What is the measurement accuracy of the device?

The measurement accuracy for the auxiliary power-supply circuit is no larger than 5VA, and each AC input circuit is no larger than 0.5VA.

What is the protection action time?

Under 2-fold instantaneous setting value, the inherent action time for overcurrent or earth current protection is no longer than 35ms.

Where is the company located?

We are based in Zhuhai, Guangdong, China, with a plant area of 15000 square meters.

Mv&Hv Switchgear Protection for Industrialpower Distribution

Name: Mv&Hv Switchgear Protection for Industrialpower Distribution
Brand: ZHUHAI STROM ELECTRIC CO., LTD.
SKU: 2154347732

Guangdong, ChinaZHUHAI STROM ELECTRIC CO., LTD.

US$240.00

1-9 Sets

US$210.00

10+ Sets

Product profile

Customization

Available

Certification

ISO9001, Type Test

Shell Material

Aluminum Alloy

Model NO.

ST260E

Voltage Level

Medium Voltage

Installation

Removable

Structure

Embedded

Current

Selling Units

Single Item

Size

74*110*142

Single Gross Weight

1.500 Kg

Single Package Size

25X18X18.Cm

Frequency

50 Hz,60 Hz

IP Level

IP54

Material

Aluminium Shell

Power Distribution,Industrial,

Power Distribution

Ratedvoltage

24 Place of Origin:Cn;Gua

Rated Voltage

Transport Package

Cardboad Box

Specification

Trademark

STROM

Origin

Guangdong. China

Key features

OEM/ODM Customization: Supports full customization from samples, designs, and flexible minor adjustments.

High Accuracy Measurement: Phase current 0.05A-50A/100A with accuracy no larger than 0.5VA per input circuit.

Fast Protection Response: Overcurrent or earth current protection action time is under 35ms at 2-fold setting.

Robust Communication: Features RS485 communication port and special debugging port for easy integration.

Durable Aluminum Shell: Constructed with aluminum alloy shell, IP54 rated, suitable for industrial environments.

Flexible Power Supply: Supports DC48V/24V or self-powered via phase CT, with low power consumption (<5W).

Certified Quality: ISO9001 certified with Type Test approval, ensuring reliable performance for medium voltage.

Professional Manufacturer: Established in 2002 with 24 years experience, 15000 sqm factory, and 50+ R&D staff.

Company profile

Cooperated with Fortune 500Years of Export ExperienceSelf-brandedPatents Awarded

ZHUHAI STROM ELECTRIC CO., LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 24 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤8.47h

AI-Powered supplier vetting

SummaryZhuhai STROM Electric Co., Ltd. is a national high-tech enterprise established in 2002, specializing in intelligent power distribution and transformation automation products, including protection relays and power meters. Its stated capabilities include R&D, manufacturing, software development, OEM/ODM services, SDK availability, and broad customization. The supplier reports nearly 100 personnel, 50 R&D engineers, five production lines, 11–20 quality-control staff, quality traceability, documented complaint handling, and documented supplier corrective-action procedures. It exports to multiple regions and has 24 years of export experience, with stated lead times of within 15 working days in several conditions and one month during peak season in another record. National certification is explicitly stated for certain product series, but specific certification names are not provided. Financial records are indicated for 2023–2025, but no financial performance details are available. Evidence of customer cases is...

Supplier typeThe supplier is identified as Zhuhai STROM Electric Co., Ltd., a manufacturer and developer of intelligent power distribution and transformation automation products. Its stated business scope covers manufacturing, sales, software development, information-technology consulting, and technical services, indicating an integrated industrial technology supplier rather than a trading-only company.

CertificationsCertain STROM protection devices, self-powered units, and distribution terminals are explicitly described as nationally certified. However, the specific certification standards, certificates, and coverage of the full product range are not provided.

After-Sales capabilityThe supplier reports clear, documented procedures and followed records for customer complaint handling and corrective and preventive actions, along with quality assurance and raw-material traceability. Its stated technical services, consultation, and development activities further support service capability, although detailed after-sales response coverage is not specified.

R&D capabilitySTROM reports nearly 100 personnel including professor-level engineers and PhDs, 50 R&D engineers, five invention patents, 66 utility models, six appearance patents, and 44 software copyrights. It also reports new products within the past year, ODM capability, an available SDK, software development, and multiple advanced product series, providing explicit evidence of substantial innovation resources and activity.

Production capacityThe supplier states that it manufactures power distribution and power equipment, operates five production lines, and has 11–20 quality-control staff. Documented finished-product inspection, quality assurance, and raw-material traceability are reported; stated delivery information includes within 15 working days in off-peak conditions and one month during peak season in one record.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports OEM and ODM services, indicating capability to support both customer-specified products and original design manufacturing.