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  • Country of origin : China
  • Brand : SANTAK
  • Model : 3C3 EX
  • Certification : CE,UL
  • Warranty : 1 year
  • Packing : Export wooden
  • Delivery time : 15 working days
  • Payment terms : T/T
  • Loading port : Shenzhen/Guangzhou
  • MOQ : 1 PCS
SANTAK 20-80kVA Uninterruptible Power Supply


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Castle C20K(S)~3C80KS, adopts the double conversion online architecture ideal for resolving all issues on power supply. This state-of-the-art solution is especially designed for eliminating the power loss, extra high or low voltage of utility power, voltage sags or damped oscillation, high-voltage pulse, voltage fluctuation, surge voltage, harmonic distortion, clutter immunity, and frequency fluctuation etc., delivering safe and reliable power supply guarantee for user's load.

Castle C20K(S)~3C80KS is a powerful product range with high adaptability and flexibility. Its cut-edge digital control technology of DSP (Digital Signal Processor), can greatly improve the product performance and system reliability, and deliver a compact integration with higher power density. Meanwhile, Castle C20K(S)~80C20KS is especially tailored for all customer's personalized demands to provide powerful scalable functions. The unit can be flexibly configured on user's demands.


Item 3C3 EX 20KS ISO 3C3 EX 30KS ISO 3C3 EX 40KS ISO 3C3 EX 60KS ISO 3C3 EX 80KS ISO
Rated power 20kVA/16kW 30kVA/24kW 40kVA/32kW 60kVA/48kW 80kVA/48kW
Input Voltage 210-475VAC
Frequency 40-70Hz
Phase 3 pahse(L1+L2+L3+N+G)
THD I 3%
input PF >0.99
Dual AC input Sopport
Battery Type Valve regulated lead acid battery (VRLA) 
Back up time According the capacity of the battery you select
Output Voltage 380/220VAC
Frequency ,50/60Hz
Phase 3 pahse(L1+L2+L3+N+G)
output PF 0.8
over-load capacity 125% 10min
150% 1min
Efficiency Commercial power  93% 94%
Battery mode 93% 94%
ECO mode 98%
Display LCD English/Chinese simplied
input&output voltage,current,frequency,faulty alarm
LED run mode
Fan automatic adjustable yes
Alarm device Buzzer sound and light
Communication  RS232,AS400,RS485,Service,EPO,battery temperature compensate port
environment temperature 0-40°C
humidity ≤95%(0-40°C±2,No condensation )
Weight Net weight 82/208kg 110kg/275kg 114kg/314kg 282kg 306kg
Gross weight 122kg/248kg 160kg/325kg 164kg/364kg 356kg 380kg
Dimension WXDXH 420X630X956 470X710X1150 600X8001150
Standard EMC:GB7260.2/IEC26040-2    GB/T17626.2-5 IEC61000-4-2~5

Tailored for China Grid Environment

Output power factor up to 0.8 – applicable to the tendency of future load evolution, and deliver higher payload capability. Total power factor up to 90% can minimize the power loss of UPS and utilization cost for user. Active power factor correction (PFC) technology allows the input power factor approaching to 1, dramatically reducing the immunity on utility grid. Wider range of input voltage tailored for China grid can be suitable to all severe environments. Excellent input frequency range makes UPS suitable to different power supply devices, i.e. generator set.

Flexible Configuration on Demand

High Scalability: fully meet the customer's demands. Online Intervention: safe and online intervention without any power supply interruption to load. Emergency Power Off (EPO): UPS can be instantly shut off in case of any emergency. Parallel Kit: realize the parallel extension and redundancy function, offer more flexibility and safety for user's power supply planning. Dust-proof Kit: Increases the dust-proof level in industrial environment. Isolating Transformer: offer isolation protection for the user.

*For specific configuration, please contact the technicians of Santak.

Compact Design, Lower Noise

With leading control technology and craftsmanship, this UPS can greatly increase the power density and reduce the footprint, therefore save more expensive space in your office environment. Additionally, its lower noise during operation can allow you a more comfort working environment.

Intelligent Management

Intelligent battery management

With its advanced intelligent charge control mode, UPS can automatically select the optimal charge mode as per the battery type and conditions, thus further maximizing the lifespan of battery bank. In addition, the system can periodically conduct the charge & discharge management for the battery bank. User also can select the battery voltage (192V or 240V) on demands. The user can query and set the proper UPS control parameters for intelligent UPS management. It may automatically identify and adapt to 50/60Hz power supply system, fulfilling the requirements in various power supply systems. Perfect failure protection and alarm function: provide complete failure protection and clear alarm notification function in case of I/O over-voltage or under-voltage, battery over-charge or under-voltage, overload, and short circuit.

High Reliability

Its cut-edge digital control technology of DSP (Digital Signal Processor) can deliver higher quality, performance and reliability. Higher payload and overload capability, better load compatibility, and suitable for various load type. Powerful Interference immunity capability in compliance with EMC requirements of IEC61000-4, deliver your device a clean electric environment.

Rich Communication and Monitoring Features

Provide RS232 interface and communication cable for local or remote power supply management. Provide intelligent slot available to Santak's Web Power (SNMP), CMC, or AS400 card (dry contact) for remote management and monitoring function.

User Manual download


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