Federal Pacific NEJH233175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
Federal Pacific
NEJH233175
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NEJH233175
Quantity
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Federal Pacific NEJH233175 - 175A 3 Pole Molded Case Circuit Breaker
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Description
Designed for heavy commercial loads, the 175-amp NEJH-series breaker utilizes reliable thermal-magnetic trip technology. It provides essential overcurrent protection for three-phase 240VAC and 250VDC electrical networks. This unit integrates smoothly into vintage Federal Pacific NDP panelboards, eliminating the need for complex retrofits. It functions as an exact cross-reference for the UBINEJH233175, restoring power safely. Rated at 18kAIC at 240V, the design includes load side lugs.Specifications
| Brand | Federal Pacific |
|---|---|
| Series | NEJH |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific NDP 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, Undervoltage Release, Auxiliary Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards are compatible with the NEJH233175 breaker?
This N-frame breaker is specifically designed for installation in Federal Pacific NDP series panelboards.
Will this bolt-on breaker fit in a standard Federal Pacific Stab-Lok load center?
No. The NEJH series is an industrial N-frame breaker intended for NDP panelboards. It is not compatible with residential Stab-Lok enclosures.
Do the factory lugs on the NEJH233175 support aluminum wiring?
Yes, the standard lugs are dual-rated for both aluminum and copper conductors, accepting wire sizes from 4 AWG up to 300 kcmil.
Can the thermal or magnetic trip settings be adjusted on this model?
No, the NEJH233175 features fixed thermal and fixed magnetic trip elements. Neither the long-time nor the instantaneous trip functions can be field-adjusted.
Is this breaker suitable for direct current (DC) systems?
Yes, it is rated for use in DC applications up to 250VDC, where it provides an interrupting capacity of 10kA.
Is the Federal Pacific NEJH series still manufactured?
No, Federal Pacific is no longer in business and the NEJH series is out of production. These breakers are supplied as legacy replacements for existing infrastructure.
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