AS 7042 Tubular Push-Pull Solenoid – 24 V / 12 V Linear Actuator

What Is a Micro Push-Pull Solenoid?

A Micro Push-Pull Solenoid is a compact electromagnetic actuator designed to create linear motion through the use of an energized coil. Structurally, it consists of:

  • A copper-wound solenoid coil

  • A central iron armature/plunger

  • A return spring (in many models)

  • A small cylindrical or rectangular housing

When electrical current flows through the solenoid coil, a magnetic field is generated, which pulls the plunger into the coil’s center. Because the plunger has two usable ends, the device can provide either pulling or pushing motion—hence the name push-pull solenoid.


Why “Micro”?

“Micro” indicates that the solenoid is very small—typically designed for applications where space is limited.
For example, the type you described has:

  • Body length around 40 mm

  • A captive plunger (preventing it from falling out)

  • A strong return spring to automatically reset the plunger when power is removed


How It Works (Simple Operation)

  1. Apply DC voltage (e.g., 12V):
    The coil generates magnetic force, pulling the plunger inward.

  2. Remove voltage:
    The return spring pushes the plunger back to its original position.

This makes the operation straightforward and reliable.


Advantages of Micro Push-Pull Solenoids

  • Very compact—easy to fit in tight spaces

  • Dual-action capability (can push or pull)

  • Captive armature—won’t fall out like some low-cost solenoids

  • Integrated return spring—automatic reset without extra mechanisms

  • Convenient mounting tabs for easy installation

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PRODUCTS DETAILS

product detail

 Unit Features:

Housing Steel:  Carbon steel with Zinc Coating, Smooth surface, Rohs Compliance

Plunger: 6 mm, Carbon steel with Zinc Coating Anti corrosion, Meet Rohs compliance.

Voltage: DC12V----DC 24V

Stroke: 3-6mm, we can make the options accordingly.

Force:  2 N- 5 N adjustable ,

Power Wattage:  8---20 W

Current: 0.86 A ----2A 

Resistance: 28-80 Ω

Terminal:  Custom Terminal

Insulation Class: Class F, Optionally Class H

Weather Protection:IP67, IP67 M 

Electronic Wire:  UL electronic wire ,

Lifespan: ≥200,000 times, has been validation during product development

Working Cycle: 3s On, 1s Off

Temperature Rise : 65 degrees Cel.

 

The Applications of Push-Pull Solenoids

The push-pull solenoids makes them suitable for a lots of applications. Most common uses include:

Automotive Systems: In vehicles, push-pull solenoids are commonly used in automatic door locks, automatic gear shifters, and starter systems.

Industrial Automation: These solenoids find extensive application in conveyor systems, robotics, and other automated machinery, where they control various mechanical movements.

Consumer Electronics: In devices like printers, cameras, and vending machines, push-pull solenoids are used to control various mechanical actions such as paper feeding, lens focusing, or dispensing products.

Medical Devices: These solenoids find use in various medical equipment like ventilators and drug delivery systems where precise control of mechanical movement is crucial.

Locking Mechanisms: From security doors to safes, push-pull solenoids are a popular choice for electronic locking systems due to their reliability and compact size.

 

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