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Connecticut Electric UBIF20NB Miniature Circuit Breaker
- 20A
- 1 Pole
- Bolt-On
Connecticut Electric
UBIF20NB
Miniature Circuit Breaker
Brand
Connecticut Electric
SKU
UBIF20NB
Quantity
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Connecticut Electric UBIF20NB - 20A 1 Pole Miniature Circuit Breaker
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Description
Delivering 20-amp, single-pole protection, the UBIF20NB from Connecticut Electric serves commercial and industrial applications. It is engineered to replace the discontinued Federal Pacific Electric (FPE) NB120, offering a modern, safety-tested alternative for legacy infrastructure. This unit bolts firmly into FPE NBLP panelboards, ensuring a stable connection for 120VAC circuits. It features a 10 kAIC interrupt rating and standard long-time/instantaneous trip functions.Specifications
| Brand | Connecticut Electric |
|---|---|
| Series | UBIF |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Electric (FPE) NBLP Panelboards |
| Wire Gauge | 14-6 AWG |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Accessories | Lugs Included, Mounting Hardware |
|---|---|
| Standards | HACR, SWD, UL 489 |
| Approval | ETL |
| Temp Rating | 40C |
Product FAQs
7 answersWhich legacy circuit breaker does the Connecticut Electric UBIF20NB replace?
The UBIF20NB is a direct replacement for the discontinued Federal Pacific Electric (FPE) NB120 circuit breaker. It provides a modern alternative for maintaining legacy infrastructure.
Which panelboards accept the UBIF20NB circuit breaker?
This breaker is engineered specifically for Federal Pacific Electric (FPE) NBLP commercial panelboards that require NB-style bolt-on breakers.
Will the UBIF20NB fit in a standard FPE Stab-Lok residential load center?
No. The UBIF20NB is a bolt-on breaker designed for NBLP commercial panels. It is not compatible with plug-on Stab-Lok residential load centers, which require NA or NC style breakers.
How does the UBIF20NB mount into the panelboard?
It utilizes a bolt-on connection, meaning it physically screws directly into the panelboard bus to ensure a highly stable, vibration-resistant electrical connection.
What wire gauge range is supported by the UBIF20NB terminals?
The integrated lugs accept wire sizes ranging from 14 AWG to 6 AWG. Ensure the wire is properly sized for the 20-amp circuit rating.
What type of trip mechanism does the UBIF20NB use?
It features a fixed thermal-magnetic trip unit. This provides standard LI protection, meaning it includes a long-time delay for overloads and an instantaneous trip for short circuits.
Does the UBIF20NB meet modern safety standards for replacing older FPE breakers?
Yes. While it fits legacy FPE NBLP panels, the UBIF20NB is manufactured to current UL 489 standards and is ETL listed, providing a safety-tested solution for aging electrical systems.
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