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How To Determine the Circuit Breaker You Need

Molded Case Circuit Breaker
Low Voltage Air Cicruit Breaker
Medium Voltage Air Circuit Breaker
Oil Circuit Breaker
Circuit Breakers Low Voltage
Circuit Breakers
Medium Voltage Air
Circuit Breakers
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Circuit Breakers

The fastest way to determine an existing circuit breaker is through the circuit breaker Catalog Number (or part number) found on the nameplate.

If nameplate data is faded or unavailable (older vintage Westinghouse and ITE Molded Case Circuit Breakers are notorious for having time worn nameplate data), the Manufacturer’s Name (from the breaker or panel), Type (Ex. J Type, ML Type), Ampere Rating and any Physical Dimensions of the existing breaker would be key factors in determining a suitable breaker replacement.

Still need help?

Any information you can provide as to what the existing circuit breaker is would be helpful in determining a proper circuit breaker replacement. A picture of the circuit breaker is always helpful.

Send your picture and/or identifying information to techsupport@swgr.com. Please remember to provide your name, company name and phone number in the email.

Need more help?

If you need more assistance in Identifying or Locating a Circuit Breaker, please contact our "Rapid Fire" Technical Support Team.

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N93 W16170 Megal Drive · Menomonee Falls, WI 53051
Toll-Free: 800.803.9256 · Local: 414.461.8200 · Fax: 414.461.8485
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