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Figure 11.4 - DIN rail mounted circuit breaker
Conductors for the supply and load are typically secured to the
breaker using pressure connectors that are tightened by some type
of threaded fastener.
While not as easy to replace as Stab Lock Type Breakers this
type of breaker employs a male-female type of plug and receptacle
connection to a metal busbar on one end. The opposite end of the
breaker is mated to the enclosure housing and does not make
electrical contact with the busbar.
These types of breakers are found in homes and light
commercial applications installed in loadcenters. With this method
of mounting some movement of the breaker is normal.
This small amount of breaker case movement is typically 1/8 of
an inch or less on the busbar end. The circuit conductor
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