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Cutler Hammer 1366D21G38 - 3-Pole 50A Circuit Breaker (18kA AIC)

Cutler Hammer
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The Cutler Hammer 1366D21G38 is a three-pole molded case circuit breaker designed to provide magnetic-only instantaneous overcurrent protection for three-phase industrial power distribution systems. It is rated for 50A at 600V AC with an interrupting capacity of 18kA, featuring a robust bolt-on connection for secure installation in panelboards and switchgear. This HFBM type breaker from the SELTRONIC family is constructed for durability in demanding environments, complying with relevant industry standards for electrical protection devices. Its instantaneous trip function (I) ensures rapid response to short-circuit faults, making it suitable for protecting feeders and branch circuits in manufacturing, processing, and commercial facilities.

Key Features & Specifications
  • Type: SELTRONIC HFBM Molded Case Circuit Breaker, Magnetic-Only Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA @ 600V
  • Protection Function: I - Instantaneous (Magnetic Trip)
  • Connection Type: Bolt-On
  • Item Subcategory: Molded Case Circuit Breaker
  • Weight: 5 lb


Product Identification
  • Manufacturer Part Number: 1366D21G38