Can I connect the device remotely?

Yes, it supports USB and optional LAN interfaces for remote control.

What payment methods are accepted?

We accept T/T and PayPal for international commercial transactions.

Does it have over-voltage protection?

Yes, it includes comprehensive over-voltage protection and standard timing output.

3503 Programmable DC Power Supply for School Lab Use

Name: Three Channels Button Adjustable 32V/3.2A 32V/5.1A High Load Regulation Sk3323/3325 /3503 Programmable DC Power Supply for School Lab Use
Brand: Shijiazhuang Suin Instruments Co., Ltd.
SKU: 1913261432

Hebei, ChinaShijiazhuang Suin Instruments Co., Ltd.

US$240.00-286.00

1 SET

Sample price:US$240.00/set.Request sample

Product profile

Customization

Available

Warranty

18 Months

OEM/ODM

Yes

Model NO.

SK3323/3325/3503

Power

Max 342W

Voltage/Current

32V/3.2A 32V/5.1A

Channels

Display Digits

Ovp

Yes

Timing out

Yes

Display Resolution

10mv/10mA

Auto Switch of Serial and Parellel

Yes

Transport Package

Carton Package

Specification

226*140*303/226*140*333

Trademark

SUIN

Origin

China

HS Code

8504401400

Production Capacity

30, 000 Sets/Year

Key features

Comprehensive Protection: Features over-voltage protection and standard timing output for safety.

Multi-Channel Output: Three independent channels with up to 342W maximum power capability.

Clear LED Display: 4-digit LED display shows voltage, current, and power simultaneously.

Flexible Connectivity: Includes USB charging interface and optional LAN remote interface.

Serial Parallel Switch: Auto switch function allows flexible series and parallel connection modes.

OEM/ODM Support: Customization options available for power, voltage, and current specifications.

Extended Warranty: Comes with an 18-month warranty period for peace of mind.

Company profile

Shijiazhuang Suin Instruments Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2008-09-02Nearest Port: Beijing, Tianjin, ShanghaiAverage Response Time: ≤2.14hTerms of Payment: T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF, CIP, CPT, FCA, EXW

AI-Powered supplier vetting

SummaryShijiazhuang Suin Instruments Co., Ltd. is a China-based manufacturer of test and measurement instruments, operating since 1990 with 95 employees and a stated manufacturing area of approximately 11,000–12,000 square meters. The supplier reports ISO9001 certification, CE and RoHS approvals for most products, two production lines, annual capacity of up to 30,000 sets, and lead times within 15 working days in both peak and off-peak periods. Its product range includes signal generators, spectrum analyzers, programmable power supplies, digital multimeters, power quality analyzers, and related testing systems. Evidence indicates established R&D and engineering resources, export capability, and recognized technical centers. However, the provided information does not substantiate specific after-sales performance, customer cases, financial strength, or completed customization projects.

Supplier typeThe supplier is explicitly identified as a manufacturer and limited company based in Hebei, China. Its stated business scope and product listings cover test and measurement instruments, electrical products, software, and related systems.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate, while its description also states ISO9001:2000 certification and CE and RoHS approval for most products. This provides explicit evidence of quality-system certification and product compliance coverage, although the slices do not identify which specific products hold each approval.

R&D capabilityThe supplier explicitly conducts R&D and has received recognition including high-tech enterprise status, industrial design centers, an academician workstation, and an engineering research center. It also reports 25 years of R&D engineer experience and an electronics-instrument technical center, providing strong evidence of established innovation resources.

Production capacityThe supplier reports an approximately 11,000–12,000 square meter operating or manufacturing area, an SMT production line, two production lines, annual capacity of up to 30,000 sets, and order lead times within 15 working days in both peak and off-peak seasons. These stated facilities, capacity, and lead-time data support a positive assessment of production capability.