AS 1003231 DC 12 or 24V Rectangular Holding Electromagnets
Product Description
| Brand | Dr. Solenoid | Model Number | AS 1003231 |
| Rated Voltage (V) | DC 12V, 18V and 24V | Rated Power(W) | 6.5 W |
| Work Mode: | Power on, Magnet on | Holding Force (N) | 80 KG |
| working duty | 100% | Resistance | 24 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 | Tolerance of Dimension | +/- 0.1 MM |
| Water-proof | None | Insulation Class | B |
| Hi-Pot Test | AC 600V 50/60Hz 2s | Non-excitation Holding Force | 0 |
| Working Temperature | -10°C-100°C | Duty Cycle | 1-100% |
| Thread Depth(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 |
Advantages of Rectangular Electromagnets
Electromagnets, in general, offer several advantages over permanent magnets:
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Switchable power – They can be turned on or off as needed.
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Adjustable strength – The magnetic field can be increased or decreased by varying the input current or voltage.
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Cost efficiency – For the same size, electromagnets are often less expensive than permanent magnets, as they require fewer raw magnetic materials.
Why Choose a Rectangular Electromagnet?
While round electromagnets are common, rectangular designs provide unique benefits in specific applications:
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Larger Contact Area
Rectangular poles maximize surface contact, making them ideal for lifting or holding flat and wide ferromagnetic objects such as steel plates, beams, and bars. -
Better Grip Through Small Gaps
Thanks to their extended pole shape, rectangular electromagnets maintain stronger attraction even with rough or slightly uneven surfaces, reducing the risk of slippage. -
Stronger “Reach-Out” of the Magnetic Field
The rectangular configuration allows the magnetic flux to spread more effectively across a wide surface, enhancing stability and holding force. -
Application Flexibility
They are widely used in automated machinery, robotic arms, lifting equipment, magnetic clamps, and assembly lines where reliable and broad holding power is essential.
Everyday and Industrial Applications
Electromagnets—including rectangular types—are found in both everyday life and industrial systems. Examples include:
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Industrial machinery: magnetic lifters, conveyors, clamping systems
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Scientific research: particle accelerators, superconducting experiments
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Consumer products: electric cars, refrigerators, washing machines, vacuum cleaners, speakers, fans, and more
In short, rectangular electromagnets combine the general benefits of electromagnetism with a geometry that offers superior holding performance for flat, large, or irregular surfaces.
Product detail diagram
Frequently Asked Questions
What is the difference between an electromagnet and a solenoid?
While both devices rely on the same electromagnetic principles, their designs and purposes differ:
🔹 Solenoid
A solenoid is essentially a coil of wire wound into a helix or spiral.
When current flows through the coil, it creates a magnetic field along its axis.
Solenoids are commonly used as electromechanical actuators. By inserting a movable ferromagnetic core (plunger) into a coil, a magnetic field pulls or pushes the core, producing linear motion.
Applications: Valves, actuators, locks, relays and other equipment requiring controlled motion.
🔹Electromagnet
An electromagnet is a coil of wire wrapped around a magnetic core (usually iron or steel) that becomes magnetized only when an electric current flows through it.
Unlike permanent magnets, electromagnets can be turned on or off and their strength adjusted by changing the current, the number of coil turns, or the core material.
The primary design purpose of an electromagnet is to generate a strong magnetic field, not motion.
Applications: Lifting and holding heavy objects, magnetic separation, electric motors, MRI machines and industrial machinery.
👉 In short:
Solenoids are optimized to convert electrical energy into motion.
Electromagnets optimized to generate controllable magnetic fields