User manual

Chapter 2 Environmental and Electrical Specifications 2-21
2.4.2 Circuit Breaker Capacity and Characteristics
As a condition for maintaining the linked protection that would trip a system circuit
breaker before a circuit breaker in your distribution panel in the SPARC Enterprise
M8000/M9000 server, the circuit breakers in your distribution panel must have the
characteristic described below. Use circuit breakers that have these characteristics in
your distribution panel.
2.4.2.1 Circuit Breaker Capacity of Customer Panel Board
2.4.2.2 Blockade Character of Circuit Breaker
The blockade character of the circuit breaker is long-time delay type. Use a circuit
breaker which is equivalent to, or slower than, blockade character D (IEC898 or
DIN0651 part II) of
FIGURE 2-10.
TABLE 2-9 Circuit Breaker Capacity of Customer Panel Board
Power supply input Name of device
Circuit breaker capacity of
customer panel board
(Japan/North
America/Oversea in general)
Capacity of customer panel
board (Europe)
Single phase
(AC200-240V)
SPARC Enterprise M8000
Server
30A 32A
SPARC Enterprise M9000
Server
30A 32A
3 phase delta
(AC200-240)
SPARC Enterprise M8000
Server
50A 50A
SPARC Enterprise M9000
Server
80A 80A
3 phase star
(AC380-415V)
SPARC Enterprise M8000
Server
30A 30A
SPARC Enterprise M9000
Server
50A 50A