ABB

ABB XT1NU3070AFD000XXX 70A 3P Molded Case Circuit Breaker – XT1 Series – Thermal Magnetic – 50kA @ 240V

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SKU: XT1NU3070AFD000XXX GTIN/UPC: 8015644786205
Regular price $485.80
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The ABB XT1NU3070AFD000XXX is a 70A, 3-pole molded case circuit breaker from the SACE Tmax XT1 family, engineered for commercial and industrial power distribution. Designed as a direct replacement for legacy T1N070TW breakers, it features a fixed thermal-magnetic (TMF) trip unit that provides dependable long-time and instantaneous (LI) protection. This unit mount breaker integrates into ABB SACE Tmax XT panelboards and switchboards and includes load-side lugs for copper or aluminum wiring.

Voltage and Rating

  • Current Rating: 70 A
  • Voltage Rating: 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC
  • AIC Rating:
    • 50kA @ 240VAC
    • 25kA @ 480VAC
    • 18kA @ 600Y/347VAC
    • 36kA @ 250VDC
    • 36kA @ 500VDC

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
  • Standards: CSA C22.2 No. 5, IEC 60947-2, UL 489
  • Approvals: CE, CSA, cULus, HACR, IEC, UL
  • Accessories Available: Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment
  • Accessories Included: Load Side Lugs (Kit FC CuAl 10–2/0 AWG)

Product Data

  • Manufacturer: ABB
  • Model Number: XT1NU3070AFD000XXX
  • Product Series: XT1 (SACE Tmax XT1)
  • Product Type: Molded Case Circuit Breaker
  • For Use With: ABB SACE Tmax XT Panelboards and Switchboards


  • 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.