As part of the PowerPacT H-Frame family, the Square D HGL26030 is a 30A, 2-pole molded case circuit breaker. It is engineered to protect commercial and industrial electrical systems from overloads and short circuits. The unit mount configuration allows for straightforward installation into switchboards and industrial control panels. It is also an exact substitute for the older FHL26030 model. Equipped with a fixed thermal-magnetic trip unit, it delivers 35 kAIC interrupting capacity at 480VAC.
What is the standard lug kit included with the HGL26030, and what is the wire range?
The HGL26030 comes standard with AL150HD lugs on both the line and load sides. These lugs accept 14 AWG to 3/0 AWG aluminum or copper wire.
What are the tightening torque specifications for the lugs on this breaker?
For the standard AL150HD lugs, torque to 44.3 lb-in for 14 AWG to 10 AWG wire, and 123.9 lb-in for 8 AWG to 3/0 AWG wire.
Can the HGL26030 be reverse fed?
Yes. Standard unit mount PowerPacT H-frame circuit breakers with fixed thermal magnetic trip units, like the HGL26030, do not have line and load restrictions and can be reverse fed.
What does the G in the HGL26030 catalog number signify?
The G indicates the interrupting rating level for this PowerPacT H-frame breaker. It provides a maximum interrupting capacity of 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
What is the difference between the HGL26030 and the HDL26030?
The difference is the interrupting rating. The HGL26030 has a G rating (35kA at 480VAC), while the HDL26030 has a lower D rating (18kA at 480VAC). Both share the same physical dimensions and 30A trip rating.
Can I upgrade to a higher interrupting rating if the HGL26030 is insufficient?
Yes. If your application requires a higher fault current rating, you can use the HJL26030 (65kA at 480VAC) or the HLL26030 (100kA at 480VAC). They share the same H-frame footprint and mounting dimensions.
Is the HGL26030 rated for use in DC applications?
Yes, this thermal magnetic breaker is rated for DC systems. It provides a 20kA interrupting rating at both 250VDC and 500VDC.
What types of equipment is the HGL26030 designed to be installed in?
This unit mount breaker is designed for use in industrial control panels, switchboards, and standalone enclosures that accept PowerPacT H-frame breakers.
What does the L in the HGL26030 catalog number indicate about its terminations?
The L indicates that the breaker is factory equipped with mechanical lugs on both the line and load ends.
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