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Federal Pacific NES2350 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Plug-On
Federal Pacific
NES2350
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NES2350
Quantity
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Federal Pacific NES2350 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy N-Frame series, the Federal Pacific NES2350 is a 50A, three-pole molded case circuit breaker built for commercial power distribution. It serves as an exact replacement component for older NE-S frame panelboards, eliminating the need for complex retrofits or adapters. The breaker utilizes a stab-type plug-on connection for straightforward installation. Rated at 18kAIC at 240VAC, it features fixed thermal-magnetic trip units and is fully HACR rated for motor loads.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NES2350-R |
| Series | NES |
| Amperage | 50A |
| 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 | 14-6 AWG |
| Max Wire | 6 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 | Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB 1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards accept the Federal Pacific NES2350 circuit breaker?
This 3-pole breaker is engineered specifically for legacy Federal Pacific NE-S frame panelboards. Its plug-on design allows facility managers to maintain older commercial infrastructure without needing complex retrofits or aftermarket mounting adapters.
How does the NES2350 connect to the panelboard bus?
It utilizes a stab-type plug-in connection. This allows the breaker to securely snap into the existing bus structure of Federal Pacific NE-S chassis configurations without the need for bolt-on hardware.
Is the NES2350 a direct replacement for aging N-Frame breakers?
Yes, it serves as an exact legacy replacement for 50A, 3-pole N-Frame breakers used in Federal Pacific NE-S enclosures. Using this exact match bypasses the complexity of retrofitting older commercial distribution systems.
Can the Federal Pacific NES2350 be used in DC power systems?
Yes, in addition to its standard 240VAC rating, this thermal-magnetic breaker is rated for 250VDC applications, providing a 5kAIC interrupting capacity for direct current loads.
What type of wire connections does the NES2350 support?
The breaker comes equipped with standard load-side lugs that accept wire gauges from 14 AWG up to 6 AWG. Ensure you torque the lugs to the manufacturer specifications when installing in your NE-S panelboard.
Are the trip settings on the NES2350 adjustable?
No, this breaker features fixed thermal and fixed magnetic trip elements. The long-time and instantaneous (LI) trip functions are factory set for 50A and cannot be adjusted in the field.
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