ABB

ABB XT1NU3110AFD000XXX 110A 3P Molded Case Circuit Breaker – XT1 Series – Thermal Magnetic – 25kA @ 480V

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SKU: XT1NU3110AFD000XXX GTIN/UPC: 56221750316
Regular price $635.60
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The ABB XT1NU3110AFD000XXX is a 110A, 3-pole molded case circuit breaker from the SACE Tmax XT family, designed for commercial and industrial power distribution applications. It delivers reliable overcurrent protection using a fixed thermal-magnetic (LI) trip unit, ensuring accurate long-time and instantaneous response. This unit-mount breaker integrates into ABB SACE Tmax XT panelboards, switchboards, and enclosures, serving as a direct replacement for legacy Tmax T1 series breakers. It includes both line and load lugs along with mounting hardware for simplified installation.

Voltage and Rating

  • Current Rating: 110 A
  • Voltage Rating: 240VAC, 480VAC, 600Y/347VAC, 250VDC
  • AIC Rating:
    • 50kA @ 240VAC
    • 25kA @ 480VAC
    • 18kA @ 600Y/347VAC
    • 35kA @ 250VDC

Key Specifications

  • Device Type: Molded Case Circuit Breaker
  • Series: XT1
  • Number of Poles: 3-Pole
  • Phase: 3 Phase
  • Trip Technology: Thermal Magnetic
  • Trip Function Code: LI
  • Trip Function: Long-Time, Instantaneous
  • Trip Adjustability: Fixed Thermal, Fixed Magnetic
  • Mounting Style: Unit Mount
  • Terminal Type: Lugs
  • Application: Commercial and industrial power distribution

Technical Specifications

  • Wire Range: 10 AWG – 2/0 AWG
  • Max Wire: 2/0 AWG
  • Min Wire: 10 AWG
  • Temperature Rating: -25°C to 70°C
  • Construction Features: HACR Rated, Reverse Feed, Trip-Free Mechanism, Double Insulated
  • Standards: CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489
  • Approvals: CE, CSA, cULus, IEC, RoHS, UL
  • Accessories Included: Line and Load Lugs, Mounting Hardware, Phase Barriers
  • Accessories Available: Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment

Product Data

  • Manufacturer: ABB
  • Model Number: XT1NU3110AFD000XXX
  • Product Series: XT1 (SACE Tmax XT)
  • Product Type: Molded Case Circuit Breaker
  • For Use With: ABB SACE Tmax XT Panelboards, Switchboards, Enclosures


  • Type Circuit Breakers
  • Vendor ABB
  • Brand ABB

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.