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Square D QDA221501 - Molded Case Circuit Breaker 150A 240V 25kA

Square D
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Square D QDA221501 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial power distribution systems. It features a 150A current rating and a 240V voltage rating for single-phase AB connections, housed within a compact 164.34 mm H x 76.2 mm W x 99.82 mm D frame with a 4.83 lb weight. The breaker utilizes a thermal-magnetic trip mechanism for long-time and instantaneous protection, is rated for 25kA interrupting capacity at 240V, and operates reliably across a temperature range of -25 to 70 °C. It complies with UL, CSA, NEMA, and NOM standards and is engineered for plug-in installation in I-Line panelboards, accepting wire sizes from 4 AWG to 300 MCM via its lug terminals.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Frame Size: 250A/QD
  • Poles: 2
  • AIC Rating: 25kA @ 240V
  • Phase: 1
  • Connection: Plug In Panelboard, Lug Terminal
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Panel Type: I-Line Panelboards
  • Phase Connection: AB
  • MCM Size: Min. 4 AWG, Max. 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: 4.83 lb
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901568261
  • GTIN: 00785901568261