Rated for 200 amps, this thermal-magnetic MCCB integrates current-limiting fuses to safely handle high fault currents in commercial facilities. It is specifically designed to mount into older Federal Pacific switchgear, offering a straightforward replacement solution for discontinued systems. By leveraging the proven Fusematic design, it achieves a 150 kAIC rating at 480V and features an adjustable magnetic trip to fine-tune protection for critical downstream loads.
Current Limiting, Fusematic, Internal Fuses, Non-Interchangeable Trip
Special Features
Current Limiting (Integrally Fused)
Product FAQs
6 answers
What equipment is the XJL434200 designed to fit?
This breaker is specifically designed to mount into legacy Federal Pacific switchgear and panelboards, providing a direct replacement for discontinued X-frame systems.
How does the adjustable magnetic trip function work on this breaker?
The adjustable magnetic trip allows you to fine-tune the instantaneous short-circuit protection threshold for critical downstream loads, while the thermal overload protection remains fixed at 200A.
What does the current limiting designation mean for the XJL434200?
As a current limiting breaker, it utilizes the Federal Pacific Fusematic design with internal fuses to safely handle high fault currents. This allows it to clear faults quickly and reduce thermal and magnetic stress on downstream equipment.
Can I change the thermal trip rating on the XJL434200?
No, the thermal trip is fixed at 200A. Only the magnetic instantaneous trip function is adjustable on this specific model.
How is the XJL434200 installed in Federal Pacific equipment?
It utilizes a bolt-on connection to secure directly to the busbar, ensuring a stable and reliable connection in industrial switchgear environments, and features standard lug terminals for the load wiring.
What does the LI trip function code mean on the XJL434200?
The LI designation indicates that the breaker provides Long-Time (L) and Instantaneous (I) trip functions. The Long-Time function protects against sustained overloads, while the Instantaneous function protects against short circuits.
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