Do you test products before delivery?

Yes, all products undergo strict testing for 6-8 hours before dispatch to ensure quality.

What is the output waveform?

The UPS provides a pure sine wave output, suitable for sensitive equipment like computers and telecom systems.

3kVA Online UPS Pure Sine Wave with LCD Display Backup Power for Home and Office PC

Name: 3kVA Online UPS Pure Sine Wave with LCD Display Backup Power for Home and Office PC
Brand: Shenzhen UPSEN Electronic Co., Ltd.
SKU: 767256302

Guangdong, ChinaShenzhen UPSEN Electronic Co., Ltd.

US$100.00-280.00

1 Piece

Product profile

Customization

Available

Phase

Single Phase

Type

On-line

Model NO.

Queen Star Series 1K-3KVA

Protection

Overvoltage

Application

Communication

Classification

Lighting/Power

Standby Time

Long-acting Machine

Standby UPS

Sine Wave Output UPS

Output Capacity

Small Type

Brand

Upsen or OEM

Output Wave

Pure Sine Wave

Display

Large-Screen LCD

Wave Form

Pure Sine Wave

Certification

Ce & ISO & RoHS

Transfer Time

0ms

Equipped with Maintenance Bypass Switch.

Yes

Active Input Power Factor Correction

Yes

Warranty

2 Years

Input Voltage

115 - 300VAC

Delivery Time

7-10 Days

Transport Package

Carton

Specification

CE & ISO Certificate

Trademark

UPSEN or OEM

Origin

China

HS Code

8504402000

Production Capacity

60, 000PCS/Month

Key features

Pure Sine Wave Output: Provides clean power with true online double conversion technology and 0.8 output power factor.

Zero Transfer Time: Ensures uninterrupted power supply with 0ms transfer time and DSP technology.

LCD Display & Monitoring: Features a large-screen LCD display and supports USB, SNMP, RS485, and AS400 monitoring.

Wide Input Voltage Range: Accepts input voltage from 115-300VAC, offering high adaptability to unstable power grids.

Maintenance Bypass Switch: Equipped with a maintenance bypass switch for safe repair and continuous operation.

N+X Parallel Redundancy: Supports N+X parallel redundancy to enhance system reliability and scalability.

2 Years Warranty: Comes with a 2-year warranty covering mechanical defects and providing peace of mind.

OEM/ODM Service: Offers free OEM service and ODM service for volume orders to meet custom needs.

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: ≤8.33hTerms 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.