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Square D A1B290 - Molded Case 90A 240V 2-Pole

Square D
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Square D A1B290 is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 2-pole, 90A breaker operates at 240V with a 10kA interrupting capacity at 240V, utilizing thermal-magnetic protection for long-time and instantaneous fault response. The unit features a bolt-on connection, weighs 2 lb, and is part of the A1B Series with a single-phase configuration. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in branch circuit protection applications. Typical uses include protecting feeders and equipment in commercial and light industrial settings.

Key Features & Specifications
  • Type: Molded Case, A1B Series
  • Voltage Rating: 240V
  • Current Rating: 90A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb


Product Identification
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