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Zinsco QCAL80 Molded Case Circuit Breaker
- 80A
- 2 Pole
- Plug-On
Zinsco
QCAL80
Molded Case Circuit Breaker
Brand
Zinsco
SKU
QCAL80
Quantity
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Zinsco QCAL80 - 80A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for older residential applications, the QCAL80 is an 80A, two-pole molded case circuit breaker. It delivers dependable thermal-magnetic trip protection for legacy electrical systems requiring a thick-series profile. This plug-on unit mounts into vintage Zinsco panelboards, providing an exact fit without modifications. It replaces the UBIZ280, matching the necessary 1.5-inch width to integrate into existing busbars. Featuring a 10 kAIC rating at 120/240VAC, it is HACR rated.Specifications
| Brand | Zinsco |
|---|---|
| Part Number | QCAL80-R-R |
| Amperage | 80A |
| 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 |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489 |
|---|---|
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | HACR Rated |
Product FAQs
6 answersWhat load centers are compatible with the Zinsco QCAL80?
The QCAL80 is a plug-on circuit breaker designed specifically for vintage Zinsco and Sylvania Type QC load centers and panelboards.
What is the direct aftermarket replacement for the QCAL80?
The Connecticut Electric UBIZ280 is the direct, UL 489 listed aftermarket replacement for obsolete Zinsco QCAL80 and QC80 circuit breakers.
What wire gauge is accepted by the QCAL80 box lugs?
The terminals on this breaker accept 14 AWG to 2 AWG copper or aluminum wire.
What is the physical width of the QCAL80 breaker?
The QCAL80 is a thick-series breaker with a 1.5-inch wide body, occupying two standard spaces in a Zinsco load center.
Why are original Zinsco QCAL80 breakers considered obsolete?
Original Zinsco panels and breakers were discontinued decades ago due to documented safety hazards, including busbar arcing and failure to trip. Modern aftermarket replacements are manufactured to current safety standards for maintenance purposes.
Is the QCAL80 suitable for HVAC equipment?
Yes, modern replacements for the QCAL80 are HACR rated, making them approved for use with heating, air conditioning, and refrigeration motor loads.
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