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An Online UPS (Uninterruptible Power Supply) is a type of power supply system that provides continuous power to connected devices by converting incoming AC power to DC power and then back to AC. This double conversion process ensures a clean and stable power output, free from disturbances such as voltage sags, surges, and frequency variations. Online UPS systems are typically composed of batteries, inverters, and rectifiers, housed in a robust enclosure for protection and durability.
| Input Voltage Range | 220V to 480V AC |
| Output Power Capacity | 1 kVA to 500 kVA |
| Battery Type | Lead-acid or lithium-ion |
| Efficiency | 90% to 95% |
| Form Factor | Tower or rack-mounted |
| Communication Interfaces | USB, RS-232, SNMP |
When selecting an Online UPS, consider the total power requirements of the devices you intend to connect, ensuring the UPS can handle the load. Specify the desired output power capacity, input voltage range, and battery type based on your operational needs. Additionally, inquire about efficiency ratings and communication interfaces that may be necessary for monitoring and management. Certifications and tolerances may also be relevant depending on your industry standards.
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It provides continuous power and superior protection against power disturbances.
It depends on the battery capacity and load; typically from a few minutes to several hours.
Yes, it is ideal for sensitive equipment due to its clean power output.
Regular battery checks and system diagnostics are recommended to ensure reliability.
Many models allow for external battery packs to extend runtime.
Online UPS provides continuous power through double conversion, while Offline UPS switches to battery only during outages.