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  • Mst Series Line Interactive Three Phase Ups - China

    price: contact company for price

    Three phase input and output Wide input voltage range: +25%, -35%

    Economic line-interactive design, pure sine wave output . Replaceable

    mini CPU board, easy for maintainence. ~100% unbalanced load capability

    Individual AVR function. Individual Charger function, can charge

    battery without UPS 'ON'. Battery reverse connection detection/cutoff

    (optional). SMT technology. USB/RS232 optional RJ45/RJ11 optional SNMP

    optional CE certified. MST PURE SINE WAVE 3 PHASE UPS(3-

    200K) Model No. MST3K MST6K MST10K MST15K MST20K MST30K MST(40-

    200K) VA Rating 3kVA 6kVA 10kVA 15kVA 20kVA 30kVA (40-200)kVA Power

    Rating 2.1kW 4.2kW 7kW 10.5kW 14kW 21kW (28-140)kW Technology Line-

    interactive Input Rated Voltage 380/400V Volatge Range 380/400V +/- 20%

    Frequency 50Hz +/- 5% Wiring 3 phase 4 wires + GND Power Factor

    According to loading (withou PFC) Current Max. 10A 20A 32A 48A 64A 96A

    128A-640A Output Voltage 380/400V ± 1% (battery mode); 380/400V+/- 10%

    (AC mode) Frequency Synchronous with Input Frequency (AC Mode) 50Hz+/-

    0.2% (AC Frequency exceed 46~54Hz) 50Hz +/- 0.2%Hz(Battery Mode) Wave

    Form Pure sine wave Harmonics <3% (Linear Load, Full Load) Distortion

    <5%(Non-linear Load) Crest Factor 3:1 Power Factor PF=0.7 Battery Type

    Sealed Lead-Acid, Maintenance-free DC Voltage 36VDC 96VDC 192VDC 384VDC

    Charging Voltage 42V 110V 110V 220V 220V 220V 440V Charging Current

    Typical 30A, Maximum 60A adjustable Typical Recharge Time

    ≤8Hours, Charging Up to 90% Backup Time Depending on the external

    battery Protection Overload 110%, >30S on battery mode Battery Low

    Voltage 10.5V(SLA 12V battery) Short Circuit >10ms, shut down Overheat

    >110ºC, shut down Surge yes Overload Capacity 100%-125% for 10 minutes,

    125%-150% for≥1 minute Efficiency 90% Transfer Time AC To DC

    ≤4 ms Inverter To Bypass 0ms Indicators LCD/LED optional Noise

    (at 1m distance) 55 dB 60dB 65dB Alarm System Audiable & LED

    Communication Port RS232/USB/SNMP optional Operating Temperature

    0ºC~40ºC Relative Humidity 10%-90%(non-conden sing) Net

    Weight(Kg) 35 65 75 120 160 240 ... Dimension(Mm) 780X580X1170

    1000X660X1450 1200X900X1820 ...


    Company Contact:


    • Phone: 86076022738816

    • Address: No.67,Tongxing Road West,Dongsheng ,Zhongshan, Zhongshan, China

    • Email: Email


    Published date: August 31, 2012 -

    • Business Description: Staba Electric Co. Ltd, established in 2005, specializes in UPS, automatic voltage stabilizer, voltage converter, surge protector, line conditioner and so on. With our unremitting efforts, Staba Electric becomes the lear of power product industry. Now, we have the critical R&D competence covering Appearance Design, Structure Design including Plastic Mould, Transformer Manufacturing, PC_PLC, Data Communication and Visual Identity.

      We invested 12 percent of our sales turnover in R&D. Our 10 R&D engineers have an experience of five years on average. Thanks to their efforts, two new models can be released monthly. Most products acquired design patents and technical patents and we have unique advanced current zero cross technology. From initial design to engineering evaluation sample, it only takes 30 days according to the your request.

      Based on the know how in clean power supplies, we specially design the power supplies for the audio/video demands: Professional Amplifier, Rack mount AVR and UPS.We have a full range of solutions for our customers, no matter you have ordinary requirement or demanding request.

      Staba believes in the truth that innovation can bring us unexpected experience in life, for this belief, we implement a series of design projects for Energy Saving and Water Saving Products, we regard this as a good start up to realize the intelligent interface of Household Automation.

      Staba is stepping forward to the success milestones one by one with support of the great Staba Team and our loyal customers. We invite you to Join us and Gain the benefit from the products made by our pioneering technology and controlled by systematic management.

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