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WL10043 DC Holding Magnet for Industrial Solutions

DC holding electromagnets are highly important components of industrial automation systems, providing stable, reliable, and efficient magnetic holding force. A strong magnetic field is created inside the coil by means of DC voltage and attracts metal items.

DC holding electromagnets come in continuous and intermittent operation types depending on the application. Some of the advantages are quick response, silent operation, easy installation, and high service life.

Industrial applications include robotic fixtures, automatic doors, safety locks, production equipment, testing machines, medical equipment, and material handling systems. Custom DC holding electromagnets can be produced according to your voltage, holding force, size, duty cycle, and environmental requirements.

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Compact DC Holding Magnet Product Overview

A DC holding electromagnet is an electromagnetic device producing magnetic attraction force under direct current (DC power). They are mainly applied in industrial equipment to hold, position, clamp, lock, and secure metal components. Electromagnets are employed to grip objects to provide a constant magnetic force with no moving parts, as in the case of solenoids providing linear motion. Magnetic force depends on coil design, voltage, current, air gap, and quality of contact surface. DC Holding Electromagnets find wide application in automation systems, robotic equipment, security devices, lifting machines, and industrial fixtures requiring reliable holding performance.

How Does a DC Holding Electromagnet Work?

The principle of electromagnetic induction is applied to a DC holding magnet. Upon application of DC voltage, electrical current starts flowing through the copper winding, thus creating a magnetic field.

A magnetic field passes through an iron core and magnetic housing, producing a magnetic attractive force on the contact surface. When the metal object contacts the electromagnet, the magnetic circuit is strengthened, and therefore maximum holding force is provided.

The holding force depends on:

Power and current of the coil

Type of Magnetic Material

Contact zone

Air gap distance

Working temperature

Voltage stability

Once you switch off the power, the magnetic field disappears and the holding force releases.

Highlights of DC Holding Magnet

DC Holding Electromagnets possess strong magnetic holding force, a compact design, reliable performance, and easy integration into industrial systems. DC Holding Electromagnets have a DC power supply and provide stable holding without mechanical movement.

Some of the main characteristics of DC-holding electromagnets include:

Powerful magnetic attraction force

Low noise operation.

High life of service

Design of coil for energy efficiency

Small installation size

Custom voltage & force options

High durability in industrial environments

Precision machining, coil winding, and quality testing in advanced manufacturing processes ensure consistent performance in automation, locking, positioning, and industrial fixture applications.

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Compact DC Holding Magnet Technical Datasheet

Brand	Weilong Technology	Model Number	WL10043
Rated Voltage (V)	DC 12V and 24V	Rated Power (W)	14–25W
Work Mode:	Power on, magnet on.	Holding Force (N)	340 kg
working duty	10%	Resistance	68 Ω
Service Life	100 Thousand Times	Certification	CE, RoHS, ISO9001,
Material	Superior Magnet Carbon Steel Housing	Lead Wire Length (mm)	200 MM
Install Style	Screw Hole M10* 20MM	Tolerance of Dimension	± 0.1 MM
Water-proof	Yes, IP50	Insulation Class	B
Hi-Pot Test	AC 600V 50/60Hz 2s	Non-excitation Holding Force	0
Working Temperature	-10°C-100°C	Duty Cycle	1-10%
Thread Depth (mm)	M10 * Length 20 mm	Payment Term	TT, or LC at Sight
Sample Order	Yes.	Warranty	1 Year
MOQ	1000 pcs	Supply Ability	5000 pcs per week
Delivery Time	30 Days	Port of Loading	Shenzhen

Why Are DC Holding Electromagnets The Preferred Option for Industrial Clamping Automation?

DC holding electromagnets gain popularity in industrial clamping automation. They represent a convenient, efficient, and reliable alternative to traditional mechanical clamping systems.

Modern industry requires operating faster, with greater precision and greater automation. Electromagnetic holding solutions allow machines to quickly clamp, position, and release metal components without complicated mechanical constructions.

Key reasons:

Quick response changeover

compact design installation

Easy maintenance

High repeatability

Easy integration for PLC control

Silent operation

Customizable force performance.

DC Holding Electromagnets improve the production efficiency and decrease the mechanical wear in robotic manufacturing, CNC machining, assembly lines, and smart factories.

With further development of Industry 4.0 and automation technologies, DC Holding Electromagnets will remain a crucial solution for intelligent manufacturing systems.

