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Federal Pacific NES2320 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Plug-On
Federal Pacific
NES2320
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NES2320
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Federal Pacific NES2320 - 20A 3 Pole Molded Case Circuit Breaker
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Description
Maintaining legacy electrical infrastructure demands precise component matching, which this 20-amp, three-phase unit provides for commercial facilities. The plug-on mounting style ensures seamless integration into Federal Pacific NE-S frame panelboards. Facility managers can utilize this component as a drop-in solution for aging distribution systems. Built with fixed thermal-magnetic trip elements, it handles 18kA fault currents at 240VAC while supporting reverse feed applications.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NES2320-R |
| Series | NES |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 5kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NE-S Frame 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 |
| Available Options | Shunt Trip, Undervoltage Release, Bell Alarm |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB 1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Reverse Feed |
Product FAQs
6 answersWhich panelboards are compatible with the NES2320 circuit breaker?
This plug-in breaker is engineered exclusively for legacy Federal Pacific NE-S frame panelboards. It is not interchangeable with standard Stab-Lok residential load centers.
What are the wire size requirements for the NES2320 terminals?
The load-side lugs accept wire gauges from 14 AWG to 10 AWG. Installers must verify that the selected wire size matches the 20-amp circuit rating and complies with local electrical codes.
What does the LI trip function on the NES2320 indicate?
The LI designation means the thermal-magnetic trip unit includes fixed Long-Time and Instantaneous protection. The long-time element prevents damage from sustained overloads, while the instantaneous element trips immediately during a short circuit.
Can the NES2320 be utilized in DC power applications?
Yes, while primarily used in 240VAC commercial systems, this breaker is also rated for 250VDC applications with a 5kAIC interrupting capacity.
Does the NES2320 require mounting hardware to install?
No, this is a plug-on molded case circuit breaker. It connects directly to the busbars of an NE-S frame panelboard without the need for separate bolt-on brackets or adapters.
Are there modern cross-references for the Federal Pacific NES2320?
Because Federal Pacific Electric is no longer manufacturing new equipment, exact replacements for the NE-S frame require sourcing legacy NES2320 breakers. Standard modern breakers will not fit the proprietary NE-S busbar configuration.
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