Load Break Switches
Katko LoadSafe load break switches (16-800A) are designed for safe and precise switching under load, following Finnish design principles where functionality and reliability come first. They deliver dependable performance in environments ranging from heavy industry to everyday electrical systems.
Built to withstand frequent operation and demanding conditions, LoadSafe load break switches support long service life and consistent power control wherever safe disconnection truly matters.
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KU 340N
Product typeLoad break switch 3x40AE-number FI: 3635101 GTIN: 6419410214503 Rated operational current AC-22A 415V (A): 40 Rated operational current AC-22A 690V (A): 40 -
KU 3125
Product typeLoad break switch 3x125AE-number FI: 3600785 GTIN: 6419410203491 Rated operational current AC-22A 415V (A): 125 Rated operational current AC-22A 690V (A): 125 -
KU 3630 LVK228LKX150
Product typeLoad break switch 3x630AE-number FI: 3602826 GTIN: 6419410483626 Rated operational current AC-22A 415V (A): 630 Rated operational current AC-22A 690V (A): 630 -
KU 380N
Product typeLoad break switch 3x80AE-number FI: 3635104 GTIN: 6419410214701 Rated operational current AC-22A 415V (A): 80 Rated operational current AC-22A 690V (A): 80 -
KU 4250W L200AD12T6LKX100
Product typeLoad break switch 4x250AE-number FI: 3602987 GTIN: 6419410205228 Rated operational current AC-22A 415V (A): 250 Rated operational current AC-22A 690V (A): 250 -
KU 4630 LVK228LKX150
Product typeLoad break switch 4x630AE-number FI: 3602828 GTIN: 6419410483640 Rated operational current AC-22A 415V (A): 630 Rated operational current AC-22A 690V (A): 630 -
KU 4125
Product typeLoad break switch 4x125AE-number FI: 3600791 GTIN: 6419410203682 Rated operational current AC-22A 415V (A): 125 Rated operational current AC-22A 690V (A): 125 -
KUE 340 KKUE
Product typeToggle switch 3x40AE-number FI: 3635024 GTIN: 6419410200513 Rated operational current AC-22A 415V (A): 40 Rated operational current AC-22A 690V (A): 40
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Latest News & Insights
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The Core of Responsible and Transparent Collaboration – Partner Code of Conduct
6.2.2025 -
Product Update: Extended Cable Range for 95-Series Connectors
30.10.2025 -
Jyrki Luomi has been appointed as the Commercial Director of Katko Oy
17.9.2024 -
New Front Plate for KU 16–40A Switch Series
26.8.2025 -
KATKO Strengthens Presence in UK: Ian Bullock Appointed Sales Director
10.11.2025 -
KATKO Strengthens Presence in Sweden: Kim Rannanjärvi Appointed Sales Manager
28.7.2025 -
Katko Products Available on EPLAN Data Portal
14.9.2023 -
KATKO LoadSafe Product Family – New Additions, Now Available
14.1.2025 -
KATKO KL Terminal Blocks Comply with the Requirements of the IEC TS 60947-7-5 Technical Specification
29.4.2025 -
KATKO Has Published Its First 'Sustainability at KATKO' Report
8.11.2024 -
Introducing the Refreshed LK10 handle: New Fresh Design, Same Trusted Performance
2.9.2024 -
Discontinuation of 3-pole EVA and VKA 80–160A Switches
23.6.2025
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