OverviewA mini push-pull solenoid is a small electromechanical device that converts electrical energy into precise linear motion by passing electric current through a copper coil to produce a magnetic field that moves a metal plunger. It can be configured to push or pull depending on orientation. Mini push-pull solenoids are widely used in smart locks, vending machines, medical devices, robotics and other applications that demand compact, fast, precise mechanical action over short distances.
SummaryA mini push-pull solenoid is small, fast, simple and well-suited where reliable linear motion is required but installation space is limited. Engineers select variants by voltage, stroke length and force output to match application needs.
How it operates- Electric current is supplied to the copper wire coil.
- A magnetic field is generated around the coil.
- A ferromagnetic plunger inside the solenoid is attracted into the magnetic field producing linear motion (push or pull as configured).
- A return spring (or equivalent) pushes the plunger back when power is removed.
- The mechanism provides rapid, precise and repetitive linear movement due to simple magnetic attraction.
Applications- Industrial automation (actuation, control mechanisms)
- Smart locks and electronic locking systems
- Vending machines (product release mechanisms)
- Medical devices (valves, pumps requiring precise linear actuation)
- Robotics (linear actuators for mechanisms)
- Office equipment: printers, POS/registers, electronic lockers
Advantages & Disadvantages- Advantages: compact size for constrained spaces, fast response, simple reliable electromagnetic operation, relatively low cost, available in multiple voltage/stroke/force variants, long life with fewer mechanical parts.
- Disadvantages: limited maximum force compared with larger electromagnetic devices, generally short stroke length, coil heating under high duty cycles or continuous operation if not properly managed, requires correct voltage specification to avoid malfunction or overheating.
Design & Selection Guidance- Select required voltage (commonly 5V, 12V, 24V DC or custom) to match supply and avoid coil overheating.
- Specify stroke length (typical mini strokes: ~2 mm to 10 mm; many designs 2–5 mm standard; customization available for longer strokes).
- Define required pull/push force (depends on coil power, magnetic circuit design, plunger material, stroke position and air gap).
- Choose duty cycle: intermittent (short cycles) or continuous (long cycles); for frequent operation, choose continuous-duty rated designs with proper thermal management.
- Verify installation size constraints and environmental conditions (temperature range, humidity, dust/water exposure, vibration).
- Evaluate quality testing: force test, temperature test, life cycle test, electrical resistance test to ensure expected lifespan.
FAQ highlights- Common voltages: 5V, 12V, 24V DC; other custom voltages are possible.
- Typical stroke lengths: usually 2 mm to 5 mm; custom strokes can be provided.
- Factors affecting force: coil voltage/current, magnetic circuit design, plunger material, stroke length and air gap.
- Some designs can run continuously if heat is managed; others are intermittent duty only.
- Expected life: a well-made micro solenoid can run hundreds of thousands to millions of cycles depending on duty cycle, mechanical load, environment and materials.
Caractéristiques / Spécifications techniques- Model NO.: WL0415 Mini Push Pull Solenoid
- Actuator: Electric
- Connection Form: Thread
- Type: Direct Acting
- Material: Carbon Steel Housing
- Pressure: Ordinary Pressure
- Valve Structure: Direct-Acting Piston Structure
- Power Supply: DC 3-24V (range for solenoid valve variants)
- Application: Industrial Usage
- Work Type: Pull and Push
- MOQ: 500 PCS
- Coating: Zn Coating
- Working Temperature: -30℃ to 80℃
- Insulation & Protection Class: B Class
- Transport Package: Brown Box
- Specification: Frame PushPull Serial
- Trademark: Weilong
- Origin: China
- HS Code: 8505909090