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Electrical Specifications for the MX960 DC Power Supply

Table 1 lists the DC power supply electrical specifications.

Table 1: Power Supply Electrical Specifications

Item	Specification
Normal-Capacity Power Supplies

Maximum output power	2800 W
DC input current rating	58 A @ –48 V nominal operating voltage
Maximum input current	70 A
DC input voltage	Operating range: –40 to –72 VDC Nominal: –48 VDC
Maximum DC inrush current	140.5 A for both feeds at nominal -48V
Internal Circuit Breaker	80 A
Efficiency Note: This value is at full load and nominal voltage.	99%
High-Capacity Power Supplies
Maximum output power	Two-Feed Mode	One-Feed Mode
Maximum output power	4100 W	1700 W
DC input voltage	Nominal: –48 VDC Operating range: –40 to –72 VDC
DC nominal input current rating @48 VDC	Two-Feed Mode	One-Feed Mode
DC nominal input current rating @48 VDC	104 A for both feeds (54 A and 50 A per feed)	42 A
Maximum input current rating @ 40 VDC input voltage	128 A for both feeds (66 A and 62 A per feed)	52 A
Maximum DC inrush current	140.5 A for both feeds (70 A and 70.5 A per feed	70 A
Efficiency Note: This value is at full load and nominal voltage.	86%

Table 2: Power System Electrical Specifications

Item	Normal-Capacity	High-Capacity
Redundancy	2+2	2+2
Output power (maximum) per supply	2800 W	Two-feed mode	One-feed mode
Output power (maximum) per supply	2800 W	4100 W	1700 W
Output power (maximum) per system	5600 W	8200 W	3400 W

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