Federal Pacific NEJH227125 Molded Case Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
Federal Pacific
NEJH227125
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NEJH227125
Quantity
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Federal Pacific NEJH227125 - 125A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial applications, the Federal Pacific NEJH227125 is a 2-pole, 125A molded case circuit breaker. It provides reliable thermal-magnetic protection for aging electrical infrastructure. Designed as an exact drop-in replacement, this N-frame breaker installs into legacy Federal Pacific NDP panelboards. It features a bolt-on mounting style, eliminating the need for aftermarket adapters while ensuring a secure connection.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NEJH227125 |
| Series | NEJH |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 18kA @ 240VAC, 10kA @ 250VDC |
| Frame Type | NE |
|---|---|
| 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 answersWhat panelboards are compatible with the NEJH227125 circuit breaker?
This breaker is designed for installation in Federal Pacific NDP panelboards. It serves as a direct replacement for legacy installations requiring an N-frame breaker.
What wire sizes and materials do the terminals on this breaker accommodate?
The factory-installed lugs accept both aluminum and copper conductors ranging from 4 AWG to 300 kcmil, allowing flexibility for various feeder sizes.
Can the NEJH227125 be used in DC circuits?
Yes, while primarily used in 240VAC systems, this breaker is also rated for DC applications with an interrupting capacity of 10kA at 250VDC.
How does this breaker connect to the panelboard bus?
It utilizes a bolt-on connection, securing directly to the busbars of compatible Federal Pacific panelboards to ensure a reliable, vibration-resistant contact.
What frame type does this breaker use?
It is built on the Federal Pacific NE frame, which is part of the broader N-frame group of legacy molded case circuit breakers.
Are the trip settings on the NEJH227125 adjustable?
No, this breaker features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection.
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