Chapter 3 Electrical Supply Installation 47
FIGURE3-2 CircuitBreakers for Dual Power Rails
CB RTN B
RTN A
–48V A
–48V B
RTN B
RTN A
–48V A
–48V B
RTN B
RTN A
–48V A
–48V B
RTN B
RTN A
–48V A
–48V B
RTN B
RTN A
–48V A
–48V B
RTN B
RTN A
–48V A
–48V B
CB
CB
CB
CB
CB
CB
CB
CB
CB
CB
CB
–48Vsupply
A–48Vsupply
B
Return A Return B
CB
CB
CB
CB
CB
CB
CB
CB
CB
CB
CB
CB