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Square D KA26125AC1021 - Molded Case 125A 2-Pole Circuit Breaker

Square D
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Square D KA26125AC1021 is a molded case circuit breaker from the I-Line family, designed to provide overcurrent protection through its thermal magnetic mechanism. This 2-pole unit is rated for 600V AC and 125A, with an interrupting capacity of 25kA at 480V, and features LI (Long-Time and Instantaneous) protection functions. The breaker weighs 13 lb and uses an I-Line style plug-in connection for installation in compatible panelboards, and it is equipped with a 120V shunt trip for remote tripping capability. It complies with industry standards for industrial power distribution and motor control applications. Typical applications include protecting branch circuits in commercial and industrial electrical systems where reliable overcurrent and short-circuit protection is required.

Key Features & Specifications
  • Type: Molded Case, I-Line Family, KA Series
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 25kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Phase: 1
  • Weight: 13 lb
  • Additional Info: Complete with 120V shunt trip