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MR-US3320K-H

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Marsriva / UPS

MR-US3320K-H

Marsriva MR-US3320K-H Online High Frequency UPS

Key Features
  • True Online Double Conversion with 0ms Transfer Time & Pure Sine Wave
  • 20KVA/20KW Output (PF 1.0) with 3-Phase Input/Output + High Efficiency up to 95.5%
  • External Battery Compatible for Long Run Backup + Parallel Redundancy (up to 4 units)
  • LCD Display, RS232/USB/EPO, Intelligent Charging, Wide Input Range & 1 Year Warranty
Brand Marsriva
Category UPS
Model MR-US3320K-H
Availability In Stock
General
UPS Type Online UPS (True Double Conversion, High Frequency, DSP Controlled, 3-Phase)
Color Black
Power
Capacity 20KVA
Rated Power 20KW (Power Factor 1.0)
Input Voltage 3 × 400VAC (3Ph+N) / 230VAC (1Ph+N), Wide Range 110–300 VAC (50% load), 176–280 VAC (full load)
Output Voltage 3 × 360*/380*/400/415 VAC (3Ph+N)
Output Frequency 50/60Hz ±0.1% (Battery Mode)
Waveform Type Pure Sine Wave
Transfer Time 0 ms (to Battery), 4 ms (to Bypass)
Efficiency Up to 95.5% (AC Mode), ~91.5% (Battery Mode)
Battery
Battery Type Sealed Lead-Acid, Maintenance-Free (External)
Battery Capacity External Battery Bank (configurable, compatible with 12V lead-acid)
Battery Quantity External (Voltage configurable, typically 192V DC or higher for long run)
Backup Time Long Run (Depends on external battery bank — minutes to hours)
Battery Voltage Configurable DC Bus (typically 192V or as per external setup)
Interface
AC Output Port Terminal Block (3Ph+N)
DC Output Port None
USB Port Yes (USB + RS232, EPO, Smart Card Slot)
PoE Output No
Connector Type 3-Phase Input/Output Terminal
LED Indicator Yes (LCD Multifunction Display)
Power Button Yes
Protection
Overload Protection Yes (with timed levels)
Short Circuit Protection Yes
Overcharge Protection Yes
Surge Protection Yes
Overheat Protection Yes
Features
Auto Restart Yes (Auto restart when AC recovers)
Cold Start Yes
AVR Support Not required (True Online Double Conversion)
Silent Mode Low noise operation (<50dB)
Smart Charging Yes (Intelligent 3-stage charging, adjustable)
Physical
Dimensions Approx. Standard Tower / Rack compatible (check exact 438 × 88 × xxx mm series style for similar models)
Weight Heavy (Net weight typically 50+ kg without batteries)
Material Metal Housing
Warranty & Support
Warranty 1 Year Official Warranty
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