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Draw-out and fixed-air circuit breakers are both types of circuit breakers used in electrical systems. The main difference between them is how they are installed and removed from the system.
A draw-out circuit breaker can be easily removed from its housing for maintenance or replacement without disrupting the electrical connections. On the other hand, a fixed-air circuit breaker is permanently installed in the system and cannot be easily removed without disconnecting the electrical connections.
Draw-out circuit breakers are commonly used in critical applications where downtime must be minimized, while fixed-air circuit breakers are more suitable for applications where frequent removal is not necessary.
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SteveWell, darling, a Draw-out circuit breaker is designed to be easily removed from its housing for maintenance or replacement, while a Fixed-air circuit breaker is permanently installed and cannot be easily removed. So, it's like the difference between a removable battery and a built-in one - one gives you the option to switch things up, while the other is there for the long haul.
A drawout breaker has two parts (base and breaker). The base is wired to the load frame and bolted in. The breaker slides in and out of the base, and connects physically and electrically to the base (so it's easy to rack out for maintenance). A fixed mounted circuit breaker is bolted directly to the enclosure and wired to the load frame.
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