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Federal Pacific NEJ233175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
Federal Pacific
NEJ233175
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NEJ233175
Quantity
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Federal Pacific NEJ233175 - 175A 3 Pole Molded Case Circuit Breaker
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Description
Engineered to support existing infrastructure, the Federal Pacific NEJ233175 is a 175A, 3-pole molded case circuit breaker. It provides a straightforward solution for commercial and industrial facilities maintaining older electrical distribution systems. Designed for exact compatibility, this bolt-on breaker installs seamlessly into original FPE panelboards. It replaces obsolete N-frame units, allowing you to bypass complicated adapter kits. It delivers 10kAIC interrupting capacity at 240VAC.Specifications
| Brand | Federal Pacific |
|---|---|
| Series | NEJ |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | NEJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 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 |
|---|---|
| Accessories | Load Side Lugs |
| 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 NEJ233175 circuit breaker?
The NEJ233175 is designed for use in legacy Federal Pacific Electric (FPE) panelboards and switchboards, such as the CDP and BDP series, that accept N-frame bolt-on circuit breakers.
How does the NEJ233175 connect to the panelboard bus?
This breaker features a bolt-on connection type, requiring mounting hardware to secure it directly to the panelboard bus. It does not use a plug-on or Stab-Lok connection.
What are the wire size requirements for the NEJ233175 lugs?
The standard mechanical lugs on this breaker accommodate aluminum or copper conductors ranging from 4 AWG up to 300 kcmil. Always verify that your conductor size matches the 175-amp circuit requirements and follow proper torque specifications during installation.
Can the trip settings on the NEJ233175 be adjusted?
No, the NEJ233175 features a fixed thermal-magnetic trip unit. Both the long-time thermal overload protection and the instantaneous magnetic short-circuit protection are factory set and cannot be adjusted in the field.
Is the Federal Pacific NEJ233175 still actively manufactured?
No, original Federal Pacific Electric (FPE) circuit breakers are obsolete and no longer in active production. Replacements are sourced from legacy inventory to maintain existing commercial and industrial infrastructure.
Is the NEJ233175 a Stab-Lok circuit breaker?
No, the NEJ233175 is a commercial-grade, bolt-on molded case circuit breaker from the N-frame family. It is not part of the residential Stab-Lok series, which utilizes a completely different plug-on design.
Does the NEJ233175 require a specific mounting hardware kit?
Yes, installing this N-frame breaker in Federal Pacific panelboards typically requires a specific strap kit or mounting hardware assembly. For example, CDP panels generally use the NEJ1K kit, while BDP panels use the NEJ3K kit.
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