Katko UL/cUL listed polycarbonate enclosed disconnect switches are designed for demanding industrial and commercial applications where safety, compliance and reliable disconnection are essential. Featuring a Type 4X polycarbonate enclosure, they provide excellent corrosion resistance, electrical insulation and UV stability, ensuring dependable operation in both indoor and outdoor environments.
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 the expectations of North American installations where performance and regulatory compliance are critical.

Product details and documents
Technical data
Dimensional drawing
Logistical data
Downloadables
- Dimensional drawings media (301d048e3989139600347e5bc6578d4b1483d6dd_IsoSafe_M3_Dim.png)
- Brochures (6379e76fa5ee33ff60767c9781ca3ebaada6c217_KATKO_IsoSafe_catalogue_102024_en.pdf)
- Brochures (88bc9d1eaaa50e840fe66815236a2d4c16fce617_KATKO_IsoSafe_catalogue_082022_fi.pdf)
- Brochures (86a395c9341799e90f45174a6e4861db77624a97_KATKO_IsoSafe_catalogue_012025_pl.pdf)
- Brochures (c8ba4f5b3cfe2b43b7c1dccc032ff74c092d2534_KATKO_IsoSafe_ISF_UL_listed_brochure_092024_en.pdf)
- Installation manuals (403737e296db125174bafa5cf04371271391ec44_KATKO_IsoSafe_M3_installation_manual_36.pdf)
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