Built for heavy-duty power distribution, the Square D HJL26060 is a 60A, 2-pole PowerPacT H-Frame molded case circuit breaker. This unit mount breaker is compatible with Square D control panels, switchboards, and enclosures. It functions as a main in NQ or NF panelboards and replaces legacy FAL26060 F-Frame breakers (retrofit required). Featuring a 65kAIC rating at 480VAC, the current-limiting design minimizes fault damage. It includes a Visi-Trip indicator and reverse feed capability.
What types of panels and equipment are compatible with the HJL26060?
This breaker is designed for use in Square D industrial control panels, switchboards, and standalone enclosures. It can also be installed as a main breaker in NQ and NF panelboards.
Is the HJL26060 an I-Line or unit-mount circuit breaker?
It is a unit-mount breaker. It comes with mechanical lugs on both the line and load sides for feed-thru wiring, unlike I-Line models which plug directly into a panelboard busbar.
What is the difference between the HJL26060 and the HDL26060?
Both are 60A, 2-pole, unit-mount PowerPacT H-frame breakers, but they have different interrupting capacities. The HJL26060 features a J-interrupting rating for higher fault currents, while the HDL26060 has a standard D-interrupting rating.
How does the HJL26060 differ from the HJA26060?
The difference is the mounting configuration. The HJL26060 is a unit-mount breaker with lugs on both ends. The HJA26060 is an I-Line breaker designed to plug directly into an I-Line distribution bus on the line side.
What wire sizes are accepted by the standard lugs on this breaker?
The factory-installed AL150HD mechanical lugs accept wire sizes ranging from 14 AWG to 3/0 AWG. They are dual-rated for both aluminum and copper conductors.
What is the required tightening torque for the standard lugs?
The AL150HD mechanical lugs on this breaker require a tightening torque of 44.25 lb-in (5 N-m) to ensure a secure and code-compliant connection.
Can the HJL26060 be reverse fed?
Yes. Because it uses a fixed thermal-magnetic trip unit without communication or ground-fault electronics, its feed-thru design is suitable for reverse-fed applications.
What protection functions are included in the LI trip unit?
The LI designation means the thermal-magnetic trip unit provides Long-Time (L) protection against overloads and Instantaneous (I) protection against short circuits. Both the thermal and magnetic trip points are fixed on this model.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Square D HJL36040 - 40A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
4/9/26
Great Customer Service
Working with Superbreakers the team is so helpful. They answer the phone and are very accommodating. We had an issue with the refurbished breaker not working out and they helped get a new one out right away.