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Siemens B1515NI - 15/15A Tandem Miniature Circuit Breaker

Brand Siemens
SKU B1515NI
4.9
Rated 4.9 out of 5 stars
96 Reviews
Wadsworth B1515NI Tandem Circuit Breaker
Free Shipping Over $99

Siemens B1515NI - 15/15A Tandem Miniature Circuit Breaker

Brand Siemens
SKU B1515NI
4.9
Rated 4.9 out of 5 stars
96 Reviews
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Earn 92 SuperPoints

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Wadsworth B1515NI Tandem Circuit Breaker

Siemens B1515NI - 15/15A Tandem Miniature Circuit Breaker

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$92.45 No stock

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DescriptionSpecificationsSuperClubWarranties
Description
Part of the B-Series lineup, the Siemens B1515NI provides space-saving circuit density by packing two 15A circuits into a single-pole bolt-on footprint. Built for commercial and industrial applications, this non-interchangeable trip breaker delivers reliable thermal-magnetic protection. It mounts securely into compatible Siemens panelboards and serves as a drop-in replacement for older BL Series 1-pole breakers in retrofit scenarios. Rated for 10kAIC at 120/240VAC and HACR applications.

Specifications

Brand Siemens
Series B
Part Number B1515NI
Amperage 15/15A
Voltage 120/240VAC
Poles 1
Phase 1
AIC Rating 10kA @ 120/240VAC
Special Classification Tandem
Mounting Style Bolt-On
Terminal Type Lugs
For Use With Siemens Load Centers (Verify Mounting)
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 14-10 AWG (Cu), 12-10 AWG (Al)
Max Wire 10 AWG
Min Wire 14 AWG (Cu), 12 AWG (Al)
Available Options Padlock Attachment, Handle Tie
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, UL 489
Approval CSA, HACR, UL
Temp Rating 40C
Construction Features HACR Rated, Non-Interchangeable Trip, Tandem

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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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