This high-frequency online uninterruptible power supply (UPS) is a power guarantee equipment designed specifically for industrial equipment, commercial offices, data centers, and other scenarios. It adopts online dual conversion technology, which can achieve zero millisecond switching between mains power and battery power supply, completely eliminating the damage of power problems such as voltage fluctuations, surges, and power outages to load equipment
Product Parameter
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Low Frequency Online UPS |
SRS-U-3310 |
SRS-U-3315 |
SRS-U-3320 |
SRS-U-3330 |
SRS-U-3340 |
SRS-U-3360 |
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Rated capacity ( KVA/KW ) |
10/8 |
15/12 |
20/16 |
30/24 |
40/32 |
60/48 |
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Main Input |
Phase |
Three-phase five-wire (3L+N+PE) |
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Input Voltage (Vac) |
380/400/415 |
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Voltage Range (Vac) |
±25% |
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Frequency range (Hz) |
45～65 |
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Power factor |
>0.95 (with filter) |
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Bypass Input |
Phase |
Three-phase five-wire (3L+N+PE) |
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Input Voltage (Vac ) |
380/400/415 |
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Voltage range (Vac) |
+10%, +15%, +20% (can be set); -10%, -20%, -30% (can be set) |
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Input Frequency (Hz) |
50 (60) +10% |
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Output |
Voltage (Vac) |
380/400/415 ±1% |
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Power factor |
0.8 |
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Frequency (Hz) |
Automatically track bypass frequency |
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Waveform |
Sine wave THDV less than 2% (pure linear load) |
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Switching time (ms) |
0 ms |
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Overall efficiency |
≥91% |
≥92% |
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Overload capacity |
105%~110%: 60min to bypass; 110%~125%: 10 min to bypass; 125%"150%: 1 min to bypass; >150%: 10s to bypass |
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Battery |
Battery voltage (Vac) |
384 (348 optional ) |
384 (348/360 optional ) |
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Environment |
Operating temperature (°C) |
-10～40 |
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Storage temperature (°C) |
-25^55(without battery) |
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Relative humidity |
0～95% (no frosting) |
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Working altitude |
< 1500m, use derating according to GB/T3859.2 |
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Noise (dB) |
<55(1 meter from the device) |
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Other features |
Alarm function |
Output overload, mains abnormality, UPS failure, battery undervoltage, etc. |
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Protective function |
Output short circuit, overload, over temperature, battery under voltage, output over and under voltage, fan failure alarm |
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Communication function |
Standard: RS232/RS485 ,Optional: SNMP/JBUS/MODBUS/Dry Contact |
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Mechanical features |
Dimensions (W*D*H mm) |
300*600*810 |
400*750*1010 |
450*810*1160 |
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Net weight (kg) |
84 |
106 |
113 |
177 |
195 |
270 |
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Executive standard |
YD/T1095-2017 |
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Product feature and application
Key Features of Our UPS
Pure online dual conversion architecture, uninterrupted switching to battery power supply in case of abnormal mains power, ensuring continuous operation of equipment.
Wide voltage adaptation
110-300VAC wide input range, suitable for harsh power grid environments, avoiding frequent switching of battery modes.
Equipped with overload, short circuit, overvoltage, undervoltage, overheating protection, automatic alarm and shutdown, protecting UPS and load equipment.
The conversion efficiency in online mode can reach up to 93%, reducing energy consumption; Intelligent sleep technology extends battery life in battery mode.
LCD display screen, real-time display of input and output voltage, load rate, battery level and other parameters; Support remote monitoring (optional).
It can be used in various scenarios.
Production details
1.Precision circuit design: modular layout, optimized heat dissipation ducts, effectively reducing body temperature, suitable for long-term high load operation.
2.Battery management system: intelligent charging curve, avoiding overcharging and overdischarging, increasing battery cycle life by more than 30%.
3.Strict quality control process: Each UPS undergoes a 72 hour aging test, high and low temperature test, and overload test, with a factory pass rate of 100%.
4.Humanized structural design: supports rack/tower installation, compatible with standard cabinets; Front operation panel, convenient for daily viewing and maintenance.
Product Certification
This product strictly follows international and domestic quality standards and has passed multiple authoritative certifications
FAQ
Q: What is the difference between pure online UPS and backup UPS?
A: Pure online UPS always supplies power through inverter output, with a conversion time of 0ms, suitable for precision equipment with high requirements for power stability; Backup UPS is usually powered directly by mains power, and switches to batteries after mains power interruption, with a conversion time of about 2-10ms, suitable for loads such as ordinary computers.
Q: How to extend the backup time of UPS?
A: It can be connected to a large capacity battery pack externally, and the specific configuration needs to be calculated based on the load power and required endurance time. Our engineers can provide customized solutions.
Q: Can UPS be used outdoors?
A: The standard model has a protection level of IP21 and is suitable for indoor use; If outdoor installation is required, it can be paired with rain and dust resistant cabinets, or customized with high protection level models.
Q: How long is the service life of UPS?
A: The overall design lifespan of the machine is 5-15 years, while the battery lifespan is relatively short. Generally, lead-acid batteries have a lifespan of 2-5 years, while lithium batteries can last up to 10 years, mainly depending on the usage environment, maintenance methods, and battery type.
Q: Do you provide installation and after-sales support?
A: Provide a complete set of installation manuals and videos.
Packing & Shipping
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