Model
RT-1K / RT-2K / RT-3K
Topology
Online double-conversion
Power Rating
RT-1K: 1 kVA / 0.9 kW
RT-2K: 2 kVA / 1.8 kW
RT-3K: 3 kVA / 2.7 kW
Input
Nominal Voltage: 208⁽¹⁾/ 220/ 230/ 240 Vac, 1P2W+PE
Voltage Range: 180-280 Vac (100% load); 120-300 Vac (50-100% load)
Frequency: 40-70 Hz
Power Factor: > 0.99 (100% load)
Connection (Std)
RT-1/2K: IEC C14
RT-3K: IEC C20
Output
Nominal Voltage: 208⁽¹⁾/ 220/ 230/ 240 Vac, 1P2W+PE
Voltage Regulation: ±1%
Frequency: 50/60 ± 3 Hz
Total Harmonic Distortion (THDv): < 3% (linear load)
Power Factor: 0.9
Connection
RT-1K: IEC C13 x4
RT-2/3K: IEC C13 x4 + IEC C19 x1
Overload Capability
< 105-110%: 10 mins; 110-130%: 30 secs; 130-150%: 3 secs
Current Crest Ratio: 3:1
Efficiency
Online Mode:
RT-1/2K: 88%
RT-3K: 90%
ECO Mode:
RT-1K: 93%
RT-2K: 94%
RT-3K: 95%
Battery - Standard Runtime Model
Battery Type: VRLA, inbuilt battery
Nominal Voltage
RT-1K: 24 Vdc
RT-2K: 48 Vdc
RT-3K: 72 Vdc
Quantity
RT-1K: 2 pcs
RT-2K: 4 pcs
RT-3K: 6 pcs
Charging Time: 4 hours to 90%
Charge Current: 1 A
Battery - Extended Runtime Model
Battery Type: VRLA, External battery cabinet (Optional)
Nominal Voltage
RT-1K: 38 Vdc
RT-2/3K: 72 Vdc
Parallel Configuration: Up to 4 EBCs
Charge Current: 1/ 2/ 4/ 6 A (configurable)
Communication Interface
Display: LCD display with LED indicators
Port: USB, RS-232, Mini slot (option for mini SNMP, mini MODBUS and mini relay I/O card)
Physical
Dimensions (W x D x H)
RT-1K: 438 x 310 x 86 mm
RT-2K: 438 x 410 x 86 mm
RT-3K: 438 x 630 x 86 mm (Std) / 438 x 460 x 86 mm (Ext)
Net Weight
RT-1K: 10.6 kg (Std) / 5.7 kg (Ext)
RT-2K: 17.9 kg (Std) / 8.4 kg (Ext)
RT-3K: 26.6 kg (Std) / 8.9 kg (Ext)
Packing Dimensions (W x D x H)
RT-1K: 600 x 500 x 240 mm
RT-2K: 565 x 700 x 240 mm
RT-3K: 600 x 760 x 240 mm (Std) / 545 x 760 x 240 mm (Ext)
Packing Weight
RT-1K: 13.9 kg (Std) / 9.4 kg (Ext)
RT-2K: 22 kg (Std) / 12.8 kg (Ext)
RT-3K: 31.5 kg (Std) / 13.3 kg (Ext)
Environment
Operating Temperature: 0 to 50°C (40 to 50°C de-rating to 70% load)
Humidity: 10-90% (non-condensing)
Audible Noise: ≤ 50 dBA
Altitude: 0-3,000 m (derating 1%/100 m from 1,501-3,000 m)
Storage Temperature: -20 to 50°C
Ingress Protection: IP20
Conformance
Safety: CE, UKCA, KC
EMC: IEC 62040-2
Sustainability: RoHS, REACH
(1) De-rating to 70% load
Ext: Extended runtime model
Std: Standard runtime model
All specifications are subject to change without prior notice.

Runtime Table

Standard Runtime Model

1 kVA

Load	90 W	180 W	270 W	360 W	450 W	540 W	630 W	720 W	810 W	900 W
Backup Time	57.5	26.9	16.8	11.9	9.1	7.3	6.1	3.5	3.5	3.1

2 kVA

Load	180 W	360 W	540 W	720 W	900 W	1080 W	1260 W	1440 W	1620 W	1800 W
Backup Time	61.1	28.3	17.7	12.5	9.5	7.7	6.5	3.5	3.5	3.3

3 kVA

Load	270 W	540 W	810 W	1080 W	1350 W	1620 W	1890 W	2160 W	2430 W	2700 W
Backup Time	67.1	29.4	18.1	12.5	10.3	8.2	6.9	3.5	3.5	3.5

Unit: min

(1) Runtime table is estimated based on operation at 25°C with batteries fully charged.

Extended Runtime Model

1 kVA

Load	90 W	180 W	270 W	360 W	450 W	540 W	630 W	720 W	810 W	900 W
UPS+1EBC	87.4	38.2	22.3	15.4	12.0	10.0	8.8	7.7	6.6	5.3
UPS+2EBC	201.9	96.7	59.2	40.6	29.9	23.2	18.8	15.8	13.7	12.2
UPS+3EBC	318.3	158.5	100.2	70.5	52.9	41.4	33.5	27.8	23.6	20.4
UPS+4EBC	435.3	221.2	142.5	102.0	77.6	61.5	50.2	41.8	35.5	30.7

2 kVA

Load	180 W	360 W	540 W	720 W	900 W	1080 W	1260 W	1440 W	1620 W	1800 W
UPS+1EBC	90.8	39.8	23.3	16.0	12.4	10.4	9.1	8.0	6.9	5.7
UPS+2EBC	209.3	100.6	61.7	42.3	31.2	24.3	19.7	16.5	14.3	12.7
UPS+3EBC	329.7	164.6	104.3	73.5	55.2	43.2	35.0	29.0	24.6	21.3
UPS+4EBC	450.7	229.6	148.1	106.2	80.9	64.1	52.3	43.7	37.1	32.0

3 kVA

Load	270 W	540 W	810 W	1080 W	1350 W	1620 W	1890 W	2160 W	2430 W	2700 W
UPS+1EBC	58.8	24.9	15.1	11.2	9.2	7.6	5.8	3.3	2.5	2.0
UPS+2EBC	142.8	65.9	39.2	26.6	19.7	15.6	13.1	11.5	10.3	9.4
UPS+3EBC	229.5	111.3	68.6	47.3	34.9	27.1	22.0	18.4	15.8	14.0
UPS+4EBC	317.1	158.0	99.7	70.0	52.4	40.9	33.1	27.5	23.3	20.2

Unit: min

(1) Up to 4 EBCs can be paralleled.
(2) Runtime table is estimated based on operation at 25°C with batteries fully charged.