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Cutler Hammer 11ARMLSIG - Solid State Trip Unit LSIG Protection (400-4000A)

Cutler Hammer
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Cutler Hammer 11ARMLSIG is a solid-state trip unit designed for comprehensive circuit protection in industrial power distribution systems. It provides LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection functions for circuit breakers within the 4000 Ampere frame size, with a configurable current rating range from 400 to 4000 Amps. The unit is engineered for compatibility with multiple breaker families including MDS, MDN, DS, DSL, DSII, and DSLII, and is part of the Digitrip 1150 family. This professional-grade component is constructed for reliable integration into industrial panels and switchgear, ensuring precise fault detection and system coordination.

Key Features & Specifications
  • Type: Solid State Trip Unit (Digitrip 1150 Family), 11ARM Type
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault Protection
  • Frame Size: 4000
  • Current Rating: 400 - 4000 Amps
  • Protection: Solid State
  • Compatible Frames: MDS, MDN, DS, DSL, DSII, DSLII
  • Weight: 5 lb


Product Identification
  • UPC: 782116053414