Specifications 122
Rated input frequency
50 Hz to 60 Hz
Rated input current
4.1 A
Maximum rated input power
803 W at 200 V AC input
798 W at 240 V AC input
Btu per hour
2739 at 200 V AC input
2735 at 208 V AC input
2731 at 220 V AC input
2728 at 230 V AC input
2724 at 240 V AC input
Power supply output
—
Rated steady-state power
750 W at 200 V to 240 V AC input
Maximum peak power
750 W at 200 V to 240 V AC input
HP 750 W CS -48 V DC Hot-plug Power Supply (94% efficiency)
Specification Value
Input requirements
—
Rated input voltage
-36 V DC to -72 V DC
-48 V DC nominal input
Rated input current
23 A at -36 V DC input
17 A at -48 V DC input, nominal
input
11 A at -72 V DC input
Rated input power (W)
815 W at -36 V DC input
805 W at -48 V DC input, nominal
input
795 W at -72 V DC input
Btu per hour
2780 at -36 V DC input
2740 at -48 V DC input, nominal
input
2720 at -72 V DC input
Power supply output
—
Rated steady-state power (W)
750 W
Maximum peak power (W)
750 W
CAUTION: This equipment is designed to permit the connection of the earthed conductor of the
DC supply circuit to the earthing conductor at the equipment.
If this connection is made, all of the following must be met:
• This equipment must be connected directly to the DC supply system earthing electrode
conductor or to a bonding jumper from an earthing terminal bar or bus to which the DC supply
system earthing electrode conductor is connected.
• This equipment must be located in the same immediate area (such as adjacent cabinets) as any
other equipment that has a connection between the earthed conductor of the same DC supply
circuit and the earthing conductor, and also the point of earthing of the DC system. The DC
system must be earthed elsewhere.
• The DC supply source is to be located within the same premises as the equipment.
• Switching or disconnecting devices must not be in the earthed circuit conductor between the
DC source and the point of connection of the earthing electrode conductor.
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