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Wadsworth A270NI Miniature Circuit Breaker

  • 70A
  • 2 Pole
  • Plug-On
Wadsworth A270NI
Miniature Circuit Breaker
Brand Wadsworth
SKU A270NI
Select Item Condition
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  • 70A
  • 2 Pole
  • Plug-On

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Wadsworth A270NI 2 Pole Circuit Breaker

Wadsworth A270NI - 70A 2 Pole Miniature Circuit Breaker

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$313.49 In Stock

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Description

Upgrading specific circuits in older homes requires specialized hardware. This 70A, two-pole breaker delivers robust thermal-magnetic trip functions for demanding residential loads, ensuring reliable power distribution. Formulated for compatibility with Wadsworth Type A load centers, the unit mounts into the existing bus architecture. It serves as a highly sought-after replacement for the UBIA270NI.

Specifications

Key specifications
Brand Wadsworth
Part Number A270NI
Series A
Amperage 70A
Poles 2
Mounting Style Plug-On
Voltage 120/240VAC
Phase 1
AIC Rating 10kA @ 120/240VAC
Fit and installation
Terminal Type Box Lugs
For Use With Wadsworth Type A Load Centers
Wire Gauge 4 AWG - 1/0 AWG
Max Wire 1/0 AWG
Min Wire 4 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed
Standards and features
Standards UL 489
Approval UL
Temp Rating 40C
Construction Features HACR Rated, Class CTL

Product FAQs

5 answers
What load centers are compatible with the Wadsworth A270NI?

This breaker is designed exclusively for Wadsworth Type A load centers. It utilizes a specific plug-on mounting design that is not interchangeable with other manufacturer panels.

Is there a modern replacement for the obsolete Wadsworth A270NI?

Yes. Connecticut Electric manufactures a direct, safety-certified replacement for this breaker under the catalog number UBIA270NI.

What does the NI designation mean on the A270NI breaker?

The NI stands for Non-Interchangeable. This indicates the breaker includes a Class CTL rejection mechanism, which prevents it from being installed in panel slots not designed for it, helping to avoid busbar overloading.

What applications are suitable for this 70A Wadsworth breaker?

This 70-amp, two-pole breaker is typically used for heavy 240V residential loads, such as feeding a subpanel or powering large electric heating equipment. It is HACR rated for use with heating, air conditioning, and refrigeration systems.

What wire sizes are accepted by the terminals on the A270NI?

The box lug terminals on this breaker accommodate wire gauges from 4 AWG up to 1/0 AWG. Ensure the selected wire size meets local electrical codes for a 70-amp circuit.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 5 reviews
Total 5 star reviews: 5 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
5 reviews
  • PS
    Paul S.
    Verified Buyer
    Reviewing
    Wadsworth A15NI - 15A 1 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/14/26
    Worked fine, glad to have it.

    I had no idea how much it could cost.

  • DP
    David P.
    Verified Buyer
    Reviewing
    Square D 9065ARO1R Overload Relay
    I recommend this product
    Rated 5 out of 5 stars
    11/3/25
    Loved it!

    Fantastic!!!

  • KJ
    Kevin J.
    Flag of United States
    Reviewing
    Wadsworth A260NI - 60A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/11/24
    Great deal

    Came on time in great shape

  • VJ
    Vernice J.
    Flag of United States
    Reviewing
    Wadsworth A240NI - 40A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/16/20
    Order of Breaker

    This company did an excellent job with providing a good part and delivery exceeded my expectations.

  • HO
    Hugh O.
    Flag of United States
    Reviewing
    General Electric AF43S Panel Board Cover
    I recommend this product
    Rated 5 out of 5 stars
    9/24/17
    Breaker panel

    I recently purchased a breaker panel cover. It arrived in a timely manner well packed and unharmed.

    The shipping was free so I was sceptical.

    All is well.