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Square D QOB225VH1021 2 Pole Circuit Breaker
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Square D QOB225VH1021 Circuit Breaker

  • 25A
  • 2 Pole
  • Bolt-On
Square D QOB225VH1021
Circuit Breaker
Brand Square D
SKU QOB225VH1021
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  • 25A
  • 2 Pole
  • Bolt-On

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Square D QOB225VH1021 2 Pole Circuit Breaker

Square D QOB225VH1021 2 Pole Circuit Breaker

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$580.00 In Stock

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Description SpecificationsProduct FAQs SuperClub Warranties Shipping Reviews 4.9 (205)

Description

Square D QOB225VH1021 2 Pole Circuit Breaker

The Square D QOB225VH1021 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 25 Amps and a voltage rating of 120/240VAC. It has an interrupting rating of 22kAIC at 240VAC. The QOB225VH1021 has a bolt-on connection type and includes long time and instantaneous trip functions.

Specifications

Key specifications
Brand Square D
Part Number QOB225VH-1021
Series QOB
Amperage 25A
Poles 2
Mounting Style Bolt-On
Voltage 120VAC, 240VAC, 120/240VAC
Phase 1
AIC Rating 22kA @ 120VAC, 22kA @ 240VAC, 22kA @ 120/240VAC
Fit and installation
Terminal Type Pressure Plate
For Use With NQ Panelboards, NQOD Panelboards
Wire Gauge 14-8 AWG (Al/Cu)
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 Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Shunt Trip (Factory Installed), Load Side Lugs Included
Standards CSA C22.2 No. 5, UL 489, HACR
Approval CSA, UL
Temp Rating 40C
Construction Features Visual Trip Indicator, HACR Rated, High Interrupting Capacity

Product FAQs

8 answers
What does the 1021 suffix mean on the QOB225VH1021 catalog number?

The 1021 suffix indicates that this circuit breaker includes a factory-installed shunt trip accessory. This allows the breaker to be opened remotely using a 120, 208, or 240 VAC control signal, which is commonly required for emergency shutdown or fire alarm systems.

What panelboards are compatible with the QOB225VH1021?

This bolt-on miniature circuit breaker is designed for use in Square D NQ and NQOD panelboards. It is not compatible with standard QO load centers, which require plug-on breakers.

What does the VH designate in the QOB225VH1021 catalog number?

The VH indicates a high interrupting rating. This breaker is rated for 22,000 Amps Interrupting Capacity (22 kAIC) at 120/240 VAC, which is higher than the 10 kAIC rating found on standard QOB breakers.

What wire sizes and materials are accepted by the terminals on this breaker?

The pressure plate terminals on the QOB225VH1021 accept 14 AWG to 8 AWG wire. The terminals are rated for use with both copper and aluminum conductors.

Can I install the QOB225VH1021 in a standard residential QO load center?

No. The QOB series features a bolt-on connection designed specifically for commercial and industrial NQ and NQOD panelboards. Standard residential QO load centers require plug-on breakers.

How is the QOB225VH1021 secured to the panelboard bus?

This breaker uses a bolt-on connection. It fastens directly to the bus bars of NQ or NQOD panelboards using screws, providing a secure, vibration-resistant connection suitable for commercial and industrial environments.

How does the thermal-magnetic trip mechanism operate in this breaker?

The thermal-magnetic trip unit provides two types of protection. The thermal component protects against sustained overloads, while the magnetic component trips the breaker immediately in the event of a severe short circuit.

Does this breaker include a Visi-Trip indicator?

Yes. Like most Square D QO and QOB breakers, it features a Visi-Trip indicator. When the breaker trips, a highly visible red indicator appears in the window, making it easy to identify the tripped circuit in a crowded panelboard.

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Reviews

4.9
Rated 4.9 out of 5 stars
Based on 205 reviews
Reviews Summary
Customers say these electrical breakers arrive exactly as ordered and work perfectly for their intended applications. They consistently praise the competitive pricing, which many report is significantly lower than local suppliers. Fast shipping and prompt delivery are frequently highlighted, with many receiving orders within days or even next-day delivery for urgent needs. The breakers arrive well-packaged and in excellent condition. Many reviews emphasize the company's extensive inventory availability, particularly for hard-to-find breakers. One customer experienced difficulty with order cancellation and was charged a restocking fee, which caused dissatisfaction.
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205 reviews
  • BL
    BOOSTIX L.
    Verified Buyer
    Reviewing
    Square D QOB220 - 20A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/17/26
    QOB220

    That's nice breakers!

    Was this helpful?
  • PH
    Paul H.
    Verified Buyer
    Reviewing
    Square D QOB330 - 30A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/5/26
    Quick shipping and delivery

    Shipped and delivered on time for installation at one of our projects. Thank you!

    Was this helpful?
  • RM
    Rick M.
    Verified Buyer
    Reviewing
    Square D QOB220 - 20A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/3/26
    Project Mgr

    Just what I needed.

    Was this helpful?
  • DH
    Doug H.
    Verified Buyer
    Reviewing
    Square D QOB220 - 20A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/3/26
    Square D QOB breakers

    As always, our order arrived timely, and accurate. You can’t beat their prices that’s why we have used this company for years.

    Was this helpful?
  • RK
    Ryan K.
    Verified Buyer
    Reviewing
    Square D QOB230VH - 30A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/1/26
    Awesome

    Worked great

    Was this helpful?