speeding trials, etc.
- Used in the automatic control industry for detecting, controlling, and noncontact switching.
Read our blog Proximity Sensor Types where we explained what is a proximity sensor, different types of Proximity Sensors, and their working principle.
Package Includes:
- 1 x DC 5-36V M12 Inductive 4mm NPN-NO Proximity Sensor Switch
Specifications:
| Model number | LJ12A3-4 series |
| External dimensions | M12x60 |
| Detection distance | 4mm |
| Setting distance | 0-3.2 mm |
| Supply voltage | 5-36Vdc, 5Vdc; 90-250Vac, 50/60Hz |
| Output current | DC type: 36v 300mA max 5v 150mA max; AC Type: 400mA |
| Standard detected object | Lron (12x12x1mm) |
| Sensing object | Magnetic metals (if it is not magnetic metals, the sensing distance would decrease) |
| Response frequency | 200Hz |
| Matched mounting bracket | M12 mounting bracket |
| Output indication | Red LED |
| Reverse connection protection | Yes |
| Insulation resistance | 20MΩ min (between charging part and housing) |
| Dielectric strength | 1000Vac, 1min (between charging part and housing) |
| IP Rating | IP65 |
| Operating temperature | -20 to 70 °C |
| Cable length | 1.2m, PVC cable |
| Material | Case: Brass-nickel plated; Sensing surface: ABS |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
