Connecticut Electric UBIZ0240 Miniature Circuit Breaker
- 40A
- 2 Pole
- Plug-On
Connecticut Electric
UBIZ0240
Miniature Circuit Breaker
Brand
Connecticut Electric
SKU
UBIZ0240
Quantity
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Connecticut Electric UBIZ0240 - 40A 2 Pole Miniature Circuit Breaker
New
Quantity
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Description
Built for residential applications, the UBIZ0240 is a 40A, two-pole miniature breaker by Connecticut Electric. It provides reliable thermal-magnetic protection for older home electrical systems. This plug-on unit is designed for legacy Zinsco load centers accepting Type RC breakers. It serves as a direct replacement for the discontinued Zinsco RC3840, ensuring a proper fit. Featuring a 3/4-inch thin profile, this HACR-rated breaker delivers 10kAIC interrupting capacity at 120/240VAC.Specifications
| Brand | Connecticut Electric |
|---|---|
| Series | UBIZ |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Zinsco Load Centers (Type RC) |
| Wire Gauge | 14-8 AWG |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489 |
|---|---|
| Approval | ETL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Thin Series |
Product FAQs
6 answersWhat panels are compatible with the UBIZ0240 circuit breaker?
The UBIZ0240 is designed exclusively for use in Zinsco load centers that accept Type RC circuit breakers.
Which original Zinsco part numbers does the UBIZ0240 replace?
This breaker is a direct replacement for original Zinsco RC3840 and RC38-40 40-amp, 2-pole circuit breakers. It can also replace equivalent Sylvania RC3840 breakers.
Is the Connecticut Electric UBIZ0240 safety certified to replace original Zinsco breakers?
Yes, it is Intertek ETL Listed to UL Standard 489 for molded case circuit breakers, ensuring it meets modern safety standards for US and Canadian installations.
How much panel space does the UBIZ0240 require?
As a thin-series Type RC breaker, this 2-pole unit fits into a single 3/4-inch panel space.
Is the UBIZ0240 circuit breaker HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with compatible heating, air conditioning, and refrigeration equipment.
What wire sizes are accepted by the UBIZ0240 terminals?
The terminal lugs on this breaker accept wire gauges ranging from 14 AWG to 8 AWG.
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