Compact DC Holding Magnet Industrial Application

DC holding electromagnets are widely applied in many industrial sectors requiring reliable magnetic holding and positioning.

Industrial Automation

They are used for precise positioning and temporary holding in robotic systems, assembly machines, CNC fixtures, and automated production lines.

Jigs for Machine

Electromagnets serve as a rapid clamping method of metal pieces during machining, inspection, and testing.

Security Locking Systems

Applications: Used in access control systems, security equipment, elevators, and automatic doors for locking purposes.

Information Equipment Handling

Application in lifting equipment, handling systems, and for the controlled attaching and releasing of metal parts.

Medical Devices

High-precision holding electromagnets are used in medical devices where stable and vibration-free positioning is required.

Intelligent manufacturing

Electromagnetic holding systems are used in automated production processes of Industry 4.0 equipment.

DC holding electromagnets having such advantages as fast response, low maintenance, and custom design became an integral part of industrial automation and intelligent manufacturing.

Compact DC Holding Magnet Advantage and Disadvantage

DC Holding Magnet Pros

A DC holding magnet has a lot of advantages for industrial use.

High Holding Force:

Strong and stable magnetic force provides reliable positioning.

Quick Response:

Activation of the electromagnet upon turning on the power.

Low Noise:

Unlike mechanical lockings, electromagnets operate with no friction and noise.

Easy to Integrate:

Compact design makes it simple to integrate into automation equipment.

Long-lasting:

No moving mechanical parts, so no wear and tear and maintenance.

DC Holding Magnet Cons

Heat production:

Continuous operation results in heating of the coil, which must be thermally designed appropriately.

Dependence on Power Supply:

If the power is switched off, the holding force disappears.

Requirements to the surface:

Dirty or uneven contact surfaces reduce magnetic performance.

Higher initial cost:

But the electromagnets may cost more than mechanical ones.

Requirement for DC Power Supply:

The electromagnets require a proper DC power supply and control system.

DC holding magnets perform excellently when they are selected and used appropriately.

DC Holding Manget Troubleshooting Guide

Common problems and their solutions:

1. No power to hold

Possible causes are

No power supply.

Wrong voltage

Damaged coil

Answers:

Verification of wiring connection

Checking input voltage

Testing coil resistance

2. Weak Grabbing Force

Possible causes:

big air gap

Contaminated contact surface

Wrong voltages,

Solutions:

Cleaning of magnetic surface

Reduction of airspace

Checking the rated voltage.

3. Heat Overheating.

Possible causes:

High duty cycle

High voltage in

Poor heat dissipation

Solutions:

Condition checking

Boost of circulation

Correct voltage

4. Noise or Vibration

Possible causes:

Loose fit

Uneven contact surface

Solutions:

Tightening of mounting screws

Better mechanical alignment

5. Discontinuous Operation

Possible causes:

Loose cable connections.

Insecure power supply

Solutions:

Verification of electrical connections

Use of a DC constant power source

DC Holding Electromagnet can considerably increase its service life through proper operation and regular inspection.

8 Common DC Holding Electromagnet Questions

1. What is a DC Holding Electromagnet?

DC Holding Electromagnet is primarily used for holding, positioning, locking, and clamping of metal components in industrial applications. Application of DC voltage to the coil results in magnetic holding force generation.

Typical applications are

Automation equipment

Robotic gripping systems

Fixtures for CNC machines

Safety locks and automatic doors

Medical devices

Test machines

Material handling systems

A DC holding electromagnet is not a solenoid generating mechanical motion. It is designed to hold a steady holding position with reliable magnetic force.

2. How does a DC holding magnet work?

Operation of a DC holding electromagnet is based on the principle of electromagnetic induction.

DC power supply internal coil. Upon activation, electric current produces a magnetic field. A magnetic field passes through an iron core and magnetic housing, producing a force of attraction between an electromagnet and a metal object.

The holding force depends on:

Coil design

Voltage and current input

Magnetic substance

Contact surface area

Air-gap distance

Operating temperature

Upon turning off the power supply, the magnetic field disappears and the holding force is released.

3. How to choose the correct DC Holding Electromagnet

There are several points to take into account when choosing the appropriate DC holding electromagnet:

Holding force required

Determine the minimal magnetic force required for your application and add a safety factor to this.

Operating Voltage

Make sure the power supply is available. e.g.,

5V DC

12V DC

24 V DC

48V DC (Direct Current)

Duty Cycle

Does the electromagnet operate continuously or intermittently?

