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Square D QDA221504 - Molded Case Circuit Breaker 150A 240V (25kA AIC)

Square D
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Square D QDA221504 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 150A current rating and a 240V voltage rating, engineered for single-phase applications with a BC phase connection. The breaker is constructed with a compact plug-in design measuring 164.34 mm H x 76.2 mm W x 99.82 mm D and a weight of 4.6 lb, featuring lug terminals compatible with wire sizes from 4 AWG to 300 MCM. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, ensuring safe operation across a temperature range of -25 to 70 °C. This thermal magnetic breaker is typically applied in I-Line panelboards, offering a 25kA interrupting capacity at 240V for robust protection against short circuits and overloads.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard Type, Thermal Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Frame Size: 250A/QD
  • Poles: 2
  • Phase: 1
  • AIC Rating: 25kA @ 240V
  • Connection: Plug-In Panelboard, Lug Terminal
  • MCM Size: Minimum 4 AWG, Maximum 300 MCM
  • Dimensions: 164.34 mm (H) x 76.2 mm (W) x 99.82 mm (D) / 6.47 in x 3 in x 3.93 in
  • Weight: 4.6 lb
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Panel Type: I-Line Panelboards
  • Phase Connection: BC
  • Country of Origin: Mexico
  • Family: I-Line


Product Identification
  • UPC: 785901485421
  • GTIN: 00785901485421