Question 1

What type of UPS is this?

Accepted Answer

This is an online double-conversion C-series UPS with sine-wave output. Normal online mains/battery transfer is 0ms. Ordinary models in this listing have no built-in isolation transformer.

Question 2

How do I select an online UPS for home network backup?

Accepted Answer

The featured C1KS is rated 1kVA / 0.9kW. List the connected equipment in both kW and kVA, including peak demand and planned expansion. Confirm supply phase, voltage, connectors and backup duration before selecting a UPS and battery configuration.

Question 3

What is the difference between K and KS models?

Accepted Answer

K standard models contain internal batteries. KS long-backup models use external batteries matched to the load and required runtime. The two versions have different weights and may have different cabinet dimensions.

Question 4

Can a standard model also use external batteries?

Accepted Answer

Our compatible standard models can retain their internal batteries and add a matched external bank. Confirm the exact UPS model, DC voltage, battery type, charger capacity, connectors and protection before selecting the bank.

Question 5

How do 10kVA, 15kVA and 20kVA versions differ?

Accepted Answer

C10K and C10KS use single-phase input and output. The confirmed 15kVA and 20kVA versions are 3C15KS and 3C20KS, with three-phase input and single-phase output and external batteries. C10K in this listing is the C10K-LCD-B16 internal-battery version.

Question 6

Does every model include an isolation transformer?

Accepted Answer

The tower models in this listing have no built-in isolation transformer. Sine-wave output does not by itself provide galvanic isolation.

Question 7

Can all office equipment share one UPS?

Accepted Answer

Check the total load and equipment compatibility. High-surge printers, motors and other loads require separate review. Confirm the supply circuits and which devices require backup.

Question 8

Which communication ports and output connections are included?

Accepted Answer

Rear panels vary by model. RS232, USB, RS485, SNMP, dry contacts, sockets and terminal blocks are confirmed for the selected model and order. A covered position in a photo does not mean the interface is fitted.

Question 9

What does the 0ms transfer specification mean?

Accepted Answer

It describes transfer between normal online mains operation and battery operation as specified in the manual. Bypass switching, overload behaviour and maintenance arrangements must be checked separately for the selected model.

Question 10

What is the warranty and what should I send for a quotation?

Accepted Answer

UPS warranty is one year. Send the full model or required capacity, input phase and voltage, output voltage, load details, backup duration, connectors, monitoring needs and destination. Battery inclusion, packing, lead time and service details are confirmed in the quotation.

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Frequency Compatibility

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Generator Compatible

Cold Start

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