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Connecticut Electric UBIZ2100 Zinsco Circuit Breaker, 2-Pole 100-Amp Thick Series

4.1 out of 5 stars 41 customer reviews

List Price: $205.91
Price: $107.00 & FREE Shipping
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  • 10,000 aic 2-pole 100A
  • Zinsco circuit breaker by connecticut electric type ubiz.
  • For use in Zinsco load centers that accept type rc circuit breakers.
  • Ul listed & certified
  • 2 Pole, 100 Amp
  • Type UBIZ for use in Zinsco load centers
  • Thick series, requires two 3/4-inch spaces
  • Former QCAL series, directly replaces QCAL100
32 new from $102.01 3 used from $80.04

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Frequently Bought Together

  • Connecticut Electric UBIZ2100 Zinsco Circuit Breaker, 2-Pole 100-Amp Thick Series
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  • Connecticut Electric UBIZ2020 Thin Series 2-Single Poles 20-Amp Zinsco Circuit Breaker
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  • Connecticut Electric UBIZ0230 Zinsco Circuit Breaker, 2-Pole 30-Amp Thin Series
Total price: $201.66
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Product Description

Product Description

Zinsco circuit breaker by connecticut electric type ubiz. For use in Zinsco load centers that accept type qc circuit breakers. Etl listed. 10,000 aic 2-pole 100A

From the Manufacturer

This 120/240 volt Zinsco 100 amp, double pole, thick series replacement circuit breaker is used in a Zinsco load center and/or used for feeding Sub-Feed Panel Boxes. This is only a suggestion and cannot assure your compliance with all local codes. Please check local electrical codes before starting any electrical project.

Product Information

Technical Details

Part Number UBIZ2100-B
Item Weight 12.8 ounces
Product Dimensions 3.3 x 1.5 x 5 inches
Item model number UBIZ2100 (QCAL100)
Size 100 amp
Voltage 240 volts
Item Package Quantity 1
Batteries Included? No
Batteries Required? No
Warranty Description 2 year

Additional Information

ASIN B000H5T68U
Customer Reviews
4.1 out of 5 stars 41 customer reviews

4.1 out of 5 stars
Best Sellers Rank #86,892 in Home Improvements (See top 100)
#57 in Home Improvement > Electrical > Breakers, Load Centers & Fuses > Circuit Breakers > Magnetic Circuit Breakers
#5,389 in Home Improvement > Contractor Supply
Shipping Weight 10.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available September 10, 2006

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Had not one, but two of these breakers arrive defective.
Amazon refunded my money right away.
Still lost 4 days with no power because of this junk. Home depot.com sells another brand that seems fine
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Verified Purchase
The first one I received only one pole worked. Amazon was great about getting me a second one.
I used this in an old GE panel from the 1970's and it fit on the bus bars, however I had to cut and modify the panel cover because it was deeper than the original breakers.
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Verified Purchase
Product was defective. Only one side worked. When I emailed Connecticut Electric, they assured me all products were inspected and tested under camera supervision prior to being mailed to customers. They did refund me the purchase price, but further insulted me by writing their inspectors determined that the product had been used. Of course I had installed it, how else would I have know only one pole worked.
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Verified Purchase
Nice positive click as soon as I flipped it let me know it was working great right out of the package. A quick continuity test and then loosening the screws and I know I could snap it in and it would solve the "only 110VAC flowing on one rail" problem. Popped right in and worked first time. I guess either I got lucky or the DOA problem was fixed in manufacturing.
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Verified Purchase
Used it to replace my neighbor's main breaker that kept tripping

Remember to use Noalox® Anti-oxidant Compound on ALL aluminum electrical connections that are exposed to humidity or rated 50 Amp and greater!
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Verified Purchase
Connecticut Electric Zinsco replacement 2 pole 100 amp full size breaker
came in barely working order - had to "play" with both for at least 5 minutes and was thinking to send it back, due to the mulfunction, but than finaly got it to work (do not know how long it will last - used only one and the other was kept for spare) - paid express shipping as well to get it a.s.a.p. price was right, about 40% less than anywhere else, but - "you get what you paid for" - if i had to do it again - probably would not.
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Verified Purchase
Amazon sent me a scuffed up "used" breaker not NEW as shown. Had to send it right back. I don't know if it works or not, didn't even bother testing it. Amazon quality & advertising is going down hill fast.
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Verified Purchase
Excellent deal and product arrived sooner than expected. Unit appeared to be refurbished, but was assured by company that the product was new. Unit was installed with no issue. Would definitely recommend.
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