Katko UL/cUL listed stainless steel enclosed disconnect switches (AISI 304 and AISI 316L) are designed for demanding industrial and hygienic environments where corrosion resistance, reliability and compliance are essential. Available in Type 1, Type 3R, Type 12 and Type 4X configurations, the stainless steel enclosure provides excellent protection against chemicals and frequent washdown, ensuring dependable operation in harsh conditions.
The switches support across-the-line motor starting up to 75 HP at 600 V and are suitable for a wide range of motor and load disconnect applications. Certified according to UL and CSA requirements and compliant with UL 60947-4-1A, they meet North American regulatory expectations where performance, cleanliness and durability are critical.
Technical data
Dimensional drawing
Logistical data
Downloadables
- Dimensional drawings media (IsoSafe_RA4R_Dim.png)
- Connection diagram media (KATKO_KU3P_diagram)
- Brochures (Katko IsoSafe Catalogue - Safety Switches & Isolators)
- Brochures (Katko IsoSafe Tuoteluettelo - Turvakytkimet FI)
- Brochures (Katalog Wyrobów KATKO IsoSafe – Wyłączniki bezpieczeństwa i rozłączniki PL)
- Brochures (Katko IsoSafe UL Listed Selection Brochure EN)
- DWG files (IsoSafe_RA4R_LKR.zip)
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The Core of Responsible and Transparent Collaboration – Partner Code of Conduct
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Jyrki Luomi has been appointed as the Commercial Director of Katko Oy
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New Front Plate for KU 16–40A Switch Series
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IsoSafe KSM series upgraded – now with better performance and easier installation
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We Are Hiring: Technical Sales Support Specialist
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Discontinuation of 3-pole EVA and VKA 80–160A Switches
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