STABLE AND INSULATION: The lift keep electromagnet has simple structure, small size, high adsorption force, good temperature stability, good insulation and high conductivity. EXCELLENT PERFORMANCE: 12V /24V DC electric lifting magnet suction magnet has low power consumption, low temperature rise, no residual magnetic power.
eBay
30*25mm Solenoid Electromagnet P30/25 Holding Electric Magnet Lifting DC 5V 6V 12V 24V Sucker 15Kg 150N
Aliexpress UK
High quality electric lifting magnet. -Electric lifting magnet，Powerful and compact. Electric lifting magnet in following sizes Holding Force. -Smooth and flat surface.
eBay
DC 3V/5V 6V/9V/12V/24V Mini Tiny 8MM Cylindrical Suction Inhalation Type Solenoid Electromagnet Stroke 5mm DIY Fingerprint Lock
Aliexpress UK
eBay
Push Pull Type Linear Solenoid Switch Open Frame Electromagnet Keepping Force 0.2- 20N Travel 5-15mm Electric Magnets DC 12V 24V
Aliexpress UK
Action Form : Pull Push Type;Force : 9Kg/19.8lb;Plunger Dia : 15mm/0.6". Part number a14010700ux0215.
eBay
1PC Suction Cup Type Round Electromagnet Suction Power 0.3~120KG Miniature Powerful 12/24 Volt DC Electromagnet
Aliexpress UK
The electromagnet cable is made of high-temperature resistant copper wire that is not easy to fall off or break, and can withstand high tensile strength. -Electric lifting magnet.Powerful and compact.
eBay
1PCS Suction Cup Type Round Electromagnet Suction Power 0.3~120KG Miniature Powerful 12/24 Volt DC Electromagnet
Aliexpress UK
Shell using electrical pure iron, the use of high-quality electrical pure iron One-piece molding. - High-quality spring is durable, low power consumption, low warming up, no residual magnetism after power failure.
eBay
1PC 8mm*10mm Tiny Push-Pull Square Mini Solenoid Electromagnet DC 3V/ 6V/ 9V/ 12V Through Type Electromagnet 4mm Stroke
Aliexpress UK
eBay
DC DC Converter 12V TO 24V 3A DC DC Boost Module 9-20V to 24V Boost Converter 12V to 24V Boost Module 12V 24V ABS Shell
Aliexpress UK
The red and black wires are the power cords of the electromagnetic lock, and the positive and negative electrodes are not distinguished. Stroke & Force : 6mm, 80g. As circuits is powered, the lock tongue will pull back by 6mm and the door will be unlocked.
eBay
24V to 24V 12V to 12V voltage stabilizing module 12V to 24V booster 24V to 12V voltage regulator 9V-36V to 13.8V 19V
Aliexpress UK