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Challenger BQ3C020 3 Pole Circuit Breaker
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Eaton / Challenger BQ3C020 Molded Case Circuit Breaker

  • 20A
  • 3 Pole
  • Bolt-On
Eaton / Challenger BQ3C020
Molded Case Circuit Breaker
Brand Eaton / Challenger
SKU BQ3C020
Select Item Condition
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  • 20A
  • 3 Pole
  • Bolt-On

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Challenger BQ3C020 3 Pole Circuit Breaker

Eaton / Challenger BQ3C020 - 20A 3 Pole Molded Case Circuit Breaker

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$28.33 No Stock

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Description SpecificationsProduct FAQs SuperClub Warranties Shipping Reviews 4.9 (73)

Description

Commercial facilities utilizing legacy panelboards depend on this 3-pole, 20A bolt-on breaker for robust electrical protection. It installs seamlessly into Challenger, Westinghouse, and Eaton BAB enclosures, providing 240VAC thermal-magnetic defense against overloads and short circuits. Featuring a 10kAIC rating and common trip functionality, the HACR-rated unit ensures optimal safety for HVAC loads. It acts as an exact substitute for the BAB3020 in existing three-phase setups.

Specifications

Key specifications
Brand Eaton / Challenger
Part Number BQ3C020-R
Series BQ
Amperage 20A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC
Phase 3
AIC Rating 10kA @ 240VAC
Fit and installation
Terminal Type Lugs
For Use With Challenger Panelboards, Eaton BAB Panelboards, Westinghouse Panelboards
Wire Gauge 14-8 AWG
Max Wire 8 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed
Standards and features
Available Options Padlock Attachment
Standards HACR, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Common Trip

Product FAQs

5 answers
Which panelboards are compatible with the BQ3C020 circuit breaker?

This breaker installs seamlessly into legacy Challenger panelboards, as well as Eaton BAB and Westinghouse enclosures.

Can the BQ3C020 be used to replace an Eaton BAB3020?

Yes, this breaker acts as an exact substitute for the Eaton BAB3020 in existing three-phase setups.

How does the thermal-magnetic trip unit operate on this breaker?

The fixed thermal-magnetic mechanism provides Long-Time protection for sustained overloads and Instantaneous protection to quickly clear short circuits.

Is the BQ3C020 suitable for HVAC equipment?

Yes, this breaker is HACR rated, meaning it is approved for safe use with heating, air conditioning, and refrigeration motor loads.

What wire sizes are accepted by the BQ3C020 terminals?

The lug terminals accommodate wire gauges from 14 AWG to 8 AWG, supporting standard conductor sizes required for 20A three-phase branch circuits.

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Warranties

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Shipping

Free Shipping Policy

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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Same Day Shipping

We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.

Expedited Shipments

Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.

International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

Reviews

4.9
Rated 4.9 out of 5 stars
Based on 73 reviews
Reviews Summary
Customers say these breakers arrive quickly and fit perfectly for their electrical needs. Fast shipping and competitive pricing are frequently mentioned, with many users appreciating the availability of hard-to-find and older-style breakers. The products are well-packaged and arrive in good condition. Most customers report successful installations and reliable performance. A few note missing items from orders or concerns about product condition, though the majority express satisfaction with their purchases and indicate they would order again.
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73 reviews
  • HS
    Hector S.
    Verified Buyer
    Reviewing
    Siemens BQ3B100H - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/27/26
    Perfect replacement

    Fit perfectly and good price

    Was this helpful?
  • AF
    Anthony F.
    Verified Buyer
    Reviewing
    Siemens BQ2B020 - 20A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/25/26
    works as expected

    works as expected

    Was this helpful?
  • MS
    Mike S.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer BQ250250 - 50/50A Quadplex Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/12/26
    Electrical company

    Breaker worked awesome thank you very much

    Was this helpful?
  • PE
    Philip E.
    Verified Buyer
    Reviewing
    Siemens BQ3B020 - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/10/26
    Siemens BQ3B020

    The breaker arrived as described and on time. It works as expected. I will order from SuperBreakers again in the future without hesitation.

    Was this helpful?
  • PL
    Paul L.
    Verified Buyer
    Reviewing
    Siemens BQ1B020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/23/26
    Breaker

    Quick shipping. Exact fit.

    Was this helpful?