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Siemens Q23020CT2 - 30/20A Quadplex Miniature Circuit Breaker

Brand Siemens
SKU Q23020CT2
5.0
Rated 5.0 out of 5 stars
43 Reviews
Siemens Q23020CT2 Quad Circuit Breaker
Free Shipping Over $99

Siemens Q23020CT2 - 30/20A Quadplex Miniature Circuit Breaker

Brand Siemens
SKU Q23020CT2
5.0
Rated 5.0 out of 5 stars
43 Reviews
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Earn 41 SuperPoints

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Siemens Q23020CT2 Quad Circuit Breaker

Siemens Q23020CT2 - 30/20A Quadplex Miniature Circuit Breaker

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$41.39 In stock

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DescriptionSpecificationsSuperClubWarranties
Description
Providing maximum circuit density, the Siemens Q23020CT2 is a 30/20A quadplex breaker built for residential use. It features common trip mechanisms on both the inner and outer poles for enhanced safety. Equipped with a CTL rejection clip, this plug-on unit only mounts into compatible Siemens load centers. It serves as an exact replacement for the legacy MP23020CT2 model. Delivering a 10kA rating at 120/240VAC, this thermal-magnetic breaker is HACR rated for HVAC equipment.

Specifications

Brand Siemens
Series Q
Part Number Q23020CT2
Amperage 30/20A
Voltage 120/240VAC
Poles 4
Phase 1
AIC Rating 10kA @ 120/240VAC
Special Classification Quadplex
Mounting Style Plug-On
Terminal Type Lugs
For Use With Siemens Load Centers
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed
Wire Gauge 14-6 AWG (Cu), 12-6 AWG (Al)
Max Wire 6 AWG
Min Wire 14 AWG
Available Options Padlock Attachment
Standards CSA C22.2 No. 5, HACR, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Common Trip, Tandem, CTL Rejection, HACR Rated

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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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Shipping

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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

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International Shipping

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5.0
Rated 5.0 out of 5 stars
Based on 43 reviews
Total 5 star reviews: 42 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Customers say these circuit breakers arrive quickly and match their specifications perfectly. Many reviews mention success finding hard-to-locate specialty breakers through this supplier. Common feedback includes praise for the accurate product descriptions, reliable shipping, and competitive pricing. While some note occasional stock limitations, users consistently report the breakers fit and function as intended.
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43 reviews
  • GS
    George S.
    Verified Buyer
    Reviewing
    Siemens Q2150B - 150A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/4/26
    Great service

    Every time I call or go online you have the parts I'm looking for.

    Was this helpful?
  • CC
    Curt C.
    Verified Buyer
    Reviewing
    Siemens Q2125 - 125A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/23/26
    Q2125

    Brand New Shipped and delivered in 3 days!

    Was this helpful?
  • JF
    James F.
    Verified Buyer
    Reviewing
    Siemens Q2150B - 150A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    12/20/25
    Circuit breaker life saver!!

    Super breakers have always came in clutch when we’re in need of any parts!! And always quick to respond when in need of helpful answers. Thank you!

    Was this helpful?
  • JC
    Joselito C.
    Verified Buyer
    Reviewing
    Siemens Q2100 - 100A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/6/25
    Im dine

    Im done

    Was this helpful?
  • AG
    alejandro g.
    Verified Buyer
    Reviewing
    Siemens Q2100 - 100A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/31/25
    Great price and great service

    Breakers work great

    Was this helpful?

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