Aic Circuit Breaker

Circuit breakers are tested and then rated as to their ability to open the protected circuit with a specific amount of current flowing in the circuit.

Aic circuit breaker.

Then consider the uncertain future of building spaces. Set your store to see local availability add to cart. The amount of fault current available must not exceed the breaker s ability to safely open the circuit. Panelboards and switchboards are listed in accordance with ansi ul 67 and ansi ul 891 and are covered under the qeuy and wevz product categories respectively.

Arc fault circuit interrupters afcis are required by the national electrical code for certain electrical circuits in the home. The motor load is 282a which exceeds 1 of 22 000a 220a. Circuit breakers typically have aic ratings of between 5 000 and 200 000 aic. In this simple demo conducted at eaton corp s power systems experience center dan carnovale explains what an arc fault is and why there is such a big deal.

In this section individual or stand alone interrupting rating is used to denote the interrupting rating of a circuit breaker or fuse. A circuit breaker s aic ampere interrupting capacity determines how much current protection it provides. Square d qo 30 amp single pole circuit breaker model qo130cp 9 98 9. Protected circuit breaker s stand alone interrupting rating.

Below are some frequently asked questions about afcis and the benefits of installing them in your home. Most people are familiar with the term arcing. What is an arc fault. Buy 6 or more 48 82.

Molded case circuit breakers are required to be marked with the aic rating when it exceeds 5000 amperes. Aic or ampere interrupting capacity is an important factor to consider when choosing a circuit breaker. A circuit breaker is an electrical switch used to prevent damage to an electrical circuit due to overloads or short circuits.