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Square D QDA221101 Molded Case Circuit Breaker

  • 110A
  • 2 Pole
  • I-Line
Square D QDA221101
Molded Case Circuit Breaker
Brand Square D
SKU QDA221101
Select Item Condition
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  • 110A
  • 2 Pole
  • I-Line

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Square D QDA221101 - 110A 2 Pole Molded Case Circuit Breaker

Square D QDA221101 - 110A 2 Pole Molded Case Circuit Breaker

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$970.48 In Stock

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Description

Built for industrial applications, the QDA221101 is a 110A, 240VAC molded case circuit breaker. It utilizes thermal-magnetic technology to deliver reliable long-time and instantaneous (LI) protection. This Q-Frame breaker mounts into Square D I-Line panelboards using a specialized AB phase connection. It serves as a direct cross-reference for the discontinued Q221101. The unit boasts a 25kAIC rating at 240V and includes the Visi-Trip visual indicator to easily spot a tripped condition.

Specifications

Key specifications
Brand Square D
Part Number QDA221101
Series QDA
Amperage 110A
Poles 2
Mounting Style I-Line
Voltage 208Y/120VAC, 240VAC
Phase 1
AIC Rating 25kA @ 208Y/120VAC, 25kA @ 240VAC
Fit and installation
Frame Type Q
Terminal Type Lugs
For Use With Square D I-Line Panelboards
Wire Gauge 4 AWG - 300 kcmil (Al/Cu)
Max Wire 300 kcmil
Min Wire 4 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489
Approval CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Common Trip

Product FAQs

6 answers
What does the "1" suffix in the QDA221101 catalog number signify?

The "1" at the end of the part number indicates that this 2-pole breaker is configured with an AB phase connection for the I-Line bus.

How much bus space does the QDA221101 require in an I-Line panelboard?

This 2-pole PowerPacT Q-frame circuit breaker requires 3 inches of mounting space on the I-Line bus.

What legacy circuit breaker does the QDA221101 replace?

The QDA221101 is the direct cross-reference and replacement for the discontinued Square D Q221101 circuit breaker.

Is the QDA221101 suitable for HVAC applications?

Yes, this circuit breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment.

Can this breaker be used in standard QO or NQ load centers?

No, the QDA221101 features an I-Line style plug-in connection and is exclusively compatible with Square D I-Line panelboards and switchboards.

How can I visually identify if the QDA221101 has tripped?

This breaker features the Square D Visi-Trip indicator, which displays a highly visible red flag in the window when the breaker is in a tripped state.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 6 reviews
Total 5 star reviews: 6 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
6 reviews
  • CB
    Carl B.
    Verified Buyer
    Reviewing
    Square D QDA32125 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/11/26
    Sq. D I-line

    Price was fair for these New Breakers. More importantly, is the avaiability and not having to deal with long lead times

  • CS
    Claus S.
    Verified Buyer
    Reviewing
    Square D QDA32100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/3/26
    100A 3 phase Breaker

    Priced right and shipping was really Quick. I will use them again!!

  • CG
    Chase G.
    Flag of United States
    Reviewing
    Square D QDA32150 - 150A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/16/22
    Always have what I need

    5 stars Super Breaker always has what I need, and at a good price.

  • CG
    Christopher G.
    Flag of United States
    Reviewing
    Square D QDA32100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/11/21
    speedy service. great quality

    speedy service. great quality

  • RS
    Randy S.
    Flag of United States
    Reviewing
    Square D QDA32225 - 225A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/11/19
    Super

    Quick Shipping and great price