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Trumbull AT31050 - Molded Case 50A 3-Pole 240V

Trumbull
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The Trumbull AT31050 is a 3-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 240V AC, 50A continuous current, and 10kA interrupting capacity at 240V, with LI (Long-Time and Instantaneous) trip functions for coordinated fault clearing. This bolt-on unit weighs 2 lb and features a compact molded case construction suitable for panelboard mounting. It complies with applicable UL and NEMA standards for molded case circuit breakers. Typical applications include branch circuit protection in commercial and light industrial electrical panels requiring 3-phase, 240V service.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 10kA@240V
  • Phase: 3
  • Weight: 2 lb
  • Family: AT Series
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • Manufacturer: Trumbull
  • Model: AT31050
  • Item Subcategory: Molded Case