Electrically switched electro lifting magnet WL4542

handlingelectromagnetic

Product overview
An electromagnetic clamp WL4542 by Weilong Technology is an electrically controlled magnetic holding device designed to grip, position and secure ferromagnetic parts in industrial automation and manufacturing environments. It offers fast on/off control and can be integrated into robotic end-effectors, fixtures, welding jigs and material-handling systems.

How it works

• Coil-driven: electrical current energizes a coil that generates a magnetic field around an iron core.
• Magnetic attraction: the field magnetizes the core and produces holding force on steel or magnetic workpieces.
• On/off control: removing power collapses the field and releases the part immediately.
• Holding force depends on coil power, core material, air gap, contact area and supply voltage.

Applications

• Robotic grippers and automation end-effectors.
• Fixture and workpiece clamping on CNC machines and machining centers.
• Welding jigs and assembly tooling for repeatable positioning.
• Material transfer, packaging equipment and metal fabrication lines.

Advantages

• Instant electrical control for gripping and release.
• Compact design with precise positioning capability.
• Long service life with minimal mechanical parts.
• Simple integration into automated systems.

Disadvantages / Considerations

• Requires continuous power to maintain holding force, increasing energy use for prolonged holds.
• Coil heating under continuous duty requires thermal management.
• Sensitive to air gaps and uneven contact surfaces; requires clean mating surfaces.
• Power loss causes immediate release — consider failsafe design if required.

Troubleshooting & maintenance

• No magnetic force: verify power supply, wiring and coil resistance.
• Low holding force: check for air gaps, contamination, incorrect voltage or coil damage; clean contact surfaces and verify installation.
• Overheating: confirm correct duty cycle and provide cooling or heat dissipation.
• Unstable operation: secure mounting, check electrical connections and reduce vibration.
• Slow response: check control supply and voltage stability.
• Maintenance: inspect wiring and coil condition, clean contact areas and monitor operating temperature.

Technical specifications

• Brand: Weilong Technology
• Model Number: WL4542
• Rated Voltage: DC 12V or 24V
• Rated Power: 2–5 W
• Work Mode: Power on → magnet on
• Holding Force: 20 kg
• Working Duty: 100%
• Resistance: 100 Ω
• Service Life: 100,000 cycles
• Certification: CE, RoHS, ISO9001
• Material: high-grade magnet, carbon steel housing
• Lead Wire Length: 50 mm
• Install Style: screw mounting
• Dimensional Tolerance: ±0.1 mm
• Waterproof: none
• Insulation Class: B
• Hi-Pot Test: AC 600 V 50/60 Hz 2 s
• Non-excitation Holding Force: 0
• Working Temperature: -10 °C to 100 °C
• Duty Cycle Range: 1–100%
• Thread Depth: N/A
• Payment Terms: TT or L/C at sight
• Sample Order: Yes
• Warranty: 2 years
• MOQ: 2000 pcs
• Supply Ability: 5000 pcs per week
• Delivery Time: 30 days
• Port of Loading: Shenzhen