What payment terms are accepted?

We accept LC, T/T, PayPal, Western Union, and Money Gram.

What is the input voltage range?

The nominal input voltage is 3 x 380VAC/400VAC, with an acceptable range of 305VAC to 460VAC.

Does the UPS support pure sine wave output?

Yes, the output waveform is a pure sine wave with THDv less than 2% for linear loads.

True Galvanic Isolation Transformer Design Low Frequency Online UPS

Name: True Galvanic Isolation Transformer Design Low Frequency Online UPS
Brand: Shenzhen UPSEN Electronic Co., Ltd.
SKU: 788821625

Guangdong, ChinaShenzhen UPSEN Electronic Co., Ltd.

US$2,543.00-7,475.00

1 Piece

Product profile

Customization

Available

Phase

Three Phase

Type

On-line

Model NO.

Legend Strar Series LS33 10K-100K

Protection

Overvoltage

Application

Industry

Classification

Lighting/Power

Standby Time

Standard Machine

Standby UPS

Sine Wave Output UPS

Output Capacity

Large Type

Equipment Mode

Decentralized

Brand

Upsen

Input Voltage

3 X 380VAC/400VAC (3pH + N)

Input Frequency

46-54Hz or 56-64Hz

Input Power Factor

0.99

Output Voltage

3 X 380VAC/400VAC (3pH + N)

Output Frequncy

50 / 60Hz

Admissible Crest Factor

3:1

Admissible Power Factor

0.6~1 (Inductive or Capacitive)

Capacity

10-100kVA

Net Weight

180-519(Kg)

Waveform

Pure Sine Wave

Transport Package

Carton/Pallet

Specification

CE & ISO Certificate

Trademark

UPSEN

Origin

China

HS Code

8504402000

Production Capacity

1000PCS/Month

Key features

True Galvanic Isolation: Transformer design ensures high reliability and safety for sensitive loads.

Online Double-Conversion: DSP technology guarantees stable output with pure sine wave waveform.

High Efficiency: Overall efficiency reaches up to 93% in both line and battery modes.

Flexible Parallel Operation: Supports parallel connection of up to 4 units for expanded capacity.

Robust Overload Capacity: Handles 150% overload for 1 hour and 180% for 30 seconds.

Adjustable Battery Setup: Battery numbers are adjustable from 29 to 32 pieces for flexibility.

Comprehensive Warranty: Three years warranty with 1% free UPS or 2% free PCB boards.

OEM & ODM Service: Free customization services available to meet specific customer 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: ≤8.07hTerms 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.