Powerware PW9155 10 kVA UPS with 32 Battery Modules and Transformer Module (3-High)

The Eaton Powerware PW9155 UPS delivers premium online backup power and scalable battery runtimes for IT and electrical engineering infrastructure across corporate, health care, banking, and industrial environments. Engineered to pack maximum battery runtime into a compact footprint, the PW9155 is a complete power protection solution designed to keep critical systems online during outages, power sags, and voltage fluctuations. This 10 kVA UPS combines robust reliability with modular design, making it an ideal choice for data centers, networks, and mission-critical equipment that require consistent, clean power and minimal space requirements.

• The PW9155 provides online, double-conversion UPS protection that maintains a stable, high-quality power supply to critical devices, ensuring seamless operation during power disturbances.
• With 32 battery modules, this unit offers scalable runtime to meet the demands of extended outages, giving IT teams more time to safely shut down systems or continue operations during interruptions.
• A compact footprint paired with a 3-high modular Transformer Module design optimizes space in data centers, server rooms, and electrical closets without sacrificing performance.
• Suitable for a wide range of applications—from enterprise IT networks to healthcare, banking, and industrial facilities—the PW9155 is built to protect sensitive loads in demanding environments.
• Designed for serviceability, the architecture supports efficient maintenance and quick battery replacements, helping minimize downtime and simplify ongoing upkeep.

Technical Details of Powerware PW9155 10 kVA 32 Battery w/Trans. Mod. (3-high)

• Power rating: 10 kVA
• Battery modules: 32
• Configuration: 3-high modular design with Transformer Module
• Topology: Online double-conversion UPS
• Applications: IT infrastructure, data centers, healthcare, banking, industrial environments

How to install Powerware PW9155 10 kVA UPS

Installing the PW9155 is a straight-forward process designed for reliability and ease of maintenance. Begin by selecting a suitable installation site with ample cooling and ventilation, a stable floor capable of supporting the unit’s weight, and easy access for service personnel. Decide whether you will mount the UPS in a rack, cabinet, or stand-alone configuration based on your space constraints and load requirements. Verify that you have a compatible power source and distribution path that matches the unit’s input ratings and outlet plan. Before installation, review local electrical codes and ensure all safety protocols are observed, including disconnect procedures and lockout/tagout practices for maintenance personnel.

Unpack and inspect the unit for any shipping damage. Install the PW9155 on a solid surface or into an appropriate rack/cabinet with the recommended mounting hardware. Route cables neatly to minimize obstruction to airflow and reduce tripping hazards. Connect the UPS to the input power source first, following the manufacturer’s wiring diagram and color-coding guidance. After the primary connections are secure, attach the protected load circuits to the UPS output, ensuring that power distribution is balanced and does not exceed the unit’s capacity.

With electrical connections in place, install and connect the battery modules. The PW9155’s battery system is designed to support straightforward maintenance, so follow the recommended sequence to connect each module and verify that all interlocks and monitoring sensors are functioning. Once the hardware is in place, power on the UPS and perform a basic self-test as described in the user manual. Confirm that the UPS reports normal operation, with no fault indicators on the display or management interface. Finally, configure the management interface or software to monitor runtime, voltage, load, and battery health. Establish alert thresholds, perform a simulated outage if appropriate in a controlled environment, and ensure the transfer to battery operation proceeds without disruption to connected equipment.

Ongoing maintenance is key to long-term performance. Schedule regular inspections of battery health, firmware updates for the control software, and periodic runtime tests to confirm that the scalable battery runtime meets your expectations under load. Maintain clean, dust-free air around the unit to prevent overheating, and ensure that ventilation pathways remain unblocked. If you plan to expand runtime or modify the load, consult the PW9155 documentation for supported configurations and safe operating practices.

Frequently asked questions

• Q: What is the Powerware PW9155? A: The PW9155 is a 10 kVA online UPS with 32 battery modules and a Transformer Module in a 3-high configuration, designed to deliver reliable backup power and scalable runtimes for IT and electrical infrastructure across multiple industries.
• Q: What kind of environments is the PW9155 best suited for? A: It is ideal for data centers, enterprise IT networks, healthcare facilities, banks, and industrial operations where continuous power, protection against disturbances, and space efficiency are critical.
• Q: How does the scalable runtime benefit my operation? A: The 32 battery modules provide extended runtime options, allowing you to tailor backup duration to your outage tolerance and business continuity plans, reducing the risk of data loss and service interruption.
• Q: Is the PW9155 easy to service? A: Yes. Its modular design supports straightforward battery replacement and maintenance, minimizing downtime and enabling faster service cycles.
• Q: What maintenance considerations should I plan for? A: Regular inspections of battery health, firmware updates, and periodic runtime tests are recommended. Ensure proper ventilation, keep the area clean, and follow safety procedures during installation and service.