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Zinsco UBIZ2100 Miniature Circuit Breaker
- 100A
- 2 Pole
- Plug-On
Zinsco
UBIZ2100
Miniature Circuit Breaker
Brand
Zinsco
SKU
UBIZ2100
Quantity
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Zinsco UBIZ2100 - 100A 2 Pole Miniature Circuit Breaker
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Description
Manufactured to meet modern safety standards, this 100-amp residential component provides reliable thermal-magnetic protection. It serves as a crucial maintenance part for older electrical systems. As an exact drop-in substitute, it replaces the obsolete QCAL100 model. The unit mounts into classic Zinsco Type QC load centers, ensuring a precise fit without modification kits. Featuring a 10kAIC rating, it delivers essential short-circuit defense and carries a HACR certification.Specifications
| Brand | Zinsco |
|---|---|
| Series | UBIZ |
| Amperage | 100A |
| 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, Common Trip |
Product FAQs
5 answersWhich obsolete Zinsco part number does the UBIZ2100 replace?
This model is a direct aftermarket replacement for the obsolete Zinsco QCAL100 circuit breaker. It is manufactured by Connecticut Electric for safe integration into existing systems.
What panel types are compatible with this replacement breaker?
It is designed strictly for use in legacy Zinsco load centers that originally accepted Type QC thick-series circuit breakers.
How much space does this 2-pole breaker occupy in the panel?
It requires two 3/4-inch spaces on the busbar, consistent with Zinsco thick-series dimensional standards.
Is the UBIZ2100 safety certified for residential installations?
Yes, it is Intertek ETL listed to the UL 489 standard for molded case circuit breakers, confirming it meets modern safety protocols for use in older load centers.
Does this unit require bolt-on connections or special hardware?
No, it uses a standard push-on, plug-in connection designed to mate directly with legacy Zinsco busbars without requiring additional mounting hardware.
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