Single Phase Online UPS 1kva 2kva 3kva 5kva 6kva 1000va 2000va 3000va UPS Backup Power Supply for Home
Description
Introducing, the WTHD’s Single Phase Online UPS, the ultimate backup power supply for your home. With models available in 1kva, 2kva, 3kva, 5kva, and 6kva capacities, as well as 1000va, 2000va, and 3000va options, you can choose the perfect size to meet your needs.
Whether you're looking to protect your electronics, appliances, or important data, the WTHD’s Single Phase Online UPS has got you covered. Say goodbye to sudden power outages and voltage fluctuations that can damage your devices - with this UPS, you can rest easy knowing that your equipment is safe and your power supply is reliable.
Equipped with advanced technology, the WTHD’s Single Phase Online UPS provides seamless power backup without any interruptions. Its online double conversion design ensures that your devices receive clean and stable power, protecting them from damage and ensuring optimal performance.
Installing the WTHD’s Single Phase Online UPS in your home is quick and easy, with simple plug-and-play functionality that requires no technical expertise. Its compact and lightweight design makes it easy to place anywhere in your home, whether it's in your living room, bedroom, or home office.
In addition, the WTHD’s Single Phase Online UPS is built to last, with high-quality components that are designed to withstand continuous use and provide long-term reliability. With a sleek and modern design, this UPS will blend seamlessly into your home decor while providing essential backup power when you need it most.
Don't let unexpected power outages and voltage fluctuations disrupt your daily routine. Invest in the WTHD’s Single Phase Online UPS and enjoy peace of mind knowing that your home electronics and appliances are protected. With a range of capacities to choose from, you can find the perfect UPS backup power supply for your home today

Model WTHD-U11 |
C1K - S |
C2K - S |
C3K - S |
C6K - S |
C10K - S |
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Rated power (KVA/KW) |
1KVA/1000W |
2KVA/2000W |
3KVA/3000W |
6KVA/6000W |
10KVA/10000W |
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Main Input
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Phase |
Single-phase - 1L+N+PE |
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Input Voltage (Vac) |
110/120/127/220/230/240 |
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Voltage range |
High voltage version : 85~300VAC ±5VAC
Low voltage version : 55-145VAC ±3VAC
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Frequency range |
44Hz~56Hz or 54Hz~66Hz |
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Bypass voltage |
High voltage version : 115~285VAC× 1±3%
Low voltage version : 80~140VAC× 1±3%
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Power factor |
≥0.99 |
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Output
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Phase |
Single-phase(1L+N+PE) |
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Rated voltage |
High voltage version :220/230/240VAC±2%
Low voltage version :110/120/127VAC±2%
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Output frequency |
50/60Hz |
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Power Factor |
1 |
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THDV% |
Sine wave THD<2%>
Sine wave THD<4%>
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Overload capacity |
(Line Mode):105~125% 1Min,125~150% 30 s, >150% 0.5ms
(Battery Mode):105~125% 1Min,125~150% 30 s, >150% 0.5ms
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Efficiency
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Mains mode |
93% |
94% |
96% |
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battery mode |
90% |
91% |
95% |
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Battery input
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Battery voltage |
24V/36V |
48V/72V |
72V/96V |
192V/240V(option) |
192V/240V - option |
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Battery capacity ×quantity |
12V/7AH
×2pcs/
External battery
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12V/7AH
×4pcs/
External battery
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12V/7AH
×6pcs/
External battery
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12V/7AH
x16/20pcs/
External battery
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12V/7AH
x16/20pcs/
External battery
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Charging current |
Standard machine (battery built-in): 1A |
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Long-term machine (external battery): 1~12A |
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Communication and monitoring functions |
RS232, Network monitoring card, dry contact, MODBUS monitoring card,optional |
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Certification |
EN/IEC 61000, EN/IEC 62040, GB/T4943. YD/T1095, TLC |









We can provide OEM and ODM customization services according to customers' requirements
We look forward to your cooperation. Thank you





Q2: What kind of certification do you have?
ISO9000, ISO14001, CE, ROHS, Thiel, etc.
Q3: Product coverage and industries:
Industrial online UPS, high frequency online UPS,
Modular UPS 1kVA ~800kVA UPS for any industrial and application.
Q4: About the batter.
Provide one-stop battery solutions; lead-acid and lithium batteries are available.
Q5: Do you accept OEM/ODM?
Yes, the entire series supports ODM/OEM, and the minimum order quantity is flexible.
Q6: About warranty.
The warranty period is 1 to 3 years, and the battery warranty is 1 to 3 years; differentiate between different products and models.
Q7: Can I participate in bidding projects?
We support large-scale project bidding, authorized manufacturing, project design and more.
Q8: Are there overseas branches?
Currently, the Southeast Asia Division, the Eastern Europe Serbia Division, and the Middle East Division are set up.