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Square D HGA261254 Molded Case Circuit Breaker
- 125A
- 2 Pole
- I-Line
Square D
HGA261254
Molded Case Circuit Breaker
Brand
Square D
SKU
HGA261254
Quantity
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Square D HGA261254 - 125A 2 Pole Molded Case Circuit Breaker
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Description
Designed for heavy-duty power distribution, this 125A molded case circuit breaker is part of the Square D PowerPacT H-Frame series. It is configured with a BC phase connection and is 80% rated. The breaker installs into Square D I-Line panelboards and serves as a direct replacement for legacy KA26125BC and KH26125BC models. Delivering 35 kAIC at 480VAC, the thermal-magnetic trip mechanism ensures rapid response to overcurrents. It also features a visual trip indicator and HACR certification.Specifications
| Brand | Square D |
|---|---|
| Part Number | HGA261254 |
| Series | HGA |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | HGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 14 AWG - 3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | BC Phase Connection |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, 80% Rated, Non-Interchangeable Trip, Phase Connection BC |
Product FAQs
9 answersWhat panels are compatible with the HGA261254 circuit breaker?
This breaker is designed for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection on the line side.
What is the phase connection for the HGA261254 breaker?
The HGA261254 is configured for a BC phase connection. It is a 2-pole breaker that mounts directly onto the B and C phases of an I-Line bus.
What do the last digits in the HGA261254 catalog number indicate?
The "4" at the end of the catalog number indicates a BC phase connection for I-Line mounting. Other common 2-pole variants include the HGA261251 (AB phase) and HGA261252 (AC phase).
What wire sizes are accepted by the load lugs on this breaker?
The load-side lugs accept 14 AWG to 3/0 AWG aluminum or copper wire.
What does the "G" in the HGA261254 catalog number signify?
The "G" indicates the breaker's interrupting rating tier within the PowerPacT H-Frame series. It provides a standard breaking capacity of 65 kA at 240V AC, 35 kA at 480V AC, and 18 kA at 600V AC.
Does the HGA261254 feature a push-to-trip button?
Yes, like all PowerPacT H-Frame circuit breakers, it includes an integral push-to-trip button on the cover. This allows you to manually trip the breaker to verify the mechanical operation of the trip mechanism.
Is this breaker rated for continuous current at 100% or 80%?
The HGA261254 is a standard 80% rated circuit breaker, meaning it is rated for continuous operation at 80% of its 125A capacity.
How does the HGA261254 connect to the electrical system?
It utilizes an I-Line style plug-in connection on the line side for quick installation into I-Line panelboards, and mechanical lugs on the load side for wire terminations.
What are the magnetic trip settings for the HGA261254?
This thermal-magnetic breaker has a fixed magnetic hold current of 900A and a magnetic trip current of 1700A.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 14 reviews.
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Rating
14 reviews
- RERic E.Verified BuyerReviewingSquare D HGA36150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/18/26Great item
Breaker was in great shape, and packaged with care
- CFCameron F.Verified BuyerReviewingSquare D HGA36050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/29/25HGA36050
Thank you, guys, for being SUPER quick with all your deliveries.
- CWCallie W.ReviewingSquare D HGA36020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/28/22Great company
Have made multiple orders through them and they always ship out fast and the correct items. Will continue to do business with them.
- JMJustin M.ReviewingSquare D HGA36150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/8/22Great service!
Prompt shipping.
- SMSteven M.ReviewingSquare D HGA36050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/11/22Great service
I need the 2 breakers NDA, but they had one in stock, and had to get the other from there supplier. Some how I received both breaker the next day and got the job done. GREAT SERVICE!!