DC Non-Fusible Disconnect Switches - INOSYS LBS DC UL ESS | Socomec
Load break switches for DC and ESS applications
DC Non-Fusible Disconnect Switches INOSYS LBS DC UL ESS — from 800 to 1200 A, up to 1500 VDC
Manually controlled, innovative and efficient DC/PV disconnect switches.



  • High switching capacity of 750 VDC per pole with optimum arc containment and significant power loss reduction
  • Safe & reliable operation
  • Guaranteed disconnection in both the OFF position
  • Compliant with Emergency switching requirements, compatible with any protection relay
  • Used of high temperature withstand materials, No derating up to 131° F / 55° C


  • UL 98B Guide WHVA File E346418
  • IEC 60947-3


INOSYS LBS DC UL ESS are multi-polar load break switches that can be manually controlled. These switches can be operated manually using the handle to disconnect all or part of the electrical installation.
They ensure on-load opening / closing and safe disconnection of any direct current low voltage electrical circuit up to 1500 VDC.


  • Energy Storage System (ESS)
  • Disconnection within PV installation
  • Battery protection
  • Emergency power switching
  • Isolation of DC processes