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Substation Equipment: Disconnect Switches

Disconnect Switches
Disconnect switches or circuit breakers are used to isolate equipment or to redirect current in a substation. Many different types of disconnect switches are shown below.

Figure 1. Disconnect switches on an outgoing distribution circuit
Figure 1. Disconnect switches on an outgoing
distribution circuit
Figure 2. Motorized disconnect switch (circuit breaker)
Figure 2. Motorized disconnect switch
(circuit breaker)

Figure 3. Motorized circuit breaker - control box
Figure 3. Motorized circuit breaker - control box

Figure 4. Motorized circuit breaker - switch detail
Figure 4. Motorized circuit breaker - switch detail

Figure 5. Substation motorized grounding switches
Figure 5. Substation motorized grounding switches

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Page last updated: 11/03/2009