Engineered for heavy industrial applications, the Federal Pacific NP632160SP3 delivers reliable thermal-magnetic protection for high-capacity circuits. This 1600A, 3-pole molded case circuit breaker features an interchangeable trip unit with fixed thermal and adjustable magnetic settings. It installs into legacy Federal Pacific switchgear and FPE distribution panels. As an exact replacement component, it allows facilities to maintain existing infrastructure.
What equipment is the Federal Pacific NP632160SP3 compatible with?
This NP frame breaker is a direct replacement component for legacy Federal Pacific switchgear and FPE distribution panels requiring a 1600A bolt-on connection.
How is the NP632160SP3 secured within the switchgear?
It mounts using a bolt-on busbar connection. This ensures a high-torque, secure mechanical and electrical connection suitable for handling 1600A industrial loads.
What does the LI trip function code mean on this FPE breaker?
The LI designation indicates the thermal-magnetic trip unit provides Long-Time and Instantaneous protection. It features a fixed thermal element for overload conditions and an adjustable magnetic element for short-circuit protection.
Why is the NP632160SP3 considered a legacy breaker?
Federal Pacific Electric is no longer manufacturing new equipment. This breaker is sourced specifically to maintain and service existing FPE industrial panels without requiring a complete system retrofit.
Is this NP frame breaker suitable for residential applications?
No. The NP632160SP3 is a heavy-duty industrial molded case circuit breaker. It is not compatible with residential Stab-Lok load centers and is strictly for commercial or industrial switchgear.
Does the NP632160SP3 include ground fault equipment protection?
No. The trip unit on this specific model only includes long-time and instantaneous (LI) functions. It does not have built-in ground fault capabilities.
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