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Zinsco QCAL70 Molded Case Circuit Breaker
- 70A
- 2 Pole
- Plug-On
Zinsco
QCAL70
Molded Case Circuit Breaker
Brand
Zinsco
SKU
QCAL70
Quantity
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Zinsco QCAL70 - 70A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for compatibility with legacy Zinsco load centers, this 70A, two-pole breaker offers a reliable solution for maintaining older electrical systems. The 1.5-inch thick series frame utilizes a plug-on mounting style that fits seamlessly into existing panelboards. It is frequently substituted by the UBIZ270. Rated for 10 kAIC at 120/240VAC, the unit includes load side lugs to accommodate standard wire gauges. It is HACR rated for HVAC applications.Specifications
| Brand | Zinsco |
|---|---|
| Part Number | QCAL70-R-R |
| Amperage | 70A |
| 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 |
| Wire Gauge | #14 - 1/0 AWG |
| Max Wire | 1/0 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 | UL 489 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | HACR Rated, Thick Series |
Product FAQs
5 answersWhat electrical panels are compatible with the Zinsco QCAL70 circuit breaker?
The QCAL70 is designed for use in legacy Zinsco and GTE Sylvania load centers that accept type QC or QCAL plug-on circuit breakers.
Is there a modern replacement available for the Zinsco QCAL70?
Yes, the Connecticut Electric UBIZ270 is a direct, ETL-listed aftermarket replacement for the 70A Zinsco QCAL70. It fits the same 1.5-inch thick series footprint in legacy Zinsco panels.
What type of wire is compatible with the QCAL70 breaker lugs?
The load side lugs on the QCAL70 are rated to accept both copper and aluminum conductors ranging from 14 AWG up to 1/0 AWG.
Is the Zinsco QCAL70 suitable for HVAC applications?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment that requires a 70A, 2-pole disconnect.
What is the physical footprint of the QCAL70 breaker?
The QCAL70 belongs to the Zinsco thick series, featuring a 1.5-inch wide frame that occupies two standard spaces in the panel.
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