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WL0837 Mini Push-Pull Solenoid Buying Guide

A mini push-pull solenoid is an electromagnetic actuator that turns the input electrical power into mechanical work, generating a magnetic field in the copper coil. Depending on the direction of the current in the coil, the magnetism either repels or attracts the steel core and causes it to move.

The mini DC push pull solenoid is popularly used in a wide array of industrial, automation, and consumer electronic equipment. Being light and fast-reaction devices, they find application in industrial automation machinery, smart door locks, vending machines, medical equipment, office equipment, automotive devices, and other control devices.

Features of Mini DC Push Pull Solenoids

Mini DC push-pull solenoids are tiny devices that perform fast and reliable linear motion with minimal input. They feature high efficiency in terms of push and pull force generation. A mini DC push-pull solenoid consumes less power while performing stably. They are equipped with sturdy construction, using rugged copper coils, precise internal plungers, and strong housings for durability.

The mini DC push pull solenoid can be installed on any kind of electronic equipment and machinery that needs different DC voltage types, stroke lengths, and mountable methods. They also provide excellent repeatability and compatibility with automated machines. Mini push-pull solenoids perform quietly, which is essential for sensitive devices and equipment.

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DC push pull Solenoid Product Overview

A DC push pull solenoid is a small device that provides precise motion in the form of push and pull actions in automated equipment and other industrial and consumer electronics. A mini push pull solenoid is usually constructed from copper coils, housing, a plunger, and a connecting shaft.

When electrical power is provided to the coil, a magnetic field is created, which moves the plunger and causes a pushing or pulling action. Once the power supply is removed, the spring in the housing pulls the plunger back to its initial position.

A DC push pull solenoid may be available in open, tubular, latching, or customized structures. Usually, mini push-pull solenoids operate at DC 3V, 6V, 12V, and 24V. The stroke length and output force of a mini push-pull solenoid depend on the user’s requirement.

The DC push pull solenoid was engineered to provide maximum efficiency, high response time, and low power consumption. The devices are commonly used in smart locks, medical equipment, industrial machinery, vending machines, and office automation devices.

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Industrial DC Push pull Solenoid Technical Datasheet

Brand	Weilong Technology	Model Number	WL0837
Rated Voltage (V)	DC 12V	Rated Power (W)	10–20 W
Work Model	PUSH-PULL Type	Holding Force (N)	2-3 N
Stroke (mm)	3–5 MM	Reset Time(s)	1 S
Service Life	300 Thousand Times	Certification	CE, RoHS, ISO9001,
Material	Carbon Steel Housing with Zinc Plated Coating	Lead Wire Length (mm)	200
Install Style	Adjustable Screw	Tolerance of Dimension	+/- 0.1 MM
Water-proof	None	Insulation Class	F 155 Cel. Degree
Hi-Pot Test	AC 600V 50/60Hz 2s	Non-excitation Holding Force	0
Working Temperature	-10°C-100°C	Duty Cycle	1-100%
Thread Depth (mm)	/	Payment Term	TT, or LC At Sight
Sample Order	Yes	Warranty	1 Year
MOQ	500 pcs	Supply Ability	5000 pcs per Week
Delivery Time	30 Days	Port of Loading	shenzhen

Small linear solenoid for industrial Application

The DC push pull solenoid is widely used in automation and industrial machinery, consumer electronic equipment, automotive devices, and smart locking systems due to its fast action and accuracy.

These solenoids are commonly used in smart locks for door locks, cabinet locks, and access control systems, which need to react quickly to secure people’s lives and properties. A DC push pull solenoid is used in vending machines to operate dispensing mechanisms and coin return systems.

The DC push pull solenoids are applied in automated machines such as industrial machinery and industrial robots, providing functions such as opening valves, moving, sorting, and controlling devices. Mini push pull solenoids are also widely used in the medical equipment industry. They can be used in testing instruments, liquid dispensing systems, and diagnostic devices.

Other automotive applications include fuel door lock and unlocking devices, transmission locking devices, seat adjuster mechanisms, and other electronic control units. Mini push-pull solenoids are also applied to office automation devices, including printers and scanners, to do paper feeding operations.

Advantages and Disadvantages of DC Push Pull Solenoid

DC Push pull Solenoid Advantages

The DC push pull solenoid is compact in design, operates rapidly and reliably, and is straightforward to install in equipment. Simple and durable construction enables reliable work and requires minimum maintenance. The DC push-pull solenoid gives accurate push and pull force so it can be installed in automation equipment.

A DC push pull solenoid is also energy-saving with a variety of voltage types, stroke lengths, and force specifications. The mini push-pull solenoid also can be custom-designed for OEM equipment. Due to their compactness, a mini push-pull solenoid can be used in confined spaces where standard equipment cannot operate.

A DC push-pull solenoid has a long operating time, operates quietly, and gives repeatable push-pull actions. Thus, a DC push-pull solenoid greatly increases equipment reliability and production efficiency.

Disadvantages of DC Push-pull solenoids

Though DC push-pull solenoids provide many advantages, they can be used only at short stroke lengths and moderate force output compared to other large-size actuators. Continuous operation of mini push-pull solenoids can generate excessive heat, especially if the thermal control is lacking.

The force output of DC push-pull solenoids depends on the stroke length and is reduced as it increases. Also, improper voltage selection and loading conditions can reduce the working life of mini push-pull solenoids. Protection against humidity and dust is needed to provide a smooth operation of solenoids.

DC Push-pull Solenoid Troubleshooting

Electromagnetic, mechanical, and environmental factors may cause malfunctioning of push-pull solenoids. Troubleshooting is the way to prolong the useful life and performance of push-pull solenoids.

Solenoid Not Operating

Make sure that the power supply voltage corresponds to the required one for the solenoid. Check all wire connections and components for damage. Measure coil resistance with a multimeter to see if it is broken.

Weak Force of Push/Pull

Wrong voltage, long stroke length, and external magnetic fields can lead to insufficient output force. Ensure that there are no obstructions to the plunger’s movement.

Overheating of Solenoid

Continuous energizing, overloading, and lack of cooling can result in mini push-pull solenoid overheating. Adjust the duty cycle and improve heat dissipation.

Strange Noise During Operation

If the noise is generated during the process of operating a solenoid, examine for loosened mountings or internal wear.

Slow Reaction Speed

Slow solenoids may result from improper power supply, low-strength springs, foreign objects, and mechanical interference. Clean and lubricate the internal mechanism.

Rust and Oxidation Problems

Humidity or severe environments can cause oxidation. To increase solenoid toughness, use water-resistant materials or add a protective coating.

FAQs of DC Push-Pull Solenoids

1. How does a DC Push-pull Solenoid work?

Mini push-pull solenoids are simple electromechanical devices that convert electrical power into mechanical movement. By applying DC voltage to the coil, you activate it, creating a magnetic field. With the field activated, the plunger starts moving and performs a pushing/pulling action. The internal spring causes the plunger to return to its initial position once you switch off the current. DC push-pull solenoids feature fast and reliable performance.

2. What voltage is a DC Push-pull Solenoid?

Mini push-pull solenoids may operate with 3V, 5V, 6V, 12V, or 24V DC voltages. Moreover, the special OEM designs of mini push-pull solenoids can be produced upon request. You should choose a DC push-pull solenoid with a particular DC voltage according to your application needs. Otherwise, wrong voltage can reduce force output and make the solenoid hot.

Most of the industrial equipment uses either 12V DC or 24V DC mini push-pull solenoids.

3. What industries use DC Push-pull Solenoid?

Mini DC push-pull solenoids can be found in industrial equipment and consumer electronics, including smart locks, vending machines, office equipment, medical machinery, and automotive devices. They are popular in locking systems, vending machines, printers, testing equipment, and many others. Due to their compact structure and precise straight-line action, DC push-pull solenoids are often used in devices where space is limited.

4. How to choose Mini DC Push-pull Solenoid?

When choosing DC push-pull solenoids, consider the required DC voltage, force output, stroke length, duty cycle, installation space, speed, and environmental conditions of your device. If you need continuous operation, get mini DC push-pull solenoids with higher heat resistance. In case your device operates in a humid or corrosive environment, use waterproof and antirust designs. Special mounting brackets or connectors are also available.

5. What makes a DC Push-pull Solenoid hot?

Operating in the usual mode, mini DC push-pull solenoids produce a certain amount of heat due to the electrical current going through the copper coil. However, excessive voltage, forcing the solenoid to work under overload conditions, improper ventilation, and frequent use can cause mini push-pull solenoids to overheat. To minimize heating, use the appropriate DC voltage supply and respect the manufacturer’s instructions about duty cycles.

Continuous-use designs are recommended for working long hours.

6. How long will the Push-pull Solenoid work?

The lifetime of mini DC push-pull solenoids depends largely on the operational conditions, usage rate, and operating environment. Using high-quality mini push-pull solenoids will extend their lifetime to hundreds of thousands of operation cycles. Maintaining the equipment well, cleaning it regularly, and supplying constant voltage will increase longevity.

7. Are Mini DC Push-pull Solenoids customization?

“Yes. Mini dc push-pull solenoids can be produced according to OEM requirements, including different voltage types, stroke lengths, output forces, special mounting, and other features. Mini push-pull solenoids are customized to satisfy the needs of industrial applications and other smart devices.

8. What are the typical problems with Mini DC Push-pull Solenoids?

The main issues with mini DC push-pull solenoids are wrong voltage input, overheating, broken coils, mechanical interferences, frequent use, corrosion, and improper installation. Dusty and moist environments and unreliable DC voltage supplies can also negatively affect mini push-pull solenoid work. Regular checks of the wires and plunger movement will help solve this problem.

How to Choose a DC Push Pull Solenoid?

Choosing a mini push-pull solenoid properly is critical since it can affect its operating life, efficiency, and reliability.

1. DC Voltage Input

Select the appropriate type of DC voltage, which is 3V, 6V, 12V, or 24V, depending on your application. Using the wrong DC voltage can result in a lack of power or overheating of the solenoid.

2. Required Force to Push or Pull

Define the needed output force of the mini push-pull solenoid according to the requirements of load force, friction, and safety margins.

3. Verify Stroke Length

The stroke length is the travel of the plunger inside the solenoid housing. Mini push-pull solenoids provide stronger force when the stroke is short and vice versa.

4. Duty Cycle

The solenoids can be operated periodically or continuously depending on the duty cycle. A continuous solenoid needs enhanced thermal design.

5. Installation Space

Since the mini push-pull solenoid is a relatively small device, you must define the installation space.

6. Environmental Condition

To ensure that the device operates normally in particular environmental conditions, pay attention to the protective coatings and waterproof designs. Furthermore, pay attention to the temperature of the environment.

7. Response Time

Fast-response models that feature optimized electromagnetic structures should be considered for fast-acting applications.

8. OEM Customization

Some industrial applications require custom-made mini push-pull solenoids that fit particular characteristics. The customization includes specific voltage and force ratings, special mounting brackets, custom plungers, and special connectors.

Why are the DC push pull solenoids getting so popular?

The increased demand for DC push-pull solenoids is facilitated by several factors, including technological trends as well as inherent advantages that make them a good choice in many applications. With the trend towards automated processes and precision actuation, DC push-pull solenoids play an important role in many applications.

The key reasons that make them popular include:

1. 🎯 Key Factors for Their Popularity

The drive for automation: The most important factor driving their popularity is the trend towards automation of processes in many industries. DC push-pull solenoids are the core element of automated manufacturing systems, automotive production lines, and packaging machines. They allow reliable actuation of processes involved in clamping, sorting, and rejecting functions.

2. Improved Performance:

DC push-pull solenoids offer many advantages compared to traditional methods of actuation:

3. Speed and Precision:

They feature a swift switching rate for rapid on-off actuation. Furthermore, they offer precise actuation with very high repeatability.

4. Excellent Reliability:

Built to last, these actuators can run reliably for up to 25 millioncycles. They need no maintenance or lubrication, which makes them virtually maintenance-free.

5. High Force in Compact Size:

They offer powerful push-pull force (some can generate up to 1,600 N) in a compact size. This is very useful for applications where space constraints are important.

6. High Degree of Customization:

Solenoids are very versatile. There are models with custom stroke lengths (up to 50 mm), output force, and operating voltages (such as 12 V and 24 V). Furthermore, different types are available, including latching solenoids.

7. Cost-Effective:

Solenoids are a relatively inexpensive and easy way to accomplish many on-off tasks compared to more complicated systems, such as pneumatic systems.

8. ⚙️ Where to Find Them

These devices are widely used in many industries because of their unique properties of low cost, high reliability, and precise actuation. Some examples of places you may see them include:

🏭 Factories & Manufacturing Facilities: Actuated by DC push-pull solenoids, many processes happen in factories, including conveying, sorting, and packaging operations.

🚗 Automotive Industry: Very important in today’s cars, especially in electric vehicles, their main applications include door locks, EV charger latches, and other functions.

🏥 Medical Equipment: Used in various diagnostic equipment, dental machines, and other applications in the healthcare industry because of reliability and precision.

🔐 Security & Access Control: The key component in any lock, including hotel room door locks, ATMs, and electronic door interlocks, these DC actuators make your everyday life possible.

🏠 Consumer & Office Equipment: Ranging from smart home lock systems to office supplies and commercial vending machine actuators, these components perform many functions silently.

9. ⚠️ Possible Drawbacks

Very useful, but there are two drawbacks that need attention during the design process.

Heat Generation: When used continuously or extensively, these devices will become heated. Selecting the correct duty cycle for your application is crucial since overheating can negatively impact their performance.

DC Power Needed: Contrary to AC solenoids that plug into electrical outlets, DC solenoids need an appropriate power supply. Adding a new power line can be a little troublesome.

Voltage Sensitivity: The force applied by the device is dependent on the voltage supplied. For proper operation, the power supply should be steady, since power fluctuations will negatively affect performance.

10.💡 Conclusions

So, DC solenoids are really not some random phenomenon of today’s industry, but rather an essential part of our lives. They are inexpensive, reliable, efficient, and easily customizable electromechanical actuators that help automate processes in many areas.

Do you consider using DC push-pull solenoids for some applications?