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500VA UPS Prices and Specifications

500VA rated UPS from Server Room Environments including line interactive and standby uninterruptible power supplies. The output connections are typically plug and play sockets. Please refer to the specification for each UPS model or contact us for further information. The UPS have tower or desktop or a dual format and are designed to protect workstations, servers and IT network peripherals including Internet of Things (IoT) applications.

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500VA UPS Power Connections, Output Sockets and Mains Power Cords

A 500VA UPS will typically have IEC320 C13 outlets on the rear panel. An IEC320 C13 is rated at 10A maximum and the total load capacity of the UPS should be exceeded. The IEC outlets may be grouped into two different groups to allow load shedding during a power outage, to increase the amount of battery support time available from a smaller load. Some UPS manufacturers use universal sockets or supply their 500VA UPS with BS1363 UK or Schuko socket outets.

The UPS may be supplied with 1 or two IEC320 to IEC320 power cords. A mains power power cord will connect the UPS to a mains power supply using a in the UK a BS1363 3 square pin plug.

500VA UPS Battery Runtimes

A 500VA UPS will have an internal battery. Some of these UPS have an external battery pack connector for longer runtimes or the UPS has to be overized to deliver 500VA for a longer runtime. The amount of battery runtime available is dependent upon the load placed onto the UPS and the age, battery charge % and ambient environment.

500VA UPS Sizing and Single Phase Power Supplies

The standard UK single phase mains power supply voltage in the UK is 230Vac 50Hz. When connected to a 230Vac supply a 500VA UPS will be able to supply 2.17Amps in total (230Vx2.17Amps=500VA).

500VA UPS Installation Checklist

This is not an exhaustive list but provides some general check points when preparing to install a 3kVA uninterruptible power supply.

  • Calculate the actual load to be connected to the UPS. Formula Volts x Amps = VA or kVA.
  • How many output sockets are required and their type? 10A C13 or 16 C19 or hardwired.
  • Estimate the amount of battery back up time required. 5-10 minutes should be sufficient for an orderly systems shutdown and longer may require additional battery extension packs if the critical loads are to run for longer. For an IP connection a UPS SNMP card will be required.
  • Rack mount or Tower format. If a rack UPS is required calculate the U-height that the UPS will take up in a server cabinet (including additional battery extension packs) and note the maximum depth of the UPS system as you will require a server cabinet that can accommodate this.
  • UPS preventative maintenance planning. Will you need a UPS maintenance bypass to allow the UPS to be isolated without disruption to the connected critical loads.
  • UPS warranty and maintenance contracts. Warranties vary from 24months to 36 and longer. A UPS maintenance contract will provide emergency cover with a callout within a set working hours time or next day or a clock hour basis, and the contract should include an annual preventative maintenance plan.

Server Room Environments provides a complete project managed service including UPS site surveys, turn-key systems including PDUs (power distribution), UPS maintenance bypasses, network interfaces for remote monitoring, standby power generators for extended backup times, UPS installation and maintenance contracts.

Please contact our projects team for further information.


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