Delivering continuous power without derating, this 100% rated 225A J-Frame breaker is ideal for high-demand commercial and industrial applications. The unit-mount configuration allows for seamless integration into industrial control panels, switchboards, and motor control centers. Equipped with a dual-break rotary contact structure and adjustable magnetic trip, it provides superior current-limiting performance and a 65kAIC rating at 240VAC.
What does the "C" suffix indicate in the JGL36225C catalog number?
The "C" suffix indicates that this circuit breaker is 100% rated. This allows the breaker to carry its full 225A continuous current rating without the standard 80% derating, provided it is installed in an enclosure approved for 100% rated operation.
Is the Square D JGL36225C an I-Line or unit-mount circuit breaker?
The JGL36225C is a unit-mount circuit breaker, meaning it is designed to be bolted directly to a backpan or mounting surface and uses wire lugs on both the line and load sides. It is not compatible with I-Line panelboards, which require a plug-on jaw connection.
What is the standard lug kit for the JGL36225C, and what wire sizes does it accept?
The standard lug kit is the AL250JD. These lugs accept either aluminum or copper wire ranging from 3/0 AWG to 350 kcmil.
Can I adjust the trip settings on the JGL36225C?
This breaker features a thermal-magnetic trip unit with a fixed thermal (long-time) setting of 225A and an adjustable magnetic (instantaneous) trip setting. The instantaneous trip threshold can be adjusted between 1125A and 2250A to coordinate with downstream loads or avoid nuisance tripping.
What do the letters "JGL" represent in the Square D catalog number?
"J" indicates the PowerPacT J-Frame family. "G" specifies the interrupting rating of 35kA at 480VAC. "L" indicates that the breaker is unit-mounted with lugs on both the line and load ends.
Is the JGL36225C rated for direct current (DC) systems?
Yes, this breaker is rated for use in DC applications. It provides an interrupting capacity of 20kA at both 250VDC and 500VDC.
Can the JGL36225C be reverse fed?
Yes. Because this breaker uses a standard thermal-magnetic trip unit and does not have LINE and LOAD markings, it is suitable for reverse-feed applications.
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Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.