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Cutler Hammer 11ARMLSIA - Digitrip 1150+ Trip Unit LSIGA 400-4000A

Cutler Hammer
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Cutler Hammer 11ARMLSIA is a Digitrip 1150+ solid-state trip unit designed for advanced overcurrent and ground fault protection in industrial power distribution systems. It provides LSIGA protection functions including Long-Time, Short-Time, Instantaneous, and Ground Fault Alarm, with an adjustable amperage range from 400 A minimum to 4000 A maximum. The unit weighs 5 lb and is compatible with MDS, MDN, DS, DSL, DSII, and DSLII breaker frames. It meets industry standards for solid-state protection and is suitable for retrofit or new applications in industrial power distribution systems.

Key Features & Specifications
  • Type: 11ARM
  • Family: Digitrip 1150
  • Functions: LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm
  • Protection: Solid State
  • Amperage Minimum: 400
  • Amperage Maximum: 4000
  • Weight: 5 lb
  • Compatible Frames: MDS, MDN, DS, DSL, DSII, DSLII
  • Additional Function: ARMS (Arc-Flash Reduction & Maintenance)