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Circuit Breakers

February 24th, 2010

Sometime in January of 1942, the American intelligence community broke the Japanese code enabling the United States to track what the Japanese were up to. Circuit breakers contain their own type of code also. It may not be as intriguing or as sophisticated as all that, but the circuit breaker code tells its own story. Enter the circuit breakers catalog number. This number is the ID bracelet of the circuit breaker. Take the catalog number of a Square D KAL36200. We know it’s a Square D. The “KA” represents the series of the breaker. The “L” means the breaker has lugs. The “3” indicates the number of poles. The “6” the voltage class (in this case it’s 600 volts). The “200” indicates the frame amperes. So there you have it. The anatomy of a breaker contained in one simple number.

 

So when you call up with questions about circuit breakers, the catalog number is the key number to know.

 

Since 1977 MIDWEST has been in the business of servicing circuit breakers, which coincidentally was the only year in recorded history snow fell in Miami Florida. The two events are not related. We have seen many types and sizes of circuit breakers come across our shop tables over the years, ranging from medium voltage breakers, to low voltage air breakers, to molded case circuit breakers. Our experience has taught us well. Let our expert engineers and technical team help you with your circuit breaker concerns. Our office hours are from 7:00 AM to 6:30 PM CDT. Our technical support team is standing by and ready to assist you.

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