Generic M12 Inductive Proximity Sensor 4mm PNP-NO DC6–36V - 1.1m Cable
Generic M12 Inductive Proximity Sensor 4mm PNP-NO DC6–36V - 1.1m Cable - Image 2
Generic M12 Inductive Proximity Sensor 4mm PNP-NO DC6–36V - 1.1m Cable - Image 3
Generic M12 Inductive Proximity Sensor 4mm PNP-NO DC6–36V - 1.1m Cable - Image 4
Generic M12 Inductive Proximity Sensor 4mm PNP-NO DC6–36V - 1.1m Cable - Image 5
SKU: SENS-1290
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Generic M12 Inductive Proximity Sensor 4mm PNP-NO DC6–36V - 1.1m Cable

₹210.00 (Inclusive of all taxes)
Out of Stock

This M12-threaded inductive proximity sensor operates on a 6-36V DC supply and provides a PNP normally open (NO) output for direct connection to PLCs, microcontrollers, and industrial control systems. It detects ferrous and non-ferrous metal targets at a nominal sensing distance of 4mm.

Features

  • M12 threaded metal housing for robust industrial mounting.
  • PNP Normally Open (NO) output compatible with 6-36V DC control systems.
  • 4mm nominal sensing distance for precise metal object detection.
  • Integrated reverse polarity and short-circuit protection.
  • IP-rated construction (dust/water/oil resistant) for harsh environments.

Out of stock

Description

This shielded inductive proximity sensor utilizes an electromagnetic field to detect the presence of metal objects without physical contact. When a metal target enters its sensing field, eddy currents are induced, causing a change in the internal oscillator’s amplitude. This change is processed by the sensor’s circuitry to switch its solid-state PNP output.

Built with an M12 threaded metal barrel and a 1.1-meter attached cable, the sensor is designed for direct panel mounting in industrial automation, CNC machinery, and robotic systems. Its wide operating voltage range and built-in protection features ensure reliable operation in environments with vibration, dust, and occasional fluid exposure.

Key Features

  • Non-contact inductive sensing principle for long operational life and no mechanical wear.
  • High switching frequency enables fast response for high-speed counting and positioning applications.
  • Shielded (flush-mountable) design allows for side-by-side installation without mutual interference.
  • Integrated status LED provides visual confirmation of output switching and power.
  • Wide operating temperature range (-25°C to +70°C) ensures performance in varied industrial settings.
  • Durable metal sensing face and plastic body offer a high-value build for demanding applications.
  • Output is compatible with PLC digital inputs and microcontroller logic-level inputs (with appropriate interfacing).

Applications

  • Position sensing and end-of-travel detection on CNC machine tools and automated linear actuators.
  • Metal part presence verification and counting in assembly lines and packaging machinery.
  • Robotic arm positioning and gripper status feedback in pick-and-place systems.
  • Replacement for mechanical limit switches in high-cycle, vibration-prone industrial environments.
  • Safety interlock and door position monitoring on industrial equipment cabinets.

Technical Specifications

Model NumberLJ12A3-4-Z/BY-5V
Sensing PrincipleInductive
Nominal Sensing Distance4 mm
Target MaterialFerrous & Non-Ferrous Metals
Output TypePNP, Normally Open (NO)
Supply Voltage6 – 36 V DC
Output Current (Max)300 mA
Mounting ThreadM12 x 1
Thread Length40 mm
Total Barrel Length62 mm
Cable Length1.1 m (approx.)
Housing MaterialMetal (Barrel), Plastic (Body)
Operating Temperature-25°C to +70°C
Protection FeaturesReverse Polarity Protection, Short-Circuit Protection
Environmental RatingDust, Water, and Oil Resistant (Typical IP67)

Frequently Asked Questions

What is the difference between PNP and NPN output on this sensor?

This sensor has a PNP (sourcing) output. When activated, it switches the signal line to the positive supply voltage. NPN (sinking) outputs switch to ground. PNP is typically used with PLCs and controllers expecting a positive voltage input. Ensure your control system's input type matches the sensor's PNP output for proper operation.

Can this sensor detect non-ferrous metals like aluminum or copper?

Yes, inductive proximity sensors can detect all conductive metals, but the effective sensing distance is reduced for non-ferrous metals compared to steel. For this 4mm nominal sensor, the actual sensing distance for aluminum may be approximately 1.5-2mm. Always test with your specific target material for precise positioning.

How do I wire this 3-wire PNP-NO proximity sensor?

Connect the brown wire to your DC positive supply (6-36V), the blue wire to DC negative (ground), and the black wire is the PNP output signal. In the normally open (NO) configuration, the black wire will be disconnected (open circuit) when no target is present and will connect to the positive supply voltage when a metal target is detected within the 4mm range.

Is this sensor shielded (flush-mountable) or unshielded?

This model is a shielded (flush-mountable) inductive sensor. This means it can be installed flush with a metal mounting bracket or panel without a loss of sensing distance, and multiple sensors can be mounted side-by-side with minimal interference. The metal sensing face is part of the threaded barrel.

What is the maximum switching frequency of this sensor?

While the exact frequency isn't specified in the provided data, typical M12 inductive sensors of this type offer switching frequencies in the range of 500 Hz to 2 kHz. This allows for high-speed counting of small metal parts or rapid position feedback. The actual frequency depends on the target size, material, and approach speed.

Package Includes

  • 1 x M12 Inductive Proximity Sensor (PNP-NO, 4mm) with 1.1m Cable

Additional Information

Weight 0.05 kg

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