Buildings & Installation
Built for everyday building installations
Modern buildings require electrical solutions that are safe, reliable, and easy to install. Katko supports building installations with solutions designed around real-world installation needs, long service life, and dependable everyday operation. By combining practical design, consistent quality, and more than eight decades of experience in real-world applications, we help ensure safe and efficient electrical installations across a wide range of building applications.
Why choose Katko for building installations
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Safety you can trust
We design and deliver solutions that support safe and compliant building installations, helping our customers meet regulatory requirements with confidence.
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Engineered by listening to real-world needs
By listening to industry needs, we iterate every switch and every connection until it’s right. Ensuring performance, safety, and intuitive installation.
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Flexibility for diverse building projects
We support a wide range of building installation needs with flexible solutions, tailored project-specific options, and reliable availability for different applications and layouts.
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Reliable partner for long-term use
Katko solutions are made to perform consistently in continuously operating building services such as lighting, ventilation, and air, supporting long service life and dependable operation.
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Support that stays close
We work at a human scale. With accessible technical expertise and responsive customer support, we work as a committed partner throughout your project lifecycle.
Buildings & Installation solutions are commonly used in:
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Signage and Outdoor Lighting
Reliable isolation and protection for illuminated signs, façades and exterior lighting systems.
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Ventilation and Air Conditioning
Safe power control and isolation for ventilation units and HVAC equipment in commercial and public buildings.
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Commercial and Professional Kitchens
Durable solutions for electrical installations in demanding kitchen environments where hygiene and reliability are essential.
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Cable Connections and Branching
Secure enclosures and connectors for extending and branching cables in building and infrastructure installations.
Products commonly used in buildings and installation projects:
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IsoSafe Polycarbonate Enclosed Isolators
Discover our Polycarbonate Safety IsolatorsA key product category for building electrical installations, particularly for safe isolation during maintenance and service work.
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Side-operated Polycarbonate Isolators
Discover our Side-operated Polycarbonate IsolatorsInstaller-friendly safety switches designed for dependable isolation and long service life in everyday building applications.
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Installation Enclosures
Discover Installation EnclosuresHigh-quality installation enclosures providing protection, flexibility and efficient mounting for electrical components.
Looking for reliable solutions for your buildings and installation project?
We can assist you with technical support, quote or tailoring options.
Latest News & Insights
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Discontinuation of 3-pole EVA and VKA 80–160A Switches
June 23, 2025 -
Introducing the Refreshed LK10 handle: New Fresh Design, Same Trusted Performance
September 02, 2024 -
KATKO Has Published Its First 'Sustainability at KATKO' Report
November 08, 2024 -
KATKO KL Terminal Blocks Comply with the Requirements of the IEC TS 60947-7-5 Technical Specification
April 29, 2025 -
KATKO LoadSafe Product Family – New Additions, Now Available
January 14, 2025 -
Katko Products Available on EPLAN Data Portal
September 14, 2023 -
KATKO Strengthens Presence in Sweden: Kim Rannanjärvi Appointed Sales Manager
July 28, 2025 -
KATKO Strengthens Presence in UK: Ian Bullock Appointed Sales Director
November 10, 2025 -
New Front Plate for KU 16–40A Switch Series
August 26, 2025 -
Jyrki Luomi has been appointed as the Commercial Director of Katko Oy
September 17, 2024 -
Product Update: Extended Cable Range for 95-Series Connectors
October 30, 2025 -
The Core of Responsible and Transparent Collaboration – Partner Code of Conduct
February 06, 2025