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Federal Pacific NEJ231175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
Federal Pacific
NEJ231175
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NEJ231175
Quantity
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Federal Pacific NEJ231175 - 175A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Description
Restoring power to aging industrial facilities requires exact-match components like this 175A thermal-magnetic breaker. It delivers long-time and instantaneous trip functions for three-phase 240VAC circuits. Designed specifically for Federal Pacific enclosures, the bolt-on connection ensures a tight fit. Facility managers can bypass complex retrofits by utilizing this N-frame footprint. Rated for 10kAIC, the unit includes load side lugs accepting up to 300 kcmil wire.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NEJ231175-R |
| Series | NEJ |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| 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, Undervoltage Release, Auxiliary Switch, Bell Alarm |
|---|---|
| Accessories | Load Side Lugs |
| Standards | NEMA AB 1, UL 489 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | Non-Interchangeable Trip, Reverse Feed |
Product FAQs
5 answersWhat panelboards are compatible with the NEJ231175?
This breaker is designed for use in legacy Federal Pacific panelboards that accept N-frame molded case circuit breakers.
How are the line and load connections configured on this breaker?
The NEJ231175 features a bolt-on line side connection that mounts directly to the panelboard bus, and it comes equipped with load side lug terminals that accept 4 AWG to 300 kcmil wire.
What protection functions does the thermal-magnetic trip unit provide?
The fixed thermal-magnetic trip unit delivers long-time and instantaneous (LI) overcurrent protection for three-phase circuits.
Are original Federal Pacific NEJ breakers still manufactured?
Federal Pacific is no longer in business, making original NEJ series breakers obsolete. These legacy N-frame breakers are sourced to maintain existing FPE switchgear and panelboards without requiring a complete system retrofit.
Can the NEJ231175 replace other Federal Pacific N-frame breakers?
Yes, it shares the standard N-frame footprint, allowing it to replace other NEJ series breakers with matching pole configurations and voltage requirements in FPE enclosures.
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