Do you test all goods before delivery?

Yes, all our products have more than 6~8 hours for againg, and strict test before dispatch

Is there a minimum order quantity (MOQ)?

Low MOQ, 5 pieces for sample checking is available.

Can I place a sample order?

Yes, sample order is acceptable to test and check quality for the first cooperation

How to proceed with an order?

Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirm the samples and places deposit for formal order. Finally, We arrange production.

Hot Popular Pure Sine Wave Single Phase 3kVA Double Conversion Online UPS for Networking System

Name: Hot Popular Pure Sine Wave Single Phase 3kVA Double Conversion Online UPS for Networking System
Brand: Shenzhen UPSEN Electronic Co., Ltd.
SKU: 1973986371

Guangdong, ChinaShenzhen UPSEN Electronic Co., Ltd.

US$216.00

10-49 Pieces

US$208.00

50-99 Pieces

US$202.00

100-299 Pieces

US$200.00

300+ Pieces

Sample price:US$250.00/piece.Request sample

Product profile

Customization

Available

Phase

Single Phase

Type

On-line

Model NO.

Sun Star Series 3KVA

Protection

Overvoltage

Application

Home Applications

Classification

Onlline UPS

Standby Time

Standard Machine

Standby UPS

Sine Wave Output UPS

Output Capacity

Large Type

Equipment Mode

None

Brand

Upsen

Nominal Input Voltage

208/220/230/240VAC

Frequency

50/60 Hz

Input Power Factor

>0.99

Output Wiring System

Single Phase (L/N+PE)

Output Voltage

208/220/230/240VAC ±2%

Output Waveform

Pure Sine Wave

Transfer Time

Oms

Nominal Voltage

72V

Battery Voltage /Capacity

6*12V/7ah

Backup Time

Half Loaded>8minutes, Full Loaded ≥3minutes(Sta

Transport Package

Carton

Specification

29.5X46X43.5 cm

Trademark

UPSEN

Origin

Guangdong China

HS Code

8504402000

Production Capacity

50, 000PCS/Month

Key features

Pure Sine Wave Output: Provides clean power with pure sine wave output for sensitive networking equipment.

Double Conversion Online: Online double conversion technology ensures zero transfer time and stable power supply.

High Efficiency & Quality: Strict material control meeting CE standards with independent testing for low fault rates.

OEM/ODM Service: Free OEM service available; ODM service available for volume orders.

Comprehensive Warranty: 1% free unit or 2% free parts provided for timely warranty service.

Professional R&D Team: Engineers with average bachelor degree upgrade products every 1.5-2 years.

Pre-Delivery Testing: All products undergo 6-8 hours aging test and strict inspection before dispatch.

Low MOQ for Samples: Low minimum order quantity of 5 pieces available for sample checking.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedExhibition Experience

Shenzhen UPSEN Electronic Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2009-04-08Nearest Port: ShenzhenAverage Response Time: ≤6.37hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): CFR, CIF, CIP, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a stated factory location, nine production lines, reported UPS and inverter output, and 21–30 quality-control staff. It has ISO9001:2015 certification and CE/RoHS product certification capability. Service processes, complaint handling, corrective actions, quality assurance, and material traceability are documented as established. The supplier supports several customization models and reported new products during the past year, but does not offer ODM services, provide SDKs, or provide OEM services for popular brands. Overseas infrastructure is limited: it reports no overseas warehouse, showroom, agent, or branch, and lists zero countries for overseas services. Financial records are referenced for 2022–2024, but the supplied information does not provide enough detail to assess financial strength. No customer cases are explicitly provided.

CertificationsThe supplier reports an ISO9001:2015 certificate and capability for CE and RoHS product certification. These are explicit certification-related credentials, although the slices do not separately confirm the validity scope or issuing details of each certification.

After-Sales capabilityThe supplier reports written and followed procedures for service capability, corrective and preventive actions, and customer complaints, together with quality assurance and material traceability. However, it reports zero countries for overseas services and no overseas warehouse, showroom, agent, or branch, indicating limited documented overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year and 21–30 years of total R&D-engineer experience, supporting some R&D activity. It has no available SDK, and the slices do not provide a quantified R&D team size, patent record, or development performance data.

Production capacityThe supplier reports nine production lines, annual output of 600,000 UPS pieces and 1,000,000 inverter pieces, and 21–30 quality-control staff. It also reports quality assurance and raw-material traceability, providing explicit evidence of production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It does not provide ODM services, but the listed customization options demonstrate broad stated customization capability.

Product Q&A

Q:What is the packing method?

Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, We can pack the goods in your branded boxes after getting your authorization letters.

Q:What are the terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q:What are the terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q:How long is the delivery time?

Generally, it will take 7-20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:Do you provide OEM and ODM services?

Yes, we can provide free OEM Service, and ODM Service is available for volume order too.