Serving heavy-duty distribution networks, this 200A PowerPacT J-Frame breaker offers advanced current-limiting capabilities. It utilizes a thermal-magnetic mechanism for demanding loads. Designed for unit-mount installations, it fits Square D NF and NQ panelboards and industrial control panels. Standard lugs accommodate 3/0 AWG to 350 kcmil wiring. With an impressive 100 kAIC rating at 480V, it provides superior short-circuit defense. The HACR-rated construction includes a visual trip indicator.
Which Square D panelboards are compatible with the JLL36200?
This unit-mount breaker is designed for use in Square D NQ and NF panelboards, as well as QED switchboards, industrial control panels, and motor control centers. It requires appropriate mounting hardware or enclosures for unit-mount installations.
What type of wire connections are standard on the JLL36200?
This breaker comes with factory-installed lugs on both the line and load sides. These lugs accept 3/0 AWG to 350 kcmil wire and are rated for both aluminum and copper conductors.
What does the L interrupting tier signify in the JLL36200 catalog number?
In the PowerPacT J-Frame nomenclature, the L designates a very high interrupting capacity. This specific model provides 125kA at 240VAC, 100kA at 480VAC, and 50kA at 600VAC, making it suitable for systems with high available fault currents.
How does the adjustable magnetic trip function work on this breaker?
The JLL36200 features a thermal-magnetic trip unit with a fixed thermal setting for overload protection and an adjustable magnetic setting. The adjustable magnetic trip allows electricians to fine-tune the instantaneous short-circuit response to match specific load requirements and coordination studies.
What internal accessories are compatible with the JLL36200?
As part of the PowerPacT J-Frame family, this breaker accepts standard field-installable internal accessories, including auxiliary switches, alarm switches, undervoltage releases, and shunt trips designed for J-Frame units.
How does the unit-mount design of the JLL36200 differ from I-Line breakers?
Unit-mount breakers like the JLL36200 are designed to be bolted directly to a backpan or mounting surface and wired via lugs. In contrast, I-Line breakers plug directly into a specialized busbar system found in I-Line panelboards.
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