Revision History

	Revision History
Revision	Date	By	Description
990-1557 Revision 1	20 Oct, 2003	JPF	Initial Release
990-1557A Revision 2	30 MAR 2004	BET	Update to include Battery Cabinet
	Table of Figures
FIGURE 2.1-1 MAGNUM XS 450 POWER PLANT				2
FIGURE 2.1-2 POWER SYSTEM BLOCK DIAGRAM				3
FIGURE 3.2-1 DOOR CLEARANCE DIMENSIONS				6
FIGURE 3.2-2 FLOOR MOUNTING DIMENSIONS				7
FIGURE 3.3-1 AC KIT WITH THREE PHASE SPREADER (SHOWN WITH SINGLE POLE
BREAKERS)				9
FIGURE 3.3-2 RECOMMENDED TORQUES ON INPUT CONNECTORS				10
FIGURE 3.3-3 RECOMMENDED TORQUES FOR TERMINAL BLOCK CONNECTIONS				10
FIGURE 3.3-4 AC INPUT ENTRY WITH INDIVIDUAL RECTIFIER ENTRY (SHOWN WITH
SINGLE POLE CIRCUIT BREAKER OPTION)				11
FIGURE 3.4-1 RECTIFIER SWITCH SETTINGS				12
FIGURE 3.4-2 RECOMMENDED TORQUES ON RECTIFIER CONNECTORS				12
FIGURE 3.5-1 28 CIRCUIT BREAKER MODULE				14
FIGURE 3.5-2 12 CIRCUIT BREAKERS MODULE				16
FIGURE 3.5-3 NH2 FUSE MODULE				17
FIGURE 3.7-1 MERLIN GERIN CIRCUIT BREAKER				18
FIGURE 3.7-2 MERLIN GERIN 28 CB MODULE INSTALLATION DETAIL				19
FIGURE 3.7-3 MERLIN GERIN 12 CB MODULE INSTALLATION DETAIL				20
FIGURE 3.7-4 CB ALARM INTERFACE BOARD (28 CIRCUIT BREAKER MODULE)				21
FIGURE 3.7-5 CB ALARM EXPANSION BOARD (12 CIRCUIT BREAKER MODULE)				21
FIGURE 3.7-6 NH2 FUSE CONNECTIONS				22
FIGURE 3.7-7 LARGE LOAD AND SMALL LOAD RETURN MODULE				23
FIGURE 3.8-1 BATTERY CABLE CONNECTIONS				24
FIGURE 3.8-2 BATTERY RETURN MODULE				25
FIGURE 3.8-3 TYPICAL LOCATION OF BATTERY TEMPERATURE PROBE				26
FIGURE 3.10-1 NETWORK MANAGEMENT CARD				26

Magnum XS 450 Power System –48 VDC User’s Manual

Page v

XS 450 -48 specifications

The American Power Conversion (APC) XS 450 -48 is a reliable and efficient power supply solution designed for critical applications requiring a consistent and stable power source. This solution is particularly beneficial for telecommunications, data centers, and industrial settings where power reliability is paramount.

One of the key features of the XS 450 -48 is its ability to deliver 450 watts of continuous power, ensuring that connected devices receive uninterrupted power supply. Its 48-volt output makes it ideal for telecom requirements, where 48V systems are standard. The unit provides a compact and space-saving design, making it suitable for installation in rack-mounted configurations, optimizing the utilization of valuable real estate in server rooms or equipment racks.

The XS 450 -48 utilizes advanced technologies that enhance its performance and reliability. It is equipped with an active power factor correction (PFC) system that significantly reduces harmonic distortion. This feature not only improves system efficiency but also complies with various regulations concerning power quality. Additionally, the power supply includes built-in over-voltage protection, over-current protection, and short-circuit protection, ensuring that both the power supply and the connected devices are safeguarded against electrical faults.

The unit is designed for high efficiency, often exceeding 90% under full load conditions. This not only reduces energy costs but also minimizes heat generation, contributing to a quieter operation environment. The XS 450 -48's intelligent thermal management system allows it to operate in a range of temperatures, making it highly versatile and adaptable to varying environmental conditions.

Furthermore, monitoring and management capabilities are integrated into the XS 450 -48 with optional external monitoring systems. These systems provide critical insights, allowing technicians to track real-time performance metrics, detect potential issues early on, and perform preventive maintenance.

In conclusion, the American Power Conversion XS 450 -48 stands out as a robust power supply solution that combines reliable performance, advanced protection features, and high efficiency. Its design caters to the specific needs of telecommunications and data centers, making it an indispensable asset for maintaining the uptime and integrity of critical systems. With its range of features and reliability, the XS 450 -48 continues to be a preferred choice among professionals in the field.

Revision

Date

Description

Table of Figures

FIGURE 2.1-1 MAGNUM XS 450 POWER PLANT

FIGURE 2.1-2 POWER SYSTEM BLOCK DIAGRAM

FIGURE 3.2-1 DOOR CLEARANCE DIMENSIONS

FIGURE 3.2-2 FLOOR MOUNTING DIMENSIONS

FIGURE 3.3-1 AC KIT WITH THREE PHASE SPREADER (SHOWN WITH SINGLE POLE

FIGURE 3.3-2 RECOMMENDED TORQUES ON INPUT CONNECTORS

FIGURE 3.3-3 RECOMMENDED TORQUES FOR TERMINAL BLOCK CONNECTIONS

FIGURE 3.3-4 AC INPUT ENTRY WITH INDIVIDUAL RECTIFIER ENTRY (SHOWN WITH

FIGURE 3.4-1 RECTIFIER SWITCH SETTINGS

FIGURE 3.4-2 RECOMMENDED TORQUES ON RECTIFIER CONNECTORS

FIGURE 3.5-1 28 CIRCUIT BREAKER MODULE

FIGURE 3.5-2 12 CIRCUIT BREAKERS MODULE

FIGURE 3.5-3 NH2 FUSE MODULE

FIGURE 3.7-1 MERLIN GERIN CIRCUIT BREAKER

FIGURE 3.7-2 MERLIN GERIN 28 CB MODULE INSTALLATION DETAIL

FIGURE 3.7-3 MERLIN GERIN 12 CB MODULE INSTALLATION DETAIL

FIGURE 3.7-4 CB ALARM INTERFACE BOARD (28 CIRCUIT BREAKER MODULE)

FIGURE 3.7-5 CB ALARM EXPANSION BOARD (12 CIRCUIT BREAKER MODULE)

FIGURE 3.7-6 NH2 FUSE CONNECTIONS

FIGURE 3.7-7 LARGE LOAD AND SMALL LOAD RETURN MODULE

FIGURE 3.8-1 BATTERY CABLE CONNECTIONS

FIGURE 3.8-2 BATTERY RETURN MODULE

FIGURE 3.8-3 TYPICAL LOCATION OF BATTERY TEMPERATURE PROBE

FIGURE 3.10-1 NETWORK MANAGEMENT CARD

XS 450 -48 specifications