Shanghai, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
10000000 RMB
Plant Area:
501~1000 square meters
Management System Certification:
ISO 9001, ISO 14000
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available

Low Frequency UPS, Isolated Transfer UPS, Digitized Control UPS manufacturer / supplier in China, offering Sun-33t Series Transformer Based Online UPS (10-120kVA), High Frequency Online UPS (1-20kv), UPS, Uninterruptible Power Supply, Online UPS, 1/1, 3/1 1kVA/0.8kw and so on.

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Supplier Homepage Products Online LF UPS Sun-33t Series Transformer Based Online UPS (10-120kVA)

Sun-33t Series Transformer Based Online UPS (10-120kVA)

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Min. Order / Reference FOB Price
1 Piece US $3,200-6,000/ Piece
Port: Shenzhen, China
Production Capacity: 30000PCS/Year
Payment Terms: L/C, T/T
Phase: Three Phase
Type: On-line
Protection: Overvoltage
Application: Communication
Classification: Lighting/Power
Standby Time: Long-acting Machine

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Basic Info

Standby UPS: Sine Wave Output UPS
Output Capacity: Large Type
Equipment Mode: Centralized Model
Brand: Supstech
Appearance: Low Frequency Design with Isolated Transformer
Input Voltage: 380VAC+N+W, 3 Phase
Crest Ratio: 3:1
Trademark: SUPSTECH
Transport Package: Standard Export Packing
Specification: CE; ISO9001; ISO14000
Origin: Shenzhen Guangdong
HS Code: 8504402000

Product Description

SUN-33T Series Low Frequency / Transformer Based Online UPS (10-120KVA)
Sun-33T(10-120KVA) Series is multi-CPU Full Digitized 3 Control Technology 3 Phase Online UPS. It has parallel redundancy feature with isolated transformer to ensure high reliability and stability. It is true LF double conversion online structure, and isolated transformer effectively suppresses and isolates utility surge voltage and impacts to load devices.

High Performance Index

Advanced Rectifier and IGBT Inverter Technology. Online 3 Phase double conversion structure to adapt 380/400/415V and 50/60 Hz Mains Grid Supply Systems.

Wide Input Range from 286 Vac to 476 Vac. High Adaptive Capacity to Mains Grid Supply System and Different kind of Loads. High Overload Ability -- can still working under 120% Overload for long lasting, 150% Overload for more than 1 minutes.

System Overall Efficiency Upto 85%

Intelligent Charging Management Design with Equalized Charge, Float Charge and Temp. Compensator to extend battery lifetime

Intelligent Fault Diagnosis system with large storage memory of fault histories

Friendly and Intuitive User Interface. Large LCD Screen with multi-functional buttons.

Safe and Reliable

Sun-33T Series UPS use CPU+ CPLD full-digitized control to operate all power conversion sections during operations.

Output Isolated Transformer Built-in. It can reduce impacts and interferences from Load Harmonic Wave Current and N-Wire Voltage.

90% of system components are from international famous brands. All devices has been aged and fully tested for at least 24 hours before leaving the factory.

Rich Accessories

Multiple communication interfaces integrated (RS232, RS485, Dry Contact, EPO, Etc.) ;

Optional SNMP communication adapter available

Compatible applications/loads

Sun-33T series are designed for large essential equipment application environment, such as data processing center, middle-large size information computing center, process control system of manufacturing industry, telecommunication equipment.

Host Machine Specification
UPS  StructureOnline Double Conversion
AppearanceLow Frequency Design with Isolated Transformer
Overall Efficiency (AC-AC)> 85%
Noise( In 2 Meters )< 50-60dB
Working Temp.-10-40ºC
Storage Temp.-25 ~ 60ºC( without   batteries )
Humidity< 95% Non-condensing
Safety StandardEN50091-1/IEC950
EMC StandardEN 50091-1/2
Parallel   RedundancyParallel  Redundancy Upto 8 Units
ProtectionOverload, Short-Circuit, Over Temp., Utility Power Voltage   High/low, BAT Voltage High/low
DC StartAvailable
Generator CompatibilityAvailable
DisplayLCD Display( Multi-Language   with all kinds of messages ) +LED
Cabinet StandardIP20
Cooling SystemIntelligent Speed Control Cooling Fan
Elevation<1000M without Derated
Rectifier Specification
Input Voltage380Vac+N+W, 3 Phase
Input Voltage Range285-475Vac
Input Frequency Range45-65Hz
Output Specification
Output VoltageLine Voltage: 380×( 1 ± 1% ) AC or Phase Voltage: 220 ×( 1 ± 1% ) AC
Output Power Factor0.8
Output Voltage Regulation380Vac± 1% ( Static Load ); 380Vac ± 2% ( 50-0%   Sudden Change ); 380Vac ± 3% ( 100-0% Sudden Change )
Output Frequency±8% at 50Hz: Online Mode tracking input and   bypass frequency
±0.1%: when input or   bypass frequency is more than ± 8% or under BAT Mode
Distortion<1%( Linear Full   Load ), <3% ( Non - Linear Full Load )
3 Phase UnbalancedAllow 3 Phase 100% Unbalanced
Output Volt. Unbalanced Degree1 °( Balanced Load ),≤ 2 °( 50%   Balanced Load )
Input/Output Phase Swift1 °( Balanced Load ),≤ 2 °( 50%   Balanced Load )
Frequency Tracking Range45-65Hz
Output WaveformPure Sine Wave
Overload> 125%: More than 10 mins; > 150%: More than 60 Secs 
Crest Ratio3∶ 1
Short-CircuitCircuit Auto- Protection , Bypass Switch Tripping
Output AbnormalINV. Output   Auto-Locked Protection
Bypass Specification
Static Bypass Transfer Time0ms
Static Bypass Input Range 380Vacatic  Bypass    Range  
Frequency Tracking Speed50/60Hz ±1Hz, ±2Hz,    ±3Hz  Selectable
Bypass --> INV Transfer Time2ms
Frequency  Tracking   Speed0.5-2hz/s
Manual Maintenance  Available Bypass
Battery Specification
TypeSealed Lead Acid Maintenance Free
BAT Rated Volts/Units12V,384Vdc /32 Units
Float Charge Vottage438Vdc
BAT LowShutdown Protection
Communication Port
Communication PortRS232/SNMP/485/Dry Contact( Optional Accessory )
Remote SoftwareMulti-functional Monitoring System, Online and BAT Mode Status,   BAT Fault, Remote Control
Physical Parameters
Size mm( W × H × D )430× 1030 × 985800×1385×755800×1800×878
Net Weight Kg217230250288330450550630750

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