Federal Pacific NJJ232225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Federal Pacific
NJJ232225
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NJJ232225
Quantity
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Federal Pacific NJJ232225 - 225A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy N-frame series, the Federal Pacific NJJ232225 is a 225A molded case circuit breaker. It delivers robust thermal-magnetic overcurrent protection for demanding commercial and industrial power distribution applications. Engineered for seamless integration, this three-pole device bolts into existing Federal Pacific distribution panels and switchboards. It provides a reliable hardware solution for maintaining older systems and serves as a substitute for the NJL631225.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NJJ232225 |
| Series | NJJ |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 10kA @ 250VDC |
| Frame Type | NJJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Distribution Panels, Switchboards |
| Wire Gauge | 6 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 6 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, Undervoltage Release |
|---|---|
| Accessories | Load Lugs |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
7 answersWhat equipment is the NJJ232225 designed to fit?
This N-frame breaker is engineered to mount into legacy Federal Pacific distribution panels and switchboards that accept bolt-on NJJ frame breakers.
What are the acceptable wire sizes for the terminals on this breaker?
The factory lugs accommodate wire gauges from 6 AWG up to 300 kcmil. Always verify that your conductor material and insulation rating meet local electrical codes for a 225A circuit.
How is the NJJ232225 secured to the busbar?
It utilizes a bolt-on connection. You must bolt the breaker directly to the busbar of a compatible Federal Pacific panelboard, ensuring proper torque specifications are met for a secure electrical connection.
Are the trip settings on this breaker adjustable?
No. The thermal magnetic trip unit provides long-time and instantaneous (LI) protection with fixed thermal and fixed magnetic trip points.
Does this breaker support direct current (DC) systems?
Yes, it is rated for use in DC applications up to 250VDC, where it provides a 10kA interrupting capacity.
What safety precautions are required when installing this bolt-on breaker?
Always de-energize the entire distribution panel or switchboard before installation. Working on live busbars with bolt-on breakers poses a severe risk of arc flash and electrical shock.
Can I use this to replace a failed NJJ breaker in an older Federal Pacific panel?
Yes, this unit matches the original factory dimensions of legacy Federal Pacific N-frame breakers. It serves as a direct replacement, allowing you to maintain existing infrastructure without modifying the panel hardware.
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