MD Series Low Frequency Online UPS 1kva - 15kva, 20kva - 30

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Basic Info

Place of Origin:	China

Product Description

MD Series Low Frequency Online UPS 1kva - 15kva, 20kva - 30kva with RS232 / RS485

MD series is single phase in and single phase out low frequency online UPS, we can supply ups power range from 1KVA-30KVA .

Main features :
●Nice interface design, LCD display the UPS operating status.
●Built in control board design, have on need of any adjustment, easy to maintenance.
●Overload protection: When overload, setting to auto-transfer, Overload detection and reset, ●if overload vanish, auto-transfer to UPS.
●Soft start-up protection: When turn-on ups or after turn-off discharge restoration powersupply for ups, avoid transient varying output.
●Double reserve power supply system, operation reliability, to ensure power supply or precision equipments.
●RS232 communication interface, provide intelligent supervisory software to ups.
●The card insertion add-on SNMP(option), support remote supervisory for network.

Applications:

MD-A series is single phase in and single phase out online UPS, mainly for the IT device, date center, telecommunication , bank computer, ATM equipment, office industrial equipment and armarium equipment , elevator , Sensitive electronic equipment and so on.

Specifications:

Type	MD-1	MD-2	MD-3	MD-4		MD-6	MD-8	MD-10	MD-15	MD-20	MD-30
Range(KVA)	1	2	3	4		6	8	10	15	20	30
Input capacity(A)	6	12	18	24		35	45	57	86	114	172
Working	Pure sine wave
Phase	1phase+N+G
Voltage	220VAC±25%(MD mode);220VAC±10%(ECO or MD mode)
Frequency	50Hz±10%,60Hz±10%(MD mode); 50Hz±5%,60Hz±5(ECO or MD mode)
THD	＜5%
Soft start	0~100% 5S
Output voltage	55 VDC				220VDC
Set the DC voltage by soft	42-60 VDC/200~232VDC(change them by the professional engineer with the soft )

2.Battery and charge parameters

Type	MD-1	MD-2	MD-3	MD-4	MD-6	MD-8	MD-10	MD-15	MD-20	MD-30
MAX current(A)	24	48	71	24	36	48	60	90	120	179
Battery type	maintenance-free lead acid battery
Battery numbers	4pcs			16pcs
DC voltage	48VDC			192VDC
Float voltage	55VDC/220VDC (once of three months charge ,charge voltage 56.8/232VDC)
Charge power	Rated power*20%(automatically change follow the batteries )

3.Inverter parameters

Type	MD-1	MD-2	MD-3	MD-4	MD-6	MD-8	MD-10	MD-15	MD-20	MD-30
Rated power	Capacity ×0.8(KW)
Phase	Single phase(L+N+G)
Voltage	220±1%(state load),220±5%(fluctuate load)
Frequency	50Hz±0.5%,60Hz±0.5%(with battery)
Output frequency stability	＜±0.5%(no in phase)
Input frequency	50Hz±5%
Crest factor	3:1
Wave	Sine wave
Output waveform	Sine wave ,linear load<3%;non-linear load<5%
Dynamic characteristics	＜±5% (0←→ 100% load )
Recover time	＜10MD
Overload	125% 1min,150% 1S
Inverter efficiency	≥95% (load 100%)

4.BAYPASS parameters

Type	MD-2	MD-3	MD-4	MD-6	MD-8	MD-10	MD-15	MD-20	MD-30
Phase	Single phase
Voltage	220VAC±25%(MD mode) 220VAC±10%(ECO or MD mode)
Frequency	50Hz±10%,60Hz±10%(MD mode ) 50Hz±5%,60Hz±5%(ECO or MD mode )
Transfer time	<1MD (inverter←→ bypass)

5.Systerm parameters

Type	MD-1	MD-2	MD-3	MD-4	MD-6	MD-8	MD-10	MD-15	MD-20	MD-30
Efficiency	＞80%( 100% load)
Communication	RS232/RS485, (SNMP option)
Temper	0~40℃
Relative humidity	30%~90%

Height(MAX)	＜1000m(a 1% decrease against 100 meters’ rise. Altitude 4000m MAX)
Cooling –down method	COMPULSIVE VENTILATION (with temperature control)
Noise dB	40~50			50~55				55~60
Cabinet colors	grey(option other colors)
Input place	under/back
Easy to maintain	top/left or right side open
Cabinet size W×D×H(mm3)	210×495×500			210×580×540		380×680×900				430×750×1050
Weight(kg)	38	45	60	105	138	155	185		215	245	318
Input mode	With the line connection
Output mode	With the line connection

Competitive Advantages

1.Pure sine wave output, true online double conversion
2.Wide input voltage range
3.With output current isolation transformer
4.Can be set to ECO mode
5.Adopt the fourth layer PCB, and SMD technology
6.Sixth generation IGBT, much higher efficiency, lower temperature, more reliable
7.Full protection, overload, over voltage, short circuit, over temperature etc
8.Cold start
9.Generator compatible
10.With RS232 and RS485 standard collocate,
11.Option SMMP and dry contact connection

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UPS Backup Power