Connecticut Electric UBIF240NB Miniature Circuit Breaker
- 40A
- 2 Pole
- Bolt-On
Quantity
Connecticut Electric UBIF240NB - 40A 2 Pole Miniature Circuit Breaker
New
Quantity
Description
Designed for commercial and industrial environments, the UBIF240NB is a 40-amp, two-pole breaker from Connecticut Electric. It provides a safe, code-compliant solution for updating older electrical systems that require Federal Pacific Electric (FPE) components. This thick-body unit features a bolt-on connection, acting as a drop-in substitute for the discontinued NB240. It fits perfectly into FPE NBLP panelboards. The HACR-rated breaker delivers a 10kAIC rating at 120/240VAC.Specifications
| Brand | Connecticut Electric |
|---|---|
| Series | UBIF |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific 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 | Load Side Lugs Included |
|---|---|
| Standards | HACR, UL 489 |
| Approval | ETL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip |
Product FAQs
7 answersWhich panelboards are compatible with the UBIF240NB circuit breaker?
This breaker is specifically designed for use in Federal Pacific NBLP commercial panelboards that accept bolt-on NB style circuit breakers.
Can the UBIF240NB replace original Federal Pacific Electric breakers?
Yes, the Connecticut Electric UBIF240NB serves as a direct replacement for original Federal Pacific Electric (FPE) Type NB thick-body bolt-on circuit breakers.
What wire gauge range is accepted by the UBIF240NB terminals?
The lug terminals on this circuit breaker accommodate wire sizes ranging from 14 AWG to 6 AWG.
How is the UBIF240NB installed into the panelboard?
This is a bolt-on circuit breaker, meaning it must be mechanically fastened directly to the panel busbar using screws, rather than snapping into place.
What is the physical width of this NB style replacement breaker?
The UBIF240NB features a 2-inch thick body frame, which matches the dimensions required for Federal Pacific Type NB breaker slots.
Does the UBIF240NB meet modern safety standards for FPE replacements?
Yes, this replacement circuit breaker is ETL Listed to UL Standard 489 for molded case circuit breakers in the US and Canada.
What type of overcurrent protection does the UBIF240NB provide?
It utilizes a fixed thermal-magnetic trip unit with LI functions, delivering both long-time thermal protection against overloads and instantaneous magnetic protection against short circuits.
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