Engineered for commercial power systems, the Square D HJL26030 is a 30A, 2-pole molded case circuit breaker in the PowerPacT H-Frame series. Designed with a unit-mount configuration, it installs into switchboards, panelboards, and industrial control panels. This model is an ideal upgrade or replacement for older FCL26030 units. The breaker utilizes a fixed thermal-magnetic trip mechanism (LI). It boasts a 65kAIC capacity at 480VAC and includes a Visi-Trip indicator.
What does the "J" in the HJL26030 catalog number signify?
The "J" indicates the interrupting rating tier within the PowerPacT H-Frame series. It provides a 65kA interrupting capacity at 480VAC, which is higher than the D (18kA) and G (35kA) tiers.
What type of lugs are included with the HJL26030 breaker?
This unit-mount breaker comes standard with AL150HD mechanical lugs on both the line and load sides. These lugs accept 14 AWG to 3/0 AWG aluminum or copper wire.
Can the HJL26030 be reverse fed?
Yes, standard unit-mount PowerPacT H-Frame circuit breakers with fixed thermal-magnetic trip units can be reverse fed.
Can I install the HJL26030 in an I-Line panelboard?
No, the HJL26030 is a unit-mount breaker designed for feed-thru applications with lugs on both ends. For an I-Line panelboard, you need an I-Line version, such as the HJA26030, which features plug-on brackets on the line side.
Does the HJL26030 feature a push-to-trip mechanism?
Yes, all PowerPacT circuit breakers include an integral push-to-trip button on the cover. This allows you to manually trip the breaker to verify the mechanical operation of the tripping mechanism.
Is the HJL26030 a direct replacement for older FCL26030 breakers?
Yes, the PowerPacT H-Frame series, including the HJL26030, is the modern upgrade and replacement for legacy F-Frame FCL26030 breakers, though mounting dimensions and accessories may differ.
What is the difference between the HJL26030 and the HDL26030?
The difference is the interrupting rating. The HJL26030 has a J-tier rating (65kA at 480VAC), while the HDL26030 has a D-tier rating (18kA at 480VAC). Both share the same physical dimensions and 30A trip rating.
Are the thermal and magnetic trip settings adjustable on the HJL26030?
No, the HJL26030 features a fixed thermal and fixed magnetic trip unit. If you require adjustable trip settings, you would need a breaker equipped with a MicroLogic electronic trip unit.
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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.