KER 380CUL YR RA4EMC 2XM32MEMC KST16M
Manual motor controller EMC 3x80AKER 380CUL YR RA4EMC 2XM32MEMC KST16M
Katko UL/cUL listed EMC-protected enclosed disconnect switches (16-150A) are designed for applications where reliable disconnection and electromagnetic compatibility are required. The EMC-protected enclosure minimizes electromagnetic interference, supporting stable operation in installations with sensitive equipment and strict EMC requirements.
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 standards while ensuring dependable performance in electrically sensitive environments. Developed using Katko’s application-driven engineering approach, these disconnect switches provide safe, reliable and interference-controlled electrical distribution.
Looking for more information about this product?
Our team is here to help.

Product details and documents
Technical data
No dimensional drawings available for this product.
Dimensional drawing
No dimensional drawings available for this product.
Logistical data
Downloadables
- 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)
- STEP files (IsoSafe_RA4.zip)
- DWG files (IsoSafe_RA4_LK10.zip)
- Installation manuals (KATKO_IsoSafe_RA4_RA5_installation_manual_97)
Related accessories
Not finding what you're looking for? We're here to help!
We can assist you with technical support, quote or tailoring options for this product
Latest News & Insights
-
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