Online Ups

R Series, Single Phase UPS, 1/2/3 kVA

Reliable power supply for small and medium enterprises

Delta’s Amplon R series is an online double-conversion rack-mountable UPS providing consistent sine-wave power to your critical equipment and reliable protection for IT equipment and data centers. The R series offers an output power factor of 0.9 and a best-in-class AC-AC efficiency of up to 93% for greater energy savings. The Amplon R series leads the industry in combining compact size, availability, flexibility, and low total cost of ownership.


Double-conversion technology.

In-built galvanic isolation transformer

Automatic input frequency.

AC-start and battery-start capabilities

Comprehensive LC Display for monitoring of all UPS Parameters and operating mode / status

Suitable for severe utility conditions (Commercial, Residencial & Rural sites)

High recharging capability increases availability.

Suitable for short (in-built batteries) as well as long (external batteries) backup

Additional in-built battery charging capabilities upto 12A

Smart slot to support Mini SNMP /Mini ModBus /Mini Relay I/O Interface for mission critical applications

In-built maintenance bypass switch for online maintenance in Addision to static bypass (automatic)

Option of Air filters for dusty environment.

High input power factor (IPF> 0.97) and low iTHD saves on installation cost

Wide input voltage range and stable power supply extends battery life

High energy efficiency saves on operative cost and electricity bill.

Product available regions : EMEA, South America, SEA, India, China, Korea Because product specifications vary slightly from region to region, please download your local leaflet or visit your local website for detailed product information.

R-1K / R-2K / R-3K
Power Rating
[1K]: 1kVA/0.9kW
[2K]: 2kVA/1.8kW
[3K]: 3kVA/2.7kW
Nominal Voltage
200*/208*/220/230/240 Vac
Voltage Range
175 ~ 280 Vac (full load)
80 ~ 175 Vac (50% ~ 100% load)
50/60 Hz ± 10 Hz
Power Factor
> 0.99 (full load)
Current Harmonic Distortion
< 3%
Power Factor
200*/208*/220/230/240 Vac
Voltage Regulation
± 1% (linear load)
50/60 Hz ± 0.05 Hz
Voltage Harmonic Distortion
< 3% (linear load)
Overload Capability
< 105%: Continuous
105 ~ 125%: 1 minute
125 ~ 150%: 30 seconds
[1K]: IEC C13 x 4
[2K]: IEC C13 x 6, IEC C19 x 1
[3K]: IEC C13 x 6, Terminal (EMEA model)
[3K]: IEC C13 x 6, IEC C19 x 1 (SEA model)
[1K]: 91%
[2K/3K]: Up to 93%
ECO Mode
[1K]: 95%
[2K/3K]: Up to 96%
Battery Voltage
[1K]: 24 Vdc
[2K]: 48 Vdc
[3K]: 72 Vdc
Charge Current
4A (up to 8A with optional inbuilt charger)
Audible Noise**
[1K]: < 40 dB
[2K/3K]: < 43 dB
LCD display and LED indicators
Communication Interfaces
Mini Slot x 1, RS-232 Port x 1, USB Port x 1
Dimensions (WxDxH)
[1K]: 440 x 335 x 88 mm
[2K]: 440 x 430 x 88 mm
[3K]: 440 x 430 x 88 mm
[1K]: 5.3 kg
[2K]: 9.0 kg
[3K]: 9.1 kg
Operating Temperature
0 ~ 50°C***
Relative Humidity
5 ~ 95% (non-condensing)
* Linear de-rating between 40%~90% load at 100Vac~175Vac.
** Linear de-rating between 40%~100% load at 100Vac~194Vac.

All specifications are subject to change without prior notice.