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 (8f08801aed79a1e088e56aa7b70ef3f5a1778766_IsoSafe_M2_Dim.png)
- Connection diagram media (44447960d9c4e7fa095b9e3253af7bc736f91ce2_KATKO_KU3PNO_diagram.jpg)
- 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)
- STEP files (fcc1d5724936564baa44d40181b849df1621029c_IsoSafe_M2_YR.zip)
- DWG files (ec86cbfa19789db07123cbe51c00faa884c2b477_IsoSafe_M2_LK10.zip)
- Installation manuals (a80f4fadf2130deafe816f5da02a650a1ec58082_KATKO_IsoSafe_M2_installation_manual_33_en.pdf)
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