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Square D EHB24045 - 2-Pole 45A Thermal Magnetic Breaker

Square D
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Square D EHB24045 is a 2-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 480V AC, 45A continuous current, and provides LI (Long-Time and Instantaneous) trip functions for coordinated fault clearing. This bolt-on breaker weighs 1 lb and features a compact EHB frame construction suitable for panelboard mounting. It complies with UL 489 standards and carries an AIC rating of 14kA at 277V for single-phase applications. Typical uses include branch circuit protection in commercial and light industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EHB Series
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 14kA@277V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 1 lb
  • Standards: UL 489
  • Applications: Branch circuit protection in commercial and light industrial panels


Product Identification
  • Manufacturer: Square D
  • Model: EHB24045
  • Family: EHB Series
  • Item Subcategory: Molded Case