Mastech is an established name in variable DC power supplies with over 30 years of experience in making high quality DC power supplies. Mastech power supplies are widely used by the engineering, scientific, and hobbyist community. Acifica, Inc. is the biggest volume seller of Mastech power supplies in US, and we carry the widest selection than any other sellers. All of the products are inventoried in our warehouse in San Jose, California, so that you will typically get your order within 1-5 business days from the date of ordering. In the rare cases when a product is out of stock temporarily, we will notify you promptly.
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