Engineered for industrial applications, the Square D HLA36015 is a 3-pole, 15A molded case circuit breaker from the PowerPacT H-Frame family. It provides robust long-time and instantaneous (LI) trip functions. This unit utilizes an I-Line plug-on mounting style, allowing for quick installation into compatible Square D I-Line panelboards and switchboards. Rated for 100 kAIC at 480VAC, this current-limiting breaker ensures superior fault clearing and features a Visi-Trip indicator.
CSA C22.2 No. 5, HACR, 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, Reverse Feed, Non-Interchangeable Trip
Product FAQs
6 answers
Which panelboards are compatible with the HLA36015 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and I-Line switchboards. It features a specialized plug-on jaw design that will not fit standard QO, NQ, or NF series panels.
What does the 'L' in the HLA36015 part number indicate?
In the Square D PowerPacT nomenclature, the 'L' designates the interrupting rating tier. For this H-frame breaker, it indicates a high interrupting capacity of 125kA at 240VAC and 100kA at 480VAC.
How does the I-Line plug-in connection mount to the bus?
The breaker features plug-on jaws that engage directly with the I-Line bus stack. It is secured in place using a mounting bracket and captive screw, allowing for rapid installation without requiring individual phase wiring on the line side.
Are the thermal and magnetic trip settings adjustable on this model?
No, the HLA36015 features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection without adjustable dials for the trip curve.
What type of wire can be used with the lugs on this breaker?
The factory-installed lugs accept either aluminum or copper conductors ranging from 14 AWG to 3/0 AWG. Always verify proper torque specifications printed on the breaker faceplate during installation.
Is the HLA36015 part of the PowerPacT family?
Yes, this breaker belongs to the Schneider Electric and Square D PowerPacT H-frame family of molded case circuit breakers.
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