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Square D Q1390 - 90A 3-Pole Molded Case Circuit Breaker

Square D
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Save $-107.10
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Condition
  • In stock, ready to ship
  • Backordered, shipping soon
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Square D Q1390 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 90A current rating and a 240V AC voltage rating, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection. The breaker is constructed as a compact, plug-in unit with three poles and a 10kA interrupting capacity at 240V, ensuring compliance with industry safety standards. It is engineered for integration into industrial panels and switchboards where robust circuit protection is required for motor loads and power distribution.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Connection Type: Plug-In
  • Family/Series: Q1 Series
  • Weight: 2 lb


Product Identification
  • UPC: 635909357551