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ABB XT1SU3045AFD000XXX - MCCB 45A 3P 600V (Thermal Magnetic)

ABB
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ABB XT1SU3045AFD000XXX is a molded case circuit breaker from the SACE Tmax XT family, designed to provide thermal magnetic protection for electrical systems. This 3-pole unit is rated at 45A and 600V, with a 35kA interrupting capacity at 480V, and features LI (Long-Time and Instantaneous) trip functions for precise overcurrent protection. The bolt-on connection supports wire sizes from AWG 10 to AWG 2/0 (copper or aluminum), and the breaker weighs 5 lb, constructed for reliable low voltage applications. It is certified to UL and CSA standards, ensuring compliance with North American electrical codes. Typical applications include commercial and industrial power distribution, motor control centers, and panelboards requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: SACE Tmax XT
  • Country of Origin: United States
  • Type: XT1SU
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Standards: UL, CSA
  • Protection: Thermal Magnetic
  • Wire Size: AWG 10 to AWG 2/0, Cu/Al
  • Certification: UL, CSA
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 45A
  • Frame: XT1 125A
  • Voltage Rating: 600Y/347 VAC
  • Frequency: 50/60 Hz


Part Number: XT1SU3045AFD000XXX