Which UPS should I choose for a video surveillance system of 8-16 cameras?

For a typical system with IP cameras and an NVR, a single-phase online UPS with a power of 1-3 kVA is sufficient. The exact calculation depends on the consumption of the cameras, the recorder and the network equipment — our specialists will do the calculation for free.

What is the difference between an online UPS and a line-interactive one?

An online UPS (double conversion) constantly powers the load from the inverter, fully isolating it from grid interference and surges — this is the highest level of protection. A line-interactive UPS switches to the battery only when the voltage goes beyond the permissible limits, which creates a brief power break of the order of a few milliseconds.

Can I replace the batteries in a UPS myself?

In most models the batteries are user-replaceable (hot-swap), however for correct operation it is recommended to entrust the replacement to a service specialist — they will check the condition of the cells, update the charge parameters and test operation under load. SAT Solutions performs UPS service throughout Tashkent and Uzbekistan.

Is a UPS needed if the facility has a diesel generator?

Yes, a generator and a UPS solve different tasks. A generator starts in 10-30 seconds — during this time the equipment is already de-energized. The UPS provides instant switching and powers the load for the entire generator startup time, eliminating equipment failures and reboots.

How do I organize remote monitoring of a UPS?

For remote monitoring, SNMP cards or network cards are used, which connect to the local network and transmit data about the UPS status, battery charge level and load parameters to a monitoring system or to e-mail. The SAT Solutions catalog features the corresponding monitoring cards for compatible UPS series.

UPS & power — buy in Tashkent

Loading…

UPS & power — guide & FAQ

UPS and power supply are the foundation of the reliable operation of any security infrastructure and low-current systems. Uninterruptible power supplies, power distribution units, PoE injectors, power monitoring and management modules ensure the continuous operation of video surveillance, access control, server equipment and telecommunications nodes even during grid failures. Buying a UPS and related power supply equipment in Tashkent with professional selection and installation is offered by SAT Solutions.

The quality of the power grid in Uzbekistan remains uneven: voltage surges, brief dips and complete outages can disable expensive equipment or interrupt the operation of security systems at a critical moment. A properly selected UPS protects equipment from overvoltage, smooths out interference and provides autonomous operation for the duration of switching to a backup source or full operation for several hours. For facilities with high continuity requirements — banks, data centers, industrial enterprises — high-power three-phase online UPSs are used. For office and retail facilities, single-phase solutions of 1-10 kVA are more often sufficient.

The choice of a power supply solution depends on the system topology, the total load, the autonomy requirements and the presence of server racks. The SAT Solutions catalog features more than 73 items — from compact PoE injectors and voltage sensors to powerful 20 kVA rack UPSs with three-phase input and output, SNMP monitoring cards and intelligent PDU power outlet units.

How to choose

UPS topology type: online (double conversion) provides the highest level of protection — the load is always powered from the inverter; line-interactive UPSs are suitable for less critical tasks. For server rooms and video surveillance systems, an online topology is recommended.
Power in kVA and kW: sum up the consumption of all connected equipment and add a 20-30% margin. For small NVRs with cameras, 1-3 kVA is sufficient; for server racks and large data centers, solutions from 10 kVA and above are necessary.
Number of phases: single-phase (1:1) UPSs are used for office and retail equipment; three-phase (3:3 or 3:1) — for industrial load, powerful server systems and facilities with a three-phase input.
Form factor: floor-standing UPSs are convenient in the absence of server racks; rack models save space and simplify management in telecommunications cabinets.

UPS & power

UPS & power — guide & FAQ

How to choose

Applications

Brands and models in the catalog

Frequently asked questions