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Wadsworth B3020NI - 30/20A Tandem Miniature Circuit Breaker

Brand Wadsworth
SKU B3020NI

Wadsworth B3020NI - 30/20A Tandem Miniature Circuit Breaker

Brand Wadsworth
SKU B3020NI
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Wadsworth B3020NI - 30/20A Tandem Miniature Circuit Breaker

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$125.40 In stock

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DescriptionSpecificationsSuperClubWarranties
Description
Built to maximize panel space, this 30/20A twin breaker delivers two separate circuits from a single mounting position. The plug-on design installs into classic Wadsworth load centers, offering a seamless fit for legacy infrastructure. This original equipment model is frequently replaced by the UBIA3020NI. Featuring a 10kAIC interrupt rating at 120VAC, this HACR-rated device utilizes fixed thermal-magnetic trip mechanisms to safeguard against overloads.

Specifications

Brand Wadsworth
Series B
Amperage 30/20A
Voltage 120VAC
Poles 1
Phase 1
AIC Rating 10kA @ 120VAC
Special Classification Tandem
Mounting Style Plug-On
Terminal Type Box Lugs
For Use With Wadsworth Load Centers
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed
Wire Gauge 14-6 AWG (Cu/Al)
Max Wire 6 AWG
Min Wire 14 AWG
Standards UL 489
Approval UL
Temp Rating 40C
Construction Features HACR Rated, Tandem, Class CTL

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Warranties

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If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

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International Shipping

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4.9
Rated 4.9 out of 5 stars
Based on 96 reviews
Total 5 star reviews: 90 Total 4 star reviews: 5 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 1
Reviews Summary
Customers say these electrical breakers and components work as expected and arrive quickly. Many reviews mention fast shipping, competitive pricing, and reliable products that fit perfectly. Users find the website easy to navigate and appreciate the wide selection of in-stock items. Common feedback includes satisfaction with timely delivery and professional customer service. While most praise the quality and value, one customer received used breakers instead of new ones as ordered. Overall, reviewers consistently highlight the combination of good prices, fast service, and dependable electrical components.
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96 reviews
  • DT
    David T.
    Verified Buyer
    Reviewing
    Siemens B320 - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/27/26
    Purchased (3) three phase breakers

    These breakers were easy to locate on the website. I received my order in a reasonable amount of time.

    Was this helpful?
  • SN
    Scott N.
    Verified Buyer
    Reviewing
    Siemens B215 - 15A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/23/26
    Breakers

    As always, we received the breakers in a Timely manner (fast) and they were what we expected them to be. Worked out well

    Was this helpful?
  • T
    Tony
    Verified Buyer
    Reviewing
    Siemens B390 - 90A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/20/26
    New breaker

    Replacement of a 25 year old breaker fixed an issue with commercial dishwasher. Thank you

    Was this helpful?
  • LB
    Lawrence B. G.
    Verified Buyer
    Reviewing
    Siemens B350 - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    2/12/26
    Supervisor

    Received breakers in timely manner, your response time was outstanding.

    Was this helpful?
  • SN
    Scott N.
    Verified Buyer
    Reviewing
    Siemens B215 - 15A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/11/26
    Owner

    They where exactly what we needed, received in a very timely manner

    Was this helpful?

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