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Square D HGA261252 Molded Case Circuit Breaker
- 125A
- 2 Pole
- I-Line
Square D
HGA261252
Molded Case Circuit Breaker
Brand
Square D
SKU
HGA261252
Quantity
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Square D HGA261252 - 125A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the Square D HGA261252 delivers 125 amps of continuous current protection. This PowerPacT H-Frame breaker features an AC phase connection and is 80% rated. It mounts into Square D I-Line panelboards, providing a seamless upgrade path that replaces older KA26125AC and KH26125AC models. With a 35 kAIC rating at 480VAC, it offers robust current-limiting performance and includes a Visi-Trip indicator to easily spot tripped circuits.Specifications
| Brand | Square D |
|---|---|
| Part Number | HGA261252 |
| 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 | 14-3/0 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, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, 80% Rated |
Product FAQs
7 answersWhat type of panelboards accept the HGA261252 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.
Which bus phases does the HGA261252 connect to?
The 2 at the end of the catalog number indicates this 2-pole breaker is factory-configured for an A and C phase connection on the I-Line panelboard bus.
Can the PowerPacT HGA261252 replace older Square D breakers?
Yes, the PowerPacT H-frame is the direct replacement for legacy Square D F-frame circuit breakers, such as the FA and FH series, in I-Line panelboards. It occupies the same mounting space for a straightforward retrofit.
How is the HGA261252 connected during installation?
It utilizes an I-Line plug-in connection that seats directly onto the panelboard bus on the line side. The load side uses mechanical lugs to terminate the conductors.
What is the required torque for the load lugs on this breaker?
For the standard lugs accepting 14 to 3/0 AWG aluminum or copper wire, the tightening torque is 44.3 lb-in (5 N.m) for 14 to 10 AWG wire, and 124 lb-in (14 N.m) for 8 to 3/0 AWG wire.
What does the G in the HGA261252 part number signify?
The G indicates the breaker's interrupting rating tier within the PowerPacT H-frame series. It provides a maximum interrupting capacity of 65 kA at 240V AC, 35 kA at 480V AC, and 18 kA at 600V AC.
What type of trip unit is equipped on the HGA261252?
It features a thermal-magnetic trip unit providing Long-Time and Instantaneous (LI) protection. The instantaneous magnetic tripping current is factory-set at 1700A.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 15 reviews.
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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.