Electrical Power and Control, a Talladega-based company providing electrical distribution solutions, has released a guide to Square D circuit breaker catalog numbers.
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In its new guide, Electrical Power and Control explains how to locate the catalog number on a Square D circuit breaker and what each character in the sequence represents.
More details can be found at https://electricalpowerandcontrol.com/circuit-breaker-catalog-numbers-explained
Electrical Power and Control explains that on most models, the catalog number is located directly to the left of the operator switch, just below the amperage rating. It's usually a combination of letters and numbers spanning eight characters.
“The first character in a catalog number indicates the frame type, which determines how the circuit breaker will fit into your application,” explained a company spokesperson. “The second and third characters represent the interrupting capacity and lug configuration of the breaker. In most cases, these first three characters are all letters.”
The fourth and fifth characters, which are always digits, indicate the number of poles and the voltage class of the breaker. The fourth character will either be a 1, 2, or 3, while the fifth character indicates voltage: a 6 for 600 volts, a 4 for 480 volts, or a 2 for 240 volts.
The last three characters — six, seven, and eight — make up a three-digit number that specifies the frame’s amperage rating. Electrical Power and Control notes that this number is the most important in the sequence as it indicates the maximum current the breaker can safely carry without tripping.
When selecting a circuit breaker, Electrical Power and Control recommends readers know the dimensions and mounting configuration of their application, what interrupting capacity and lug configuration are required, how many poles are needed, and what voltage class and amperage rating are compatible with their system.
“With a little knowledge, you can make informed choices that ensure the safety and efficiency of your electrical system,” said the spokesperson. “By following the practices outlined in our guide, you can be confident in your selection and maximize the performance and longevity of your circuit breaker.”
Interested parties can find more information at https://electricalpowerandcontrol.com/circuit-breaker-catalog-numbers-explained
Contact Info:
Name: Pat Sims
Email: Send Email
Organization: Electrical Power and Control
Address: 1639 Springhill Rd., Talladega, AL 35160, United States
Website: https://electricalpowerandcontrol.com/
Source: PressCable
Release ID: 89141988
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