An exact replacement for aging industrial systems, this 1200A Compact NS molded case circuit breaker delivers extra-high interrupting capacity for Square D switchboards. The bolt-on NXP frame utilizes solid-state electronic trip technology, featuring an ARP100 rating plug and comprehensive LSIG protection. While this specific model has been superseded by the PLL36120U44A, it remains a critical component for maintaining existing infrastructure.
Extra High Interrupting Capacity, True RMS Sensing, Non-Interchangeable Trip
Product FAQs
7 answers
What wire sizes are accepted by the terminal lugs on this breaker?
The included lugs accept up to four conductors per phase, accommodating wire sizes ranging from 3/0 AWG to 500 kcmil.
What specific trip functions are available on the NXP361200GMT?
This breaker features an adjustable solid state electronic trip unit with LSIG capabilities. This provides configurable Long-Time, Short-Time, Instantaneous, and Ground Fault protection.
Is the electronic trip unit on this NXP breaker adjustable?
Yes, the solid state LSIG trip unit allows engineers to fine-tune the protection curve settings to precisely coordinate with downstream electrical devices.
Has the NXP361200GMT been replaced by a newer Square D model?
Yes. While the NXP frame is still maintained for existing infrastructure, it has been superseded by the PowerPacT PLL36120U44A breaker for new switchboard builds.
Which panel types are designed to accept this NXP frame breaker?
This bolt-on circuit breaker is engineered specifically for installation in Square D switchboards and properly rated industrial enclosures.
Does this circuit breaker provide equipment ground fault protection?
Yes, the G in the LSIG designation indicates that the electronic trip unit includes integral ground fault protection for equipment.
How does this molded case breaker physically connect to the electrical bus?
It utilizes a direct bolt-on mounting configuration for secure attachment to the switchboard bus, combined with standard mechanical lugs for the load-side wiring.
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