Ideal Application
Telecommunications
End User equipment sensitive to the power supply interferences
All critical environment which needs stable, reliable and uninterruptible true sine wave power supply
Features & Benefits
SPWM technology, true sine wave output.
Advanced anti-jamming technology, highly efficient filter, good electromagnetism compatibility, compatible with all kinds of communication equipment.
Good adaptability of RC and RL loads.
Automatic bypass. Transfer time is less than 8ms when failure. It allows supplying power to the load without interruption.
LCD displays the operating status of inveter, load and battery capacity etc.
Monitoring software offers several different communication and connection options(RS232 and SNMP) to manage your inveter.
Modular design allows for quick repair and easy field upgradeability.
Extra low noise and good overload capability Applications Telecommunications.
End user equipment sensitive to the power supply interferences.
All critical environment which needs stable, reliable and uninterruptible true sine wave power supply.
Technical Specifications
Model
48V for telecom
110V for railway
220V for electric power
S1KVA-3KVA
D4KVA-D20KVA
E1KVA-E30KVA
Capacity
1KVA-3KVA
4KVA-20KVA
1KVA-30KVA
DC Input
Voltage Rating
48V
110V
220V
Votlage Range
40~57V
92~131V
184~261V
Ripple
<40mV
<40mV
<40mV
AC Input
Phase
Single Phase + GND
Voltage
220V± 20%
Frequency
50Hz± 5%
AC Output
Voltage
220V± 1%
Frequency
50Hz± 1%
Waveform
True Sine Wave
THD
<3%(Linear Load)
Transmission Interference Limit
0.15~0.5MHz, Peak Value<79dB, Average<66dB
0.15~30MHz, Peak Value<73dB, Average<60dB
Efficiency
>80%
Overload capability
When Load Current Is Greater Than 120% Rated One, Inverter Automatically Transfers to Bypass After 20s,
And Then Automatically Recovers or Restarts.
Transfer Time
0ms
Noise
<55dB
Protection
DC Input
Low DC Shut Down
Over Temp
When Internal Temperature >85, Automatically Transfers to Bypass
Short Circuit
Current Limitation, Fuse and Breaker Protection
Fault
Automatically Transfer to Bypass
Alarm
Bypass Failure
Beep Every 4S, Silent After 30s
DC Low
Beep Every 1s
Overload
Overload Indicator Flashs, Long Beep
Fault
Fault Indicator On, Long Beep
LCD/LED
LCD
Display AC Input/Output Voltages, Frequency, DC, Input/Output Wattages
LED
Utility, Normal, Overload, DC Low, Fault
Interface
RS232/SNMP
Environment
Temperature
0~40
Humidity
20%~90%(Non-comdensing)
Insulation Resistance
EN50081, EN55022
HI POT
EN50081, EN55022
SME is active worldwide in Mechanical & Electrical Appliances and Electric. The company develops, produces and sells innovative products and services that help improve the quality of power. SMEs products are used in a wide range of end-markets and applications, such as Power supply; Aeronautics; Railway industry; Medical equipment industry; Aircraft; Lift; Auto etc. SMEs strategy focuses on accelerating profitable and innovative growth of the companys specialties portfolio. The key drivers of this strategy are market-driven growth and innovation plus an increased presence in emerging economies.
The SME business is organized into three divisions: Machine, Electrical and Electric as well as related equipment. Each division serves a global market, focusing on its specific customer segments.
SME has 3 manufacturing sites distributed in China. With its own sales office in Shanghai, supported by some 20 staff and dealers worldwide, its e-business marketplace and global distribution system, SME is always close to its customers for the supply of both products and services.
SME was founded in 1991 and from the very beginning focused intensively on quality, technical development and marketing. The results of the Company's efforts in the area of research and development have LED to a growing number of innovations that has created new standards and new products in the mechanical&electrical world.
The Company has a global IS0 14001 environmental certification. Its operations have been approved for quality certification in accordance with either ISO 9000 or QS 9000.
Please contact SME today by e-mail or telephone for any further concerns/questions. Our customer service representatives are available to assist you between 9A. M. - 6 p. M. CST, Monday through Friday.
