Siemens Industry Online Support
Siemens AG
Entry type: Product note Entry ID: 109782397, Entry date: 10/02/2020

Delivery release: Molded case switch 3LD52 UL, 60A

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  • Associated product(s)
The 3LD5 switch disconnector portfolio is going to be expanded by the new 3LD52 UL, 60A. In addition to the IEC certification, the 3LD5 UL line is also certified according to UL489 and UL508. They can, therefore, be used as a main switch for machines to be exported to the US


Ex works the line is available for 3- and 4-pole applications covering 30-150 A. Three variants will be available:

  • Floor mounting with direct handle
  • Floor mounting with defeatable door coupling rotary operating mechanism
  • Front-mounted


  • Main switch for UL and IEC
  • Compact design
  • Large variety of accessories (suitablity as main switch for industrial machinery)

Target markets:

3LD5 UL main and emergency stop switches are predestined to be used in all machining and processing machines to be exported to the US. The line can be used as main switch for industrial machinery or as general use main disconnect.

For more information:


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