The Square D HGA260301 is a 30A molded case circuit breaker from the PowerPacT H-Frame family. Built for industrial power distribution, it provides reliable protection with fixed thermal-magnetic trip settings. Featuring an AB phase connection, it installs into Square D I-Line panelboards and switchboards. It serves as a replacement for legacy FA26030AB and FH26030AB breakers. Rated 35 kAIC at 480V, this current-limiting MCCB is HACR rated and accepts 14-3/0 AWG wire.
What does the "1" at the end of the HGA260301 catalog number indicate?
The "1" suffix indicates an AB phase connection for the I-Line plug-on jaws. Other suffixes are available for different phase arrangements, such as "2" for AC or "4" for BC.
What does the "G" in the HGA frame designation stand for?
The "G" indicates the interrupting rating tier for this PowerPacT H-Frame breaker. It provides 65 kAIC at 240VAC, 35 kAIC at 480VAC, and 18 kAIC at 600VAC.
What replacement lug kit is used for the load side of this breaker?
The standard load-side mechanical lug kit for this 30A H-Frame breaker is the AL150HD. It accepts 14 to 3/0 AWG aluminum or copper conductors.
Which panelboards are compatible with the HGA260301 circuit breaker?
This breaker is designed for use in Square D I-Line power distribution panelboards and switchboards. It features an I-Line plug-on connection for the line side and mechanical lugs on the load side.
Can the HGA260301 be used in DC power applications?
Yes, this thermal-magnetic breaker is rated for DC applications up to 500VDC, with an interrupting capacity of 20 kAIC at both 250VDC and 500VDC.
Can this breaker replace older Square D FA or FH series breakers?
Yes, the PowerPacT H-Frame HGA260301 is the direct modern replacement for legacy 30A, 2-pole FA and FH series I-Line breakers, such as the FA26030AB or FH26030AB.
How does the I-Line mounting system work on this breaker?
The breaker features plug-on jaws on the line side that press directly onto the I-Line busbar stack in the panelboard. The load side uses standard mechanical lugs for wire termination.
Does this breaker include a push-to-trip feature?
Yes, PowerPacT H-Frame breakers feature an integral push-to-trip button on the front cover. This allows you to manually trip the breaker to verify the mechanical operation of the trip mechanism.
What does the "LI" trip function code mean for this breaker?
The LI designation means the breaker provides Long-Time (L) thermal protection for overloads and Instantaneous (I) magnetic protection for short circuits. Both settings are fixed on this specific model.
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