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Federal Pacific NF631070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Federal Pacific
NF631070
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NF631070
Quantity
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Federal Pacific NF631070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Description
Part of the legacy N-frame series, the Federal Pacific NF631070 is a 70A, 3-pole molded case circuit breaker. It delivers reliable thermal-magnetic protection for commercial 3-phase electrical systems. Designed for seamless integration, this breaker mounts into Federal Pacific NF panelboards. It provides a precise replacement solution for discontinued infrastructure. The UBIF270N serves as a verified substitute. With an 18 kAIC rating at 480VAC, it features fixed trip adjustability.Specifications
| Brand | Federal Pacific |
|---|---|
| Series | NF |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | HF |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific NF Panelboards |
| Wire Gauge | 14-1/0 AWG |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Accessories | Load Side Lugs Included |
|---|---|
| Standards | CSA C22.2 No. 5.1, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40°C |
Product FAQs
4 answersWhich panelboards accept the Federal Pacific NF631070 circuit breaker?
This 3-pole breaker is designed specifically for installation in legacy Federal Pacific NF panelboards. It provides a direct replacement without the need for aftermarket adapter kits.
Are the thermal and magnetic trip elements adjustable on this breaker?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time and instantaneous trip functions are factory set and cannot be adjusted in the field.
How does the NF631070 connect to the panelboard bus?
This breaker utilizes a standard bolt-on connection. It mounts directly to the busbar of compatible Federal Pacific NF panelboards, ensuring a secure and reliable mechanical connection for commercial 3-phase systems.
What type of protection does the LI trip function provide?
The LI designation indicates that the breaker includes both Long-Time and Instantaneous trip functions. The Long-Time function protects against sustained overloads, while the Instantaneous function provides immediate tripping during severe short circuits.
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