Installation Information

16.Bypass and output overcurrent protection and bypass and output disconnect switches are to be provided by the user. Table M lists the maximum rating for bypass and output circuit breakers satisfying the criteria for both.

Table M. Maximum Bypass and Output Circuit Breaker Ratings

UPS Model

Output Voltage Rating

 

 

 

 

 

 

208V

 

480V

 

 

 

Powerware 9390---40

80% Rated

175A

 

70A

100% Rated

150A

 

60A

 

 

Powerware 9390---50

80% Rated

225A

 

100A

100% Rated

175A

 

80A

 

 

Powerware 9390---60

80% Rated

250A

 

125A

100% Rated

200A

 

90A

 

 

Powerware 9390---80

80% Rated

350A

 

150A

100% Rated

300A

 

125A

 

 

17.There is no DC disconnect device within the UPS.

18.A battery disconnect switch is recommended, and may be required by NEC or local codes when batteries are remotely located. The battery disconnect switch should be installed between the battery and the UPS.

19.External DC input overcurrent protection and disconnect switch for the remote battery location is to be provided by the user. Table N lists the maximum rating for continuous-duty rated circuit breakers satisfying the criteria for both.

Table N. Maximum DC Input Circuit Breaker Ratings

UPS Model

Input Voltage Rating

 

 

208V

480V

 

Powerware 9390---40

150A

150A

 

 

 

Powerware 9390---50

200A

200A

 

 

 

Powerware 9390---60

250A

250A

 

 

 

Powerware 9390---80

300A

300A

20.Battery voltage is computed at 2 volts per cell as defined by Article 480 of the NEC. Rated battery current is computed at 2 volts per cell.

21.The battery wiring used between the battery and the UPS should not allow a voltage drop of more than 1% of nominal DC voltage at rated battery current.

22.If the conductors used for DC input from the battery cabinets to the UPS are those provided by the UPS manufacturer, and the UPS and battery cabinets are manufactured by the same supplier, then it is acceptable if they do not meet the noted minimum conductor sizes.

 

 

 

 

DESCRIPTION:

POWER WIRING INSTALLATION NOTES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRAWING NO:

164201535---5

 

 

SHEET: 10 of 16

 

 

 

 

 

REVISION: B

 

DATE:

111504

 

 

 

 

 

 

 

 

 

 

 

A-20

Powerware® 9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C

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Powerware 9390 operation manual Table N. Maximum DC Input Circuit Breaker Ratings

9390 specifications

The Powerware 9390 is a high-performance uninterruptible power supply (UPS) designed for critical applications in data centers, telecommunications, and other industries requiring maximum uptime. This UPS system is renowned for its durability, efficiency, and advanced technological features, making it an ideal choice for environment-sensitive operations.

One of the standout characteristics of the Powerware 9390 is its modular architecture. This design allows for scalability, enabling businesses to tailor the power supply to fit their specific needs. Users can add or remove power modules as demand fluctuates, ensuring optimal performance without overspending on unnecessary capacity. The system is available in various power ratings, typically ranging from 40 kVA to 750 kVA.

Among the key technologies utilized in the Powerware 9390 is the Advanced Battery Management (ABM) system. This innovative feature helps extend battery life by monitoring and optimizing charging cycles. The ABM technology uses an intelligent three-stage charging process, significantly reducing battery wear while ensuring high availability of power during outages. This enhancement not only improves reliability but also lowers maintenance costs over time.

Energy efficiency is another hallmark of the Powerware 9390, as it incorporates double-conversion technology to maintain voltage stability. This ensures that sensitive electronic equipment is protected from surges and fluctuations in power supply. Additionally, the UPS offers high input power factor and low harmonic distortion, contributing to overall energy savings while minimizing the environmental impact.

The Powerware 9390 is equipped with advanced monitoring and management features that allow users to maintain complete control over their power infrastructure. An intuitive LCD display provides real-time metrics on system performance, battery status, and operational logs. Furthermore, the UPS can be integrated with network management systems, enabling remote monitoring and management via web interfaces.

In terms of safety characteristics, the Powerware 9390 adheres to rigorous industry standards, ensuring that it provides reliable performance under various operating conditions. Its robust construction and redundant components further enhance reliability, making it a popular choice in mission-critical environments.

In conclusion, the Powerware 9390 stands out as a leader in the UPS market, combining modular scalability, advanced battery management, energy efficiency, and robust safety features. Its ability to adapt to the needs of dynamic organizations while providing reliable power protection makes it an invaluable asset for any critical application. With its state-of-the-art technologies, businesses can depend on the Powerware 9390 for continuity, efficiency, and peace of mind.