319 Contact Key, Single, Economy

product Overview:

Perfect for experiments which require momentary current. The con-tact key can be used to open or close an electrical circuit. They key is mounted on a 2" x 4-1/2" black acrylic base, with two binding posts. They key is made of plated metal with contacts and insulated button which is pressed to close the circuit momentarily. Economy; 0.5 lb.


We have 70 skillful operators, 5 machine mechanics and 31 quality inspectors, total annual output capacity in design can reach 130 millions sets.



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Customer message

Our team has been and will continue to be committed to science education industry to provide quality products at competitive prices and good services to our clients all over the world.