Would you like to have your switch in parts or assembled?
Katko switches are high performance products that are quick and easy to install. Katko’s selection covers the widely used industry standards as well as tailored special solutions.
Building efficient and high quality power distribution solutions with a long life cycle?
Katko Switches, Terminals and related Accessories are designed to offer high electrical performance and installation efficiency – Easy to Trust, Easy to Install.
Katko is a Finnish family business specialising in safety switches, load break switches, fused switches and related accessories. With more than 70 years of experience, our product selection is among the most extensive in the world. It includes special products for demanding operating environments and critical locations.
In addition to wholesalers, we are able to serve our project and equipment manufacturer customers with tailored product solutions. We manufacture all of our products and their related components in our own factories. Katko switches are known for numerous details that make their installation and use easy. Manufactured with materials of superior quality to suite their intended purpose.
KATKO Oy has moved Katko Oy has moved to new premises on 18.11.2019. The new premises are located in Konala industrial area in Helsinki, close to the old Vantaa factory. “The increased capacity in the new premises allow us to better respond to our growing customer demand. Also, it was important for us as an…
Katko’s change-over switches – with or without an enclosure, 16-160 A & 630-800 A
Change-over switches, or transfer switches, are used when power source needs to be transferred, for example for the duration of maintenance work. The advantage of a change-over switch is that the user can easily switch the source of power. The mechanism of the switch makes sure that when main power is switched off, the alternative…
Alternating current (AC) and direct current (DC) are used side-by-side nowadays and both have attributes that make them valuable for certain situations. Nevertheless, modern history of electricity started with an existential war (the war of the currents) between AC and DC, with parties of each side trying to discredit one another. AC’s superiority of transmission…
