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1-3KVA Online high-frequency UPS power supply

Brand: RENDA
Model: RDNU1-3KVA
Updated: 2016/4/26
  • Product description
  • Scope of application
  • Product features
  • Technical parameters

Excellent performance, simple appearance, perseverance, online double transformation design, DSP digital technology, illustrating the integration of cutting-edge technology and traditional products. It is the preferred product for small and medium-sized servers and computer rooms.

◆  先进的DSP数字控制技术的应用，使UPS的性能更加稳定，品质更加优越。

◆  负载功率因数为0.8，适合用电设备的发展趋势，带载能力更强。

◆  有源输入功率因数校正（PFC），输入功率因数高达0.98以上

◆  宽输入电压频率范围极宽的输入电压和频率范围，适应电力环境非常恶劣的偏远地区。

◆  可搭配发电机。

◆  冷启动功能。

◆  零切换，有效保证了负载运行的安全性和可靠性。

◆  强大的监控，标配RS232通信接口和智能插槽，可扩展 SNMP卡、RS485、AS400卡、EMD环境监测器等。

Product model
Technical characteristics and parameters
RDNU1K-24
RDNU1KL
RDNU2K-48
RDNU2KL
RDNU3K-72
RDNU3KL
Rated output capacity
1000VA/800W
2000VA/1600W
3000VA/2400W
Communication
Enter
Input method
Single-phase grounding
Rated voltage
220Vac
Rated frequency
50Hz
Input voltage range
115~300VAC±5
Input frequency range
（45~55）±0.5Hz
Bypass voltage
80VAC×(1±5%)～285VAC×(1±5%)
Battery
Enter
Battery pack voltage
36VDC
(Optional 24V, 48V).
72VDC
Optional (48V, 96V).
96VDC
Optional (48V, 72V).
Number of battery units
3
Optional (2,4).
6
Optional (4,8).
8
Optional (4,6).
Fallback time (half/full).
Half load≥ 10 minutes, full load ≥5 minutes (standard type).
The maximum inrush current is input at power-on
< 150% of rated current
Battery charging time
5 hours to 90% (standard type).
Depends on external battery pack capacity (long-lasting type).
 
Communication
Output
 
Output mode
Single-phase grounding
Output voltage
220Vac±3% (inverter output).
Output frequency
50±5Hz (when AC input is normal).
50Hz±1% (when AC input is abnormal).
Dynamic voltage transients
<5%.
Dynamic transient recovery time
< 60ms
Waveform
Sine wave THD <3% (linear load).
Sine wave THD <8% (nonlinear load).
Output power factor
0.8
Overload capacity
The 130% load lasts for not less than 30s, and the recovery point is 90% load
Output current peak factor
3：1
Inverter bypass transition time
< 4ms
Communication and monitoring functions
RS232 (485), dry node, smart slot (expandable SNMP, SMS and other monitoring methods).
Audio noise
< 55dB (1 meter).
Weight (kg).
12
6.5
23
10.5
28
11.5
Size (W*D*H).
145×220×355
190×318×433
190×318×433
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