Federal Pacific NM022450 Molded Case Circuit Breaker
- 450A
- 2 Pole
- Bolt-On
Quantity
Federal Pacific NM022450 - 450A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for commercial power distribution, the Federal Pacific NM022450 provides robust overcurrent protection. This 450A, two-pole MCCB features an interchangeable thermal-magnetic trip with adjustable magnetic settings. As a legacy replacement, it mounts into Federal Pacific switchgear without aftermarket adapters. The NM622450 serves as a 600V substitute. Rated 30 kAIC at 480VAC, this N-Frame breaker ensures reliable fault interruption while maintaining original equipment specs.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NM022450 |
| Series | NM |
| Amperage | 450A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 1 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Switchgear / Panelboards |
| Wire Gauge | (2) 3/0 AWG-500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit |
Product FAQs
6 answersWhat wire sizes are compatible with the lugs on the NM022450?
The standard lugs on this breaker accept two conductors per phase, ranging from 3/0 AWG to 500 kcmil.
Does the NM022450 feature an adjustable trip unit?
Yes, this breaker uses an interchangeable thermal magnetic trip unit with a fixed thermal element for long-time protection and an adjustable magnetic element for instantaneous short-circuit protection.
What equipment is the NM022450 designed to fit?
This N-Frame molded case circuit breaker is designed to bolt directly into legacy Federal Pacific switchgear and panelboards without the need for aftermarket adapters.
Is there an alternative Federal Pacific breaker if the NM022450 is unavailable?
Yes, the Federal Pacific NM622450 can serve as a direct substitute. It shares the same physical dimensions and 450A rating but carries a higher 600VAC maximum voltage rating.
Can field-installable accessories be added to the NM022450?
Yes, this N-Frame breaker supports standard internal accessories, including shunt trips, auxiliary switches, and undervoltage releases.
What industry standards does the NM022450 meet?
This breaker is UL listed and complies with UL 489 and NEMA AB-1 standards for molded case circuit breakers.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- JGJoseph G.ReviewingFederal Pacific NM031500 Trip UnitI recommend this productRated 5 out of 5 stars2/1/18The best
Just what I expected