ABB

ABB XT1NU3100AFF000XXX 125A 3P Molded Case Circuit Breaker – XT1 Series – Thermal Magnetic – 25kA

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SKU: XT1NU3100AFF000XXX GTIN/UPC: 8015644786236
Regular price $428.40
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The ABB XT1NU3100AFF000XXX is a 3-pole molded case circuit breaker from the Tmax XT series, designed for reliable protection in commercial and industrial electrical systems. It features a thermal-magnetic trip unit and a fixed built-in construction for consistent long-time and instantaneous protection. Engineered for front-side mounting, this breaker offers dependable performance in compact panelboard and switchboard installations.

Voltage and Rating

  • Current Rating: 125 A
  • Voltage Rating: 480 V
  • Voltage Range: 240 to 347 V
  • Breaking Capacity: 25 kA

Key Specifications

  • Device Type: Molded Case Circuit Breaker
  • Series: Tmax XT Series
  • Number of Poles: 3-Pole
  • Actuator Type: Toggle
  • Connection Type: Bolt Connection
  • Mounting Orientation: Front Side
  • IP Rating: IP20
  • Application: Electrical distribution systems

Technical Specifications

  • Trip Technology: Thermal/Magnetic
  • Construction Type: Built-in device, fixed built-in technique
  • Alternate Mfr Part Number: 1SDA074646R1
  • Standards Classification: UNSPSC 39120000
  • Compact design suitable for industrial and commercial installations

Product Data

  • Manufacturer: ABB
  • Model Number: XT1NU3100AFF000XXX
  • Part Number: XT1NU3100AFF000XXX
  • Product Series: Tmax XT Series
  • Product Type: Molded Case Circuit Breaker
  • UPC: 8015644786236
  • Unit of Measure: EA



  • 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.