Description
Quick summary: The EVI 20kVA / 18kW tower three-phase online UPS uses double-conversion technology to supply clean, stable pure sine-wave power with zero transfer time when mains power fails. Best for: protecting computers, routers and servers from power cuts.
Overview
The EVI 20kVA / 18kW tower three-phase online UPS uses double-conversion technology to supply clean, stable pure sine-wave power with zero transfer time when mains power fails. It is built for servers, network racks, medical and industrial equipment, and other loads that can’t afford interruptions.
Key features
- True online double-conversion design with zero transfer time
- Pure sine-wave output for sensitive equipment
- Wide input voltage range to handle unstable mains power
- LCD display for load, battery and status information
- Supports external battery extension for longer back-up time (model dependent)
- Optional SNMP card for remote monitoring
EVI 20000VA / 18000W Tower Online 3 Phase UPS specifications
| Brand | EVI |
|---|---|
| Type | Online double-conversion UPS |
| Output waveform | Pure sine wave |
| Transfer time | 0 ms |
| Capacity | 20000VA / 18000W |
| Form factor | Tower |
| Phase | 3 phase in / 3 phase out |
| Model | EP-UPS20000Y33OT |
| Part number / SKU | EP-UPS20000Y33OT |
| Condition | Brand new |
How it compares
Similar options in the same range, to help you pick the right one:
| Product | Key specs |
|---|---|
| EVI 20000VA / 18000W Tower Online 3 Phase UPS (this item) | Capacity: 20000VA / 18000W; Type: Online double-conversion UPS |
| EVI 10000VA / 9000W Tower Online 3 Phase UPS | Capacity: 10000VA / 9000W; Type: Online double-conversion UPS |
| EVI 40000VA / 36000W Tower Online 3 Phase UPS | Capacity: 40000VA / 36000W; Type: Online double-conversion UPS |
Who it’s for
- Protecting computers, routers and servers from power cuts
- Shops, banks, clinics and offices
Frequently asked questions
How long will the UPS run my equipment?
Back-up time depends on how much power you connect. A lightly loaded UPS runs much longer than one near its full rating. Tell us what you want to power (PCs, routers, servers) and we’ll recommend the right size.
What’s the difference between line-interactive and online UPS?
Line-interactive UPSs correct small voltage dips and switch to battery during outages – ideal for PCs and routers. Online (double-conversion) UPSs power equipment from the inverter all the time, giving zero transfer time and clean power for servers, medical and lab equipment.
Is this product brand new and genuine?
Yes. It is a brand-new, genuine EVI product supplied in its original packaging.
Do you deliver in Nairobi and across Kenya?
Yes. Computer Accessories Kenya offers free delivery within Nairobi for orders of up to 5 items, and countrywide delivery to all counties from KSh 500 depending on location. Returns are accepted within 7 days.
Buy the EVI 20000VA / 18000W Tower Online 3 Phase UPS in Kenya
Order online from Computer Accessories Kenya (computeraccessories.co.ke) and pay securely at checkout. We offer free delivery within Nairobi for orders of up to 5 items, countrywide delivery from KSh 500 depending on your county, and 7-day returns. Need help choosing? Contact our team before you order.







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