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Zinsco UBIZ2125 Miniature Circuit Breaker
- 125A
- 2 Pole
- Plug-On
Zinsco
UBIZ2125
Miniature Circuit Breaker
Brand
Zinsco
SKU
UBIZ2125
Quantity
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Zinsco UBIZ2125 - 125A 2 Pole Miniature Circuit Breaker
New
Quantity
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Description
Delivering essential overcurrent defense, this 125-amp thick series component is engineered for residential power distribution. It helps maintain aging electrical infrastructure safely. Designed for seamless integration, it serves as an exact cross-reference for the discontinued QCAL125. The plug-on design installs into vintage Zinsco Type QC panelboards, eliminating the hassle of sourcing used parts. With a 10kAIC capacity, it handles typical household faults and includes a HACR rating.Specifications
| Brand | Zinsco |
|---|---|
| Part Number | UBIZ2125 |
| Series | UBIZ |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Zinsco Load Centers (Type QC) |
| Wire Gauge | 14-2 AWG |
| Max Wire | 2 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, Thick Series |
Product FAQs
3 answersWhat obsolete circuit breaker does the UBIZ2125 replace?
The UBIZ2125 is a direct aftermarket replacement for the discontinued Zinsco QCAL125 circuit breaker. It is manufactured by Connecticut Electric to keep legacy Zinsco and Sylvania panels operational.
Which electrical panels are compatible with the UBIZ2125 breaker?
This breaker is designed specifically for use in vintage Zinsco and Sylvania Type QC load centers. It is a thick-series breaker that fits the original bus bar configurations of these legacy panels.
Does the UBIZ2125 meet current safety standards for legacy panels?
Yes. As a newly manufactured replacement breaker by Connecticut Electric, it is ETL listed and complies with UL 489 standards for safety and reliability in North American electrical systems.
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