Federal Pacific 3P25 NA325 - 25A 3 Pole Molded Case Circuit Breaker
- 25A
- 3 Pole
- Plug-On
Quantity
Federal Pacific NA325 - 25A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Finding the right fit for discontinued panelboards is essential, and this 25-amp Federal Pacific breaker offers an exact match. It connects into classic Stab-Lok load centers used in commercial and industrial facilities without requiring specialized hardware. As a trusted replacement for the UBIF325N, this three-pole component ensures your legacy infrastructure remains compliant and functional. It delivers a standard 10kAIC interrupting capacity at 240VAC with a reliable common trip function.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | 3P25 |
| Series | NA |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Stab-Lok Load Centers |
| Wire Gauge | 14-2 AWG (Cu/Al) |
| Max Wire | 2 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489, CSA C22.2 No. 5 |
|---|---|
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Common Trip |
Product FAQs
7 answersWhat load centers are compatible with the 3P25 circuit breaker?
This breaker is designed exclusively for use in Federal Pacific Stab-Lok load centers. It will not fit standard plug-on panels from other manufacturers.
Can I install this 3-pole breaker in a standard residential single-phase panel?
No. The 3P25 is a 3-phase breaker that requires three spaces on the busbar. It is intended for 3-phase Stab-Lok load centers, which are typically found in commercial applications rather than standard single-phase residential panels.
How does the NA325 connect to the panel busbar?
It uses a plug-in connection specific to the Stab-Lok design. The breaker presses directly onto the panel bus stabs without the need for mounting bolts.
What original Federal Pacific part number does the 3P25 replace?
The 3P25 is a direct replacement for the original Federal Pacific NA325 Stab-Lok circuit breaker.
Are there specific safety considerations when working with Stab-Lok panels?
Yes. Original FPE Stab-Lok panels have a documented history of safety concerns. When installing replacement breakers, a licensed electrician should thoroughly inspect the panel busbar for signs of arcing, pitting, or heat damage before proceeding.
What does the LI trip function indicate on this breaker?
The LI designation means the breaker provides Long-Time and Instantaneous trip functions. The thermal component protects against sustained overloads, while the magnetic component trips immediately during a short circuit.
Is the 10kAIC rating sufficient for commercial applications?
A 10kAIC interrupting rating is standard for many legacy applications, but you must verify the available fault current at the panel. If the available fault current exceeds 10,000 amps, this breaker cannot be safely installed.
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