Space for installation

Take into account product diameter, height, mounting method, and cable orientation.

Environmental situation

Check temperature, vibration, dust, and humidity requirements.

A professional electromagnet manufacturer can offer you a custom solution for your application.

4. What is it that determines the holding force of a DC Holding Electromagnet?

There are several factors influencing the holding force of a DC holding electromagnet:

Surface Contact

A flat, clean contact surface provides the best magnetic performance.

Air Gap

Even the smallest air gap reduces the holding force significantly.

Voltage Stability

Unavailability of voltage leads to a decrease in coil current and magnetic force.

Magnetic Material

High-quality magnetic steel improves the performance.

Coil Design

The performance of the electromagnetic device depends on the number of turns, wire diameter, and resistance.

Temperature

Resistance of coils increases with temperature, and magnetic force decreases.

Correct design and installation are crucial to ensure the rated holding force.

5. Can a DC Holding Electromagnet Remain Energized?

Some DC holding electromagnets are designed for continuous duty, but the design must be appropriate for the required duty cycle.

Continuous operation results in heating as electrical energy transforms into magnetic and heat.

For continuous duty applications, consider:

Choice of the appropriate voltage

Thermal design of the coils

Thermal radiation

Environment of installation

Maximum working temperature

Cooling time between operations reduces thermal stress and allows the design of higher holding force models for intermittent applications.

When selecting the appropriate model, always refer to the manufacturer’s duty cycle specification.

6. Why is the holding force of my DC Holding Electromagnet weak?

Usually, the weak holding force is caused by wrong operating conditions.

The possible reasons are

Low-Voltage Power Supply

The current to the electromagnet is too small to create the magnetic field designed.

Big Air Gap

Any air gap between the electromagnet and metal surface decreases magnetic performance.

Contaminated Contact Surface

Dust, oil, rust, or foreign matter decreases magnetic contact.

Wrong Electromagnet Selection

The force of the selected electromagnet is not sufficient for the application.

Overheating

Decreases in performance due to high temperature caused by increased resistance of coils.

Possible Solutions: Check voltage. Clean the surfaces. Reduce air gaps. Select an appropriate model.

7. What are the benefits of using DC Holding Electromagnet in automation?

Benefits of DC holding electromagnets in industrial automation include:

High Reliability

They provide reliable holding without mechanical wear.

Quick response

Activation and deactivation of magnetic force are quick.

Silent Operation

No moving parts. Silent operation.

Compact Design

They require smaller installation space compared to mechanical clamps.

Easy Control

They can be easily controlled by PLC systems and electronic controllers.

High Service Life

When selected and operated correctly, they can last for hundreds of thousands of operation cycles.

These advantages make them perfect for intelligent manufacturing and automated production systems.

8. How to prolong the life of DC Holding Electromagnet?

To prolong the life of the DC Holding Electromagnet, the following maintenance recommendations should be followed:

Appropriate Voltage Usage

Avoid overvoltage, as it can cause overheating.

Keep Contact Surfaces Clean

Periodically clean up dust and debris.

Install the Device Properly

Avoid vibration, misalignment, or mechanical shocks.

Temperature Regulation

Provide proper ventilation or cooling, if required.

Regular Testing

Test the holding force, coil resistance, and electrical connections.

Select Appropriate Product

Select an electromagnet appropriate for your duty cycle and environment.

Proper installation and maintenance are essential for reliable long-term performance in industrial applications.

How to Choose a DC Holding Magnet?

The process of selecting the appropriate DC holding electromagnet requires a detailed evaluation of the application requirements and the operating environment.

1. Determination of the necessary holding force

The first thing to do is to determine the required magnetic holding force. Weight, vibration, safety factor, and working environment should be taken into account.

2. Checking the Operating Voltage

Typical voltages are

5 V DC

12V DC

24 V DC

48V DC

Select the voltage corresponding to your control system.

3. Checking of Duty Cycle

Is the electromagnet operated all the time or from time to time? Coils should be designed and cooled for continuous duty applications.

4. Checking Installation Space

Consider the following:

Size

Height:

Mounting holes

Cable orientation

Environmental restrictions

Compact design is essential in restricted installation space.

5. Assessment of the Surface Contact

A flat, clean contact surface is necessary for maximum holding force. Dust, paint, or uneven surfaces creating air gaps decrease magnetic performance.