Delivering robust protection, the NP632100 is a 3-pole, 1000A molded case circuit breaker from Federal Pacific. It provides essential long-time and instantaneous (LI) trip functions. This manually operated unit mounts into legacy FPE distribution panels and switchgear. Utilizing a busbar connection, it serves as a replacement to keep existing infrastructure operational without retrofitting. Rated 85 kAIC at 480VAC, it includes an interchangeable thermal-magnetic trip unit for flexibility.
What type of panels are compatible with the Federal Pacific NP632100?
This breaker is specifically designed for legacy Federal Pacific switchgear and FPE distribution panels that accommodate N-frame molded case circuit breakers.
How does the NP632100 connect to the panel bus?
It utilizes a bolt-on busbar connection. The breaker terminals must be physically bolted to the panel busbars, requiring the panel to be completely de-energized during installation.
Are the trip settings on the NP632100 adjustable?
The thermal-magnetic trip unit features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Is the Federal Pacific NP632100 still in active production?
Federal Pacific Electric (FPE) is no longer manufacturing new equipment. The NP632100 is considered a legacy breaker, so exact replacements are sourced to maintain existing FPE switchgear without requiring a complete panel retrofit.
What should be verified before installing the NP632100 in an existing FPE panel?
Ensure the panel is fully de-energized. You must also verify that the system available fault current does not exceed the 85kAIC rating at 480V and that the busbar spacing matches the NP frame dimensions.
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