Federal Pacific NFS315 Molded Case Circuit Breaker
- 15A
- 2 Pole
- Plug-On
Federal Pacific
NFS315
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NFS315
Quantity
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Federal Pacific NFS315 - 15A 2 Pole Molded Case Circuit Breaker
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15A 2 Pole Molded Case Circuit Breaker
15A 2 Pole Molded Case Circuit Breaker
Description
Engineered specifically for obsolete electrical systems, this 15-amp molded case circuit breaker ensures continued operation of commercial facilities. The stab-in configuration connects securely into Federal Pacific NFS panelboards, providing a safe and exact replacement solution for aging infrastructure. Delivering standard long-time and instantaneous trip functions, it carries an 18kAIC interrupting rating at 240VAC to handle typical fault currents in legacy distribution networks.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NFS315-R |
| Series | NFS |
| Amperage | 15A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 18kA @ 240VAC |
| Frame Type | NFS |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific NFS Panelboards |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
7 answersWhich panelboards are compatible with the Federal Pacific NFS315?
This breaker is designed exclusively for use in legacy Federal Pacific NFS panelboards.
How does the NFS315 mount into the panelboard?
It features a plug-in connection type, allowing it to stab directly into the busbar of compatible NFS panelboards without the need for bolt-on hardware.
What wire sizes are accepted by the lugs on this breaker?
The terminals accommodate wire sizes ranging from 14 AWG to 10 AWG.
Is the trip unit on the NFS315 adjustable?
No, it features a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous trip settings cannot be modified in the field.
What does the 18kAIC rating indicate for this breaker?
The 18kAIC interrupting rating means this breaker can safely interrupt fault currents up to 18,000 amps at 240V AC without sustaining internal damage.
Are there direct modern replacements for the Federal Pacific NFS315?
Because Federal Pacific Electric is no longer in business, there are no direct modern equivalents manufactured today. You must use a legacy NFS frame breaker to fit existing NFS panelboards.
Is the NFS315 part of the Federal Pacific Stab-Lok line?
No, the NFS315 is an N-frame commercial molded case circuit breaker, which is a different design from the residential Stab-Lok series.
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