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3 Phase Pure Sine Wave UPS 50 / 60Hz Double Conversion Online UPS With Thyristor Based Static Bypass

Categories Industrial UPS Power Supply
Brand Name: Daxin
Model Number: DX-3H310K-800K
Certification: ISO9001,CE,3C,FCC,TLC,IP55
Place of Origin: Shenzhen,China
MOQ: 1 set
Payment Terms: T/TD/A,Western Union,Paypal,etc
Supply Ability: 3000pcs/month
Delivery Time: 20-40 days
Packaging Details: Woodcase
Price: Negotiation
Product Name: Pure Sine Wave UPS
Capacity: 8K - 640K W
Transfer time: 0ms
Wave type: Pure Sine Wave
Frequency range: 50/60Hz ± 10%
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3 Phase Pure Sine Wave UPS 50 / 60Hz Double Conversion Online UPS With Thyristor Based Static Bypass


3-Phase Pure Sine Wave Double-Conversion Online UPS Series with Thyristor-Based Static Bypass


Product introduction:


This UPS system delivers pure sine wave output through a double-conversion online topology, providing critical loads with voltage-stabilized, frequency-regulated power free from grid disturbances. During grid failures, it seamlessly inverts battery energy to maintain uninterrupted output.

Featuring a high-frequency double-conversion design with an output isolation transformer and advanced fully digital control technology, it ensures stable, clean, and reliable power. The user-friendly interface supports customizable configurations and real-time monitoring, while integrated communication options include MODBUS, RS232, and expandable intelligent slots for flexible connectivity.


The system architecture integrates:

  • Rectifier and inverter modules for AC/DC/AC conversion.
  • Static bypass and maintenance bypass circuits.
  • Battery charge/discharge management.
  • Reverse-parallel thyristors for swift grid-to-bypass switching.

Engineered for precision and resilience, this UPS guarantees mission-critical power continuity in industrial, data center, and telecom environments.


Technical Parameters:


Input
Rated Voltage3x380VAC/400VAC/415VAC (3 - phase + N - line)
Voltage Range285VAC - 475VAC
Frequency Range50/60Hz ± 10%
Output
Output Voltage3x380VAC/400VAC/415VAC (3 - phase + N - line)
Voltage StabilitySteady - state: ±1% typical value; Transient: ±5% typical value (load change 100 - 0 - 100%)
Frequency Synchronization Range50/60Hz synchronization, ±1% when mains lost, ±0.1Hz
Frequency Tracking Rate±1Hz/s
Output WaveformSine wave
Total Harmonic Distortion (THDv)<2% (linear load), <5% (non - linear load)
Phase Unbalance120±1% (balanced load), 120±2% (50% unbalanced load)
Overload Capacity110% - 150% can operate for 10min - 1min; 150% - 160% can operate for 1min - 200ms; >160% can operate for 200ms
Peak Factor3:01
Protection or LimitationExtreme overload/short - circuit; Effective voltage limitation; Inrush current; Peak voltage limitation
Rectifier EfficiencyOnline Mode: 89%, 90%, 91%, 92%
Battery Mode: 90%, 91%, 92%, 93%
Bypass
TypeStatic switch
Voltage/Frequency3x380VAC/400VAC (3 - phase + N - line) / 50/60Hz
Inverter to Bypass Switching TimeSynchronous mode: 0ms, Asynchronous mode: 10ms
Overload Capacity150% - 180% for 1h - 30s; 180% - 200% for 30s - 200ms; >200% for 200ms
Switch to BypassOverload 160%: Immediate switch
Return to InverterAutomatic switch after alarm clearance
Maintenance Bypass
Type/Voltage/FrequencyUninterrupted (sealed lead - acid battery) / 3x360 - 400 - 420V (3 - phase + N - line) / 50/60Hz
Battery & Charging
Number of Battery Cells (12V)29/30/31/32 (adjustable)
Charging MethodOptional: Constant voltage charging/Constant current charging
Charging CurrentDefault 10A, Maximum: Capacity/Battery Voltage

Default 10A, Maximum 40A


Application:

  • Security Devices
  • Educational Facilities
  • E-Commerce Platforms
  • Transportation Networks
  • Laboratory Equipment
  • Emergency Backup Systems
  • Medical Devices

3phase pure sine wave online UPS

Features:


  • Rectifier and inverter modules for AC/DC/AC conversion.
  • Static bypass and maintenance bypass circuits.
  • Battery charge/discharge management.
  • Reverse-parallel thyristors for swift grid-to-bypass switching.
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