Built for commercial and industrial power distribution, the JDL36225LC is a 225A molded case circuit breaker from Schneider Electric. It delivers dependable thermal-magnetic protection for heavy-duty systems. This unit mount breaker integrates into Square D switchboards and motor control centers. It includes factory-installed copper lugs that accept 2/0 AWG to 300 kcmil copper wire. Rated for 18 kAIC at 480VAC, it features adjustable magnetic trip settings and a Visi-Trip indicator.
What does the "LC" suffix mean on the JDL36225LC circuit breaker?
The "LC" suffix indicates that this breaker is factory-equipped with copper mechanical lugs on both the line and load sides. These lugs are rated strictly for copper wire.
Can I use aluminum wire with the JDL36225LC?
No. Because this breaker includes the "LC" suffix for copper-only lugs, you must use copper conductors sized between 2/0 AWG and 300 kcmil. If you need to use aluminum wire, you will need to replace the lugs with standard aluminum/copper (Al/Cu) lugs.
How is the JDL36225LC mounted in a panel?
This is a unit-mount circuit breaker, meaning it fastens directly to a backplate or enclosure using mounting screws. It is not compatible with I-Line plug-on panelboards.
Can I mount the JDL36225LC on a DIN rail?
Yes, this J-Frame breaker can be DIN rail mounted, but it requires a separate DIN rail mounting bracket accessory, catalog number S29305.
Are the trip settings adjustable on the JDL36225LC?
This thermal-magnetic breaker features a fixed long-time (thermal) trip for overload protection and an adjustable instantaneous (magnetic) trip for short-circuit protection.
How can I manually test the mechanical operation of the JDL36225LC?
You can manually test the breaker's tripping mechanism by pressing the integral push-to-trip button located on the front cover. This will trip the breaker and allow you to verify the mechanical linkage is functioning properly.
Can the JDL36225LC be reverse fed?
Yes, standard PowerPacT J-Frame thermal-magnetic circuit breakers with factory-sealed trip units are suitable for reverse connection, allowing you to wire the line and load to either end.
Can I add internal accessories like a shunt trip to the JDL36225LC?
Yes, PowerPacT J-Frame circuit breakers can be fitted with field-installable internal accessories, such as shunt trips, undervoltage releases, and auxiliary switches. These are installed in the accessory compartments behind the front cover.
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