Electrician pure iron shell, less residual magnetism, integrated molding, stronger magnetic permeability
Built-in core, more conductive and low power consumption
Power-driven core load off by the spring return(Please note, relatively soft springs, only the iron core reset) Push nut convenient headband fixed object, such electromagnet by impact work. Inertial force huge impact.
Suitable For: Vending machines, transport equipment, office facility household appliance, mechanical, etc.
Three months can be returned, half a year can be exchanged