Free Shipping Over $99
Square D HGA261251 Molded Case Circuit Breaker
- 125A
- 2 Pole
- I-Line
Square D
HGA261251
Molded Case Circuit Breaker
Brand
Square D
SKU
HGA261251
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D HGA261251 - 125A 2 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
150A 2 Pole Molded Case Circuit Breaker
150A 2 Pole Molded Case Circuit Breaker
100A 2 Pole Molded Case Circuit Breaker
Description
The HGA261251 is a 2-pole, 125A molded case circuit breaker from Square D's PowerPacT H-Frame family. Built for commercial power distribution, it provides reliable overcurrent protection with an AB phase connection. This unit installs into Square D I-Line panelboards and serves as a direct replacement for legacy KA26125 breakers. Rated for 35 kAIC at 480VAC, it utilizes thermal-magnetic trip technology and includes a Visi-Trip indicator for quick fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | HGA261251 |
| 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, 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 | Load Side Lugs Included, I-Line Bracket (Factory Installed) |
| 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, Phase Connection AB |
Product FAQs
6 answersWhat panelboards are compatible with the HGA261251 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards, including HCJ, HCM, HCP, and HCW series interiors. It mounts directly to the I-Line bus stack and will not fit standard NQ or NF panels.
How much bus space does this 2-pole H-Frame breaker require in an I-Line panel?
The HGA261251 requires 3 inches of bus space. Square D I-Line H-Frame breakers take up 1.5 inches per pole.
What does the "1" at the end of the HGA261251 part number indicate?
In Square D I-Line nomenclature, the trailing "1" specifies an AB phase connection. The plug-in jaws are factory-configured to connect to the A and B phases on the panelboard bus.
Is the HGA261251 rated for reverse-fed applications?
Yes, standard thermal-magnetic PowerPacT H-Frame breakers are suitable for reverse feeding.
What type of load-side lugs are included with this breaker?
The breaker comes with factory-installed AL150HD mechanical lugs on the load side, which accept 14 AWG to 3/0 AWG aluminum or copper conductors. The line side features the standard I-Line plug-in jaw connection.
Does this breaker include a push-to-trip feature?
Yes, all PowerPacT H-Frame breakers feature an integral push-to-trip button on the front cover. This allows electricians to manually trip the breaker to verify the mechanical operation of the trip mechanism during maintenance.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
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.
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
Review summary
Customers rate this product 4.9 out of 5 based on 15 reviews.
Search
Rating
15 reviews
- JWJoshua W.Verified BuyerReviewingSquare D HGA36090 - 90A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/14/26Just what I needed
The shipping was quick, and I received exactly what I needed.
- 